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good afternoon everyone this is the

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pre-launch news conference for

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osiris-rex

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scheduled to be launched on

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thursday at 7 05 p.m aboard a united

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launch alliance atlas v rocket

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and here to discuss the upcoming mission

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the countdown the launch and the

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spacecraft

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we have joining us jeffrey yoder the

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acting associate administrator from the

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nasa science mission directorate in

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dante loretta the principal investigator

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tim dunn the nasa launch director from

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the launch services program at the

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scott messer the program manager for

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nasa missions from the united launch

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alliance in centennial colorado

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michael donnelly the nasa osiris-rex

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project manager for nasa's goddard space

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rich coons the osiris-rex program

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manager from lockheed martin space

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and clay flynn the launch weather

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officer from the 45th weather squadron

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from cape canaveral air force station

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and we'll begin first with jeff yoder

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jeff thank you

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well good afternoon it's my pleasure to

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welcome you to the launch of nasa's

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first mission to go out touch a near

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earth asteroid venue and bring a sample

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back to us

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for the nasa science mission directorate

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uh its mission is to innovate explore

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discover and inspire

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with over a hundred missions our diverse

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portfolio gives us the opportunity to

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accomplish that mission in many ways not

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just to the scientific community but to

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the world at large

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in fact nasa's science is interconnected

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with our

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astrophysics

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earth science heliophysics and of course

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planetary science will bring part will

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be part of this unique mission that

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you'll hear about more today

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one year ago the new horizons mission

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wowed us as a flew by pluto

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last july

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our juno mission entered the jupiter's

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orbit and is now bringing back amazing

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amazing photos and will continue over

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the next year and a half to produce uh

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amazing a great science

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well nasa science is the greatest engine

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of scientific discovery in the planet

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today and you will hear more about one

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of the engine's

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vital mechanisms

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so george

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thank you jeff

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now today loretta who's the principal

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investigator for osiris-rex from the

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university of arizona dante thank you

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george and thanks everybody for being

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here this is a great milestone for this

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team

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for many of us including myself it's

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something that's been over a decade in

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the works i'm going to tell you about

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our science objectives today and what

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we're going to achieve with this amazing

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mission to asteroid bennu and back if i

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could have my video please

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the mission name is an awesome acronym

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that describes our primary science

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objectives and as i like to say it's

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also my fault so if you let

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the first letter in the acronym is the o

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this is for our origins investigation

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and this really is what drives our

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program we're going to asteroid bennu

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because it's a time capsule from the

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earliest stages of solar system

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formation back when our planetary system

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was spread across as dust grains in a

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swirling cloud around our growing

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protostar inside this region of the

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protoplanetary disk there were bodies

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that were accumulating many of them were

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getting water ice and organic material

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key compounds that we believe may have

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led to the habitability of our planet

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and even to the origin of life on earth

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these are really critical because our

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earth went through a major period of

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geologic upheaval during the late heavy

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bombardment where millions of asteroids

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collided with the surface sterilizing

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our planet

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we're following on the heels of

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successful nasa missions like stardust

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and fla in fact as you'll hear our

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return capsule is using the same

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technology that the stardust mission did

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to bring those amazing materials back

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and sample return is really at the

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forefront of planetary exploration not

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only are we going to get this material

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into our laboratories for precise

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chemical analyses that can't be

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duplicated by spacecraft instruments but

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this is going to be a treasure trove of

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information and material for scientists

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yet to come we're talking about

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analyzing compounds that are present in

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these materials in some cases at the

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parts per million level we have to get

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these samples into our laboratories to

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investigate these driving questions for

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osiris-rex and i'm very excited to be

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able to lead this mission

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the next part of our acronym is the

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spectral interpretation

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and we've had the benefit of studying

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our target asteroid bennu using some of

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the best telescopes on earth and in

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space including the hubble space

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telescope spitzer space telescope

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telescopes in tucson hawaii chile canary

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islands all over our planet and we have

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a pretty good data set and we think we

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know a lot about what this asteroid is

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made out of but we're also bringing

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fantastic science instruments with us

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like the ovirs visible and infrared

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spectrometer from the goddard space

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flight center

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and the otess thermal emission

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spectrometer from our partners at

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arizona state university we're going to

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use these instruments along with our

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camera systems from arizona university

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of arizona and our laser altimeter from

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the canadian space agency to ground

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truth that information and ultimately

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map the surface of the asteroid for the

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key organic compounds so that we can

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pick the best spot on the surface of the

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asteroid to get those samples

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and that leads into our next

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investigation which we call the resource

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identification

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when i first came up with that term i

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thought i was thinking really futuristic

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sci-fi that we're going to go out to

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asteroids and use these materials to

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further space exploration and now we see

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that that may be happening in the near

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future we're going to pioneer the

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technologies and the capabilities that

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to send a spacecraft out to asteroid

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bennu and perform detailed global

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mapping of the entire surface to

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understand its composition and its

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mineralogy ultimately focusing in on

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regions of interest where we're going to

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get super high resolution shots of the

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surface to understand that material

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the next part of our investigation is

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about the security aspect by virtue of

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our mission design we're going to an

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asteroid with an orbit very similar to

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earth we want to know what its

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trajectory is going to be in the future

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in case it represents a potential hazard

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we're going to study a phenomenon known

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as the yarkovsky effect which is

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essentially the absorption of energy

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from sun emission of that energy back

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out as heat and that causes a small

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thrust on the asteroid changing its

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trajectory over time since we've been

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monitoring asteroid bennu uh beginning

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in 1999 we've seen it's changed its

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position to the yarkovsky effect alone

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by over 160 kilometers so we really want

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to understand this phenomena so that we

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can better understand asteroid bennu and

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apply that understanding to all

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asteroids not only in near earth space

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but throughout our solar system

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and then finally we are a regolith

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explorer regolith is what we call the

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loose blanket of gravel and dust on the

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surface of these airless bodies and the

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ultimate objective is to bring those

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back into our labs for analysis but we

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also want to understand how that

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material behaves in a microgravity

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environment you got to remember bennu is

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only 500 meters across like the size of

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a small mountain in outer space and we

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don't really understand granular

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mechanics in that kind of microgravity

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environment so by the act of putting our

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tag sam device onto the surface of the

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asteroid to collect the sample in and of

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itself we're performing a fantastic

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science experiment

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so we've got great science ahead of us

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i'm really excited to get to this

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milestone to get osiris-rex launched on

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its journey to bennu and back

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back to georgia thank you geronte

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now to tim dunn the nasa launch director

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from the kennedy space center launch

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services program tim talk to us about

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the countdown

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thank you george

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i'm proud to be here today representing

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the women and men of nasa's launch

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services program and i'm thrilled to be

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the launch director for osiris-rex

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this exotic and highly complex cutting

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edge science mission brings added

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excitement to our entire launch team

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working alongside our united launch

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alliance colleagues the engineers and

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analysts of nasa lsp take great pride in

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launching osiris-rex

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nasa has a terrific record flying on the

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atlas v

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we've successfully launched 12 missions

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on this rocket

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missions to pluto jupiter

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the moon the sun

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the radiation belts

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three spacecraft to mars

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and now the asteroid bennu

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osiris-rex will be the 13th nasa mission

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on atlas v and the 65th atlas v launch

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overall

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osiris-rex will launch on an atlas v 411

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from space launch complex 41.

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slick 41 is proud to have hosted 53

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atlas 5 launches to date

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now i'd like to show a video of the ula

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crew receiving and assembling the atlas

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5 launch vehicle and mating the

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osiris-rex spacecraft at complex 41.

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here you see in july we received the

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second stage the centaur

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from decatur alabama it came by way of

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trailer

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the first stage

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came next and it was came on the mariner

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ship

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these atlas five stages are manufactured

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in ula's state of the art factory in

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decatur alabama

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they're transported to cape canaveral

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via the ship and sometimes over the road

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as required

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the offload of the first stage took it

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to the asoc where it underwent

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processing there

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and then out to the pad

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earlier in august

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here you see the

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stacked centaur the second stage in an

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off-site vertical integration

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configuration with the boat tail and the

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interstage assembly and it's being

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raised and mated to the top of the first

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the 411 configuration of atlas 5 has one

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solid rocket motor and here you see a

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sequence of that aerojet rocketdyne

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solid rocket booster being mated at the

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00:10:54,790 --> 00:10:51,600
vif

282
00:10:57,030 --> 00:10:54,800
to the north side of the atlas v

283
00:10:58,470 --> 00:10:57,040
and on the early morning hours

284
00:11:00,949 --> 00:10:58,480
of the 29th

285
00:11:03,990 --> 00:11:00,959
of august we rolled out this beauty the

286
00:11:06,389 --> 00:11:04,000
encapsulated assembly with osiris-rex

287
00:11:09,590 --> 00:11:06,399
inside the payload fairing

288
00:11:11,269 --> 00:11:09,600
we found a little moment in time where

289
00:11:13,430 --> 00:11:11,279
the weather cooperated and we were able

290
00:11:15,430 --> 00:11:13,440
to successfully lift

291
00:11:17,350 --> 00:11:15,440
in the midst of a lot of bad weather as

292
00:11:19,430 --> 00:11:17,360
you can see here the storm clouds were

293
00:11:21,269 --> 00:11:19,440
brewing that day but we had a very

294
00:11:23,269 --> 00:11:21,279
smooth day and were able to successfully

295
00:11:26,630 --> 00:11:23,279
mate that encapsulated assembly at the

296
00:11:30,150 --> 00:11:28,870
the osiris-rex launch campaign has gone

297
00:11:32,069 --> 00:11:30,160
very well

298
00:11:35,110 --> 00:11:32,079
over the past eight days since

299
00:11:36,389 --> 00:11:35,120
osiris-rex spacecraft mate the atlas 5

300
00:11:37,829 --> 00:11:36,399
team has been busy with launch

301
00:11:39,910 --> 00:11:37,839
preparations

302
00:11:41,269 --> 00:11:39,920
last wednesday we performed the final

303
00:11:43,269 --> 00:11:41,279
integrated systems test with the

304
00:11:46,230 --> 00:11:43,279
spacecraft and rocket

305
00:11:47,910 --> 00:11:46,240
then last thursday the combined nasa and

306
00:11:50,069 --> 00:11:47,920
ula launch team held the flight

307
00:11:52,150 --> 00:11:50,079
readiness review where we assessed all

308
00:11:53,829 --> 00:11:52,160
processing and pre-launch preparations

309
00:11:56,069 --> 00:11:53,839
for this mission

310
00:11:58,310 --> 00:11:56,079
last friday we performed a successful

311
00:12:00,870 --> 00:11:58,320
mission dress rehearsal to exercise and

312
00:12:01,990 --> 00:12:00,880
prepare the entire ula

313
00:12:04,470 --> 00:12:02,000
nasa

314
00:12:06,230 --> 00:12:04,480
lockheed martin and air force atlas v

315
00:12:07,910 --> 00:12:06,240
launch team

316
00:12:09,190 --> 00:12:07,920
just this morning we conducted the

317
00:12:10,949 --> 00:12:09,200
launch readiness review for the

318
00:12:13,509 --> 00:12:10,959
osiris-rex mission

319
00:12:14,949 --> 00:12:13,519
senior managers from nasa ksc

320
00:12:17,750 --> 00:12:14,959
goddard space flight center and

321
00:12:20,069 --> 00:12:17,760
headquarters as well as ulf and the air

322
00:12:21,910 --> 00:12:20,079
force assess the readiness of the rocket

323
00:12:24,949 --> 00:12:21,920
the spacecraft and range assets to

324
00:12:27,670 --> 00:12:24,959
proceed with launch on thursday evening

325
00:12:30,069 --> 00:12:27,680
tomorrow we will begin our final launch

326
00:12:32,710 --> 00:12:30,079
preparations at approximately nine a.m

327
00:12:35,190 --> 00:12:32,720
eastern time by rolling the atlas v on

328
00:12:37,509 --> 00:12:35,200
its mobile launch platform approximately

329
00:12:39,509 --> 00:12:37,519
one-quarter mile north from the vif the

330
00:12:43,030 --> 00:12:39,519
vertical integration facility to the

331
00:12:45,430 --> 00:12:43,040
launch pad at slick 41.

332
00:12:47,910 --> 00:12:45,440
on thursday the launch crew will begin

333
00:12:49,269 --> 00:12:47,920
arriving on console mid-day

334
00:12:51,350 --> 00:12:49,279
the crew will perform the final

335
00:12:53,430 --> 00:12:51,360
preparations of atlas v power on and

336
00:12:54,790 --> 00:12:53,440
electrical checks beginning at noon

337
00:12:57,990 --> 00:12:54,800
eastern time

338
00:12:59,990 --> 00:12:58,000
this will be followed just before 5 pm

339
00:13:01,910 --> 00:13:00,000
by loading the super cold cryogenic

340
00:13:04,150 --> 00:13:01,920
propellants on board

341
00:13:06,069 --> 00:13:04,160
first liquid oxygen into the tanks of

342
00:13:07,190 --> 00:13:06,079
the first stage booster and second stage

343
00:13:09,190 --> 00:13:07,200
centaur

344
00:13:10,790 --> 00:13:09,200
then liquid hydrogen into the second

345
00:13:12,230 --> 00:13:10,800
stage

346
00:13:14,470 --> 00:13:12,240
final flight control tests will be

347
00:13:16,470 --> 00:13:14,480
performed along with final tests with

348
00:13:18,069 --> 00:13:16,480
eastern range instrumentation

349
00:13:22,150 --> 00:13:18,079
and then we will be ready for launch

350
00:13:26,310 --> 00:13:22,160
thursday evening at 7 05 pm eastern time

351
00:13:29,110 --> 00:13:26,320
with a 115 minute launch window

352
00:13:31,509 --> 00:13:29,120
in summary the atlas v rocket and range

353
00:13:34,150 --> 00:13:31,519
equipment are ready and the combined

354
00:13:36,310 --> 00:13:34,160
government and contractor launch team is

355
00:13:38,470 --> 00:13:36,320
prepared to launch this fantastic

356
00:13:40,710 --> 00:13:38,480
asteroid sample retrieval mission

357
00:13:43,110 --> 00:13:40,720
osiris-rex

358
00:13:45,189 --> 00:13:43,120
back to you george thank you tim

359
00:13:47,110 --> 00:13:45,199
and now to scott messer the program

360
00:13:50,389 --> 00:13:47,120
manager for nasa missions from the

361
00:13:51,990 --> 00:13:50,399
united launch alliance scott

362
00:13:53,750 --> 00:13:52,000
thank you george

363
00:13:55,910 --> 00:13:53,760
on behalf of united launch alliance i

364
00:13:57,829 --> 00:13:55,920
just wanted to note that we are honored

365
00:14:00,310 --> 00:13:57,839
to be here on day one

366
00:14:03,030 --> 00:14:00,320
of the osiris-rex or one day before

367
00:14:05,590 --> 00:14:03,040
launch of the osiris-rex mission

368
00:14:07,670 --> 00:14:05,600
this is a very exciting mission for us

369
00:14:10,150 --> 00:14:07,680
and and for me

370
00:14:12,710 --> 00:14:10,160
personally and i i get really

371
00:14:15,269 --> 00:14:12,720
enthusiastic every time i come down and

372
00:14:17,910 --> 00:14:15,279
learn more about this mission

373
00:14:20,550 --> 00:14:17,920
osiris-rex will be the eighth launch for

374
00:14:24,550 --> 00:14:20,560
ula in 2016

375
00:14:27,829 --> 00:14:24,560
and uh the 111th launch of ula since its

376
00:14:29,350 --> 00:14:27,839
formation in december of 2016.

377
00:14:31,430 --> 00:14:29,360
he'll also be

378
00:14:34,150 --> 00:14:31,440
the fourth launch of this particular

379
00:14:36,710 --> 00:14:34,160
configuration the 411.

380
00:14:37,829 --> 00:14:36,720
the 411 configuration includes a four

381
00:14:39,430 --> 00:14:37,839
meter

382
00:14:40,870 --> 00:14:39,440
payload fairing which houses the

383
00:14:44,150 --> 00:14:40,880
spacecraft

384
00:14:47,030 --> 00:14:44,160
it's got a single solid rocket booster

385
00:14:49,829 --> 00:14:47,040
and the first stage is powered by the

386
00:14:51,750 --> 00:14:49,839
rd-180 built by rd amros

387
00:14:54,550 --> 00:14:51,760
and this the centaur

388
00:14:57,509 --> 00:14:54,560
upper stage is powered by the rocketdyne

389
00:15:00,230 --> 00:14:57,519
aerojet rocketdyne rl10a engine

390
00:15:02,870 --> 00:15:00,240
and i've got a short animated video that

391
00:15:04,069 --> 00:15:02,880
will show the events that we expect to

392
00:15:09,910 --> 00:15:04,079
occur

393
00:15:13,910 --> 00:15:11,829
the following profile details the

394
00:15:15,990 --> 00:15:13,920
important events of this mission using

395
00:15:17,030 --> 00:15:16,000
approximate times

396
00:15:18,069 --> 00:15:17,040
six

397
00:15:19,110 --> 00:15:18,079
five

398
00:15:20,310 --> 00:15:19,120
four

399
00:15:22,629 --> 00:15:20,320
three

400
00:15:23,430 --> 00:15:22,639
two atlas engine ignition

401
00:15:28,629 --> 00:15:23,440
one

402
00:15:31,670 --> 00:15:28,639
zero and liftoff of the atlas 5 rocket

403
00:15:33,910 --> 00:15:31,680
the atlas 5 rd-180 main engine and a

404
00:15:37,910 --> 00:15:33,920
single solid rocket booster ignite to

405
00:15:42,550 --> 00:15:40,069
shortly after liftoff atlas begins its

406
00:15:44,870 --> 00:15:42,560
initial pitch yaw and roll maneuvers to

407
00:15:47,910 --> 00:15:44,880
attain the proper ascent profile and

408
00:15:50,550 --> 00:15:47,920
minimize aerodynamic loads

409
00:15:53,110 --> 00:15:50,560
the atlas 5 reaches mach 1 the speed of

410
00:15:55,829 --> 00:15:53,120
sound at 57 seconds

411
00:15:58,150 --> 00:15:55,839
at 69 seconds the vehicle experiences

412
00:16:00,150 --> 00:15:58,160
maximum dynamic pressure

413
00:16:02,949 --> 00:16:00,160
the solid rocket booster is jettisoned

414
00:16:05,110 --> 00:16:02,959
in less than two and a half minutes

415
00:16:07,110 --> 00:16:05,120
as it approaches booster engine cut off

416
00:16:08,590 --> 00:16:07,120
the atlas v is burning propellant at the

417
00:16:11,990 --> 00:16:08,600
rate of 1

418
00:16:15,430 --> 00:16:12,000
672 pounds per second traveling at over

419
00:16:18,949 --> 00:16:15,440
12 000 miles per hour and located 62

420
00:16:22,790 --> 00:16:18,959
miles in altitude and 188 miles

421
00:16:28,550 --> 00:16:24,949
booster engine cutoff occurs about four

422
00:16:33,269 --> 00:16:30,550
the booster stage is jettisoned six

423
00:16:35,189 --> 00:16:33,279
seconds later

424
00:16:37,350 --> 00:16:35,199
the first centaur main engine start

425
00:16:40,870 --> 00:16:37,360
takes place 10 seconds after booster

426
00:16:44,949 --> 00:16:43,110
the payload fairing is jettisoned about

427
00:16:47,350 --> 00:16:44,959
eight seconds later

428
00:16:49,189 --> 00:16:47,360
the vehicle now weighs just six percent

429
00:16:53,269 --> 00:16:49,199
of what it did at liftoff four and a

430
00:16:57,990 --> 00:16:55,110
cut off of the centaur main engine

431
00:17:00,790 --> 00:16:58,000
occurs just over 12 minutes after launch

432
00:17:02,790 --> 00:17:00,800
the mission now enters a 21 minute coast

433
00:17:05,590 --> 00:17:02,800
phase

434
00:17:08,150 --> 00:17:05,600
at 33 minutes 48 seconds the centaur

435
00:17:13,189 --> 00:17:08,160
main engine is restarted

436
00:17:18,069 --> 00:17:15,429
following the second centaur main engine

437
00:17:20,949 --> 00:17:18,079
cutoff at 40 minutes 38 seconds the

438
00:17:23,750 --> 00:17:20,959
mission enters a final 15-minute coast

439
00:17:29,909 --> 00:17:26,870
at 55 minutes 37 seconds centaur

440
00:17:32,390 --> 00:17:29,919
releases nasa's osiris-rex on its way to

441
00:17:40,150 --> 00:17:32,400
its rendezvous with the asteroid

442
00:17:45,590 --> 00:17:43,270
so as as noted in the video the the

443
00:17:47,590 --> 00:17:45,600
timelines

444
00:17:50,070 --> 00:17:47,600
discussed there are

445
00:17:51,990 --> 00:17:50,080
approximate each day we do have a two

446
00:17:55,750 --> 00:17:52,000
hour launch window or

447
00:17:58,549 --> 00:17:55,760
as tim mentioned 115 minutes each day

448
00:18:00,870 --> 00:17:58,559
and with inside that we've got a launch

449
00:18:02,549 --> 00:18:00,880
attempt every five minutes

450
00:18:04,789 --> 00:18:02,559
so

451
00:18:07,110 --> 00:18:04,799
times can vary depending upon where we

452
00:18:08,789 --> 00:18:07,120
launched the timelines that were

453
00:18:11,110 --> 00:18:08,799
presented in the video

454
00:18:13,430 --> 00:18:11,120
are for a launch at the middle of the

455
00:18:15,750 --> 00:18:13,440
window so if we launch

456
00:18:17,830 --> 00:18:15,760
on thursday night when i hope we do

457
00:18:19,430 --> 00:18:17,840
which will be at the start of the window

458
00:18:22,150 --> 00:18:19,440
some of those timelines will be a little

459
00:18:23,430 --> 00:18:22,160
bit longer so for example spacecraft

460
00:18:25,510 --> 00:18:23,440
separation

461
00:18:27,750 --> 00:18:25,520
would occur about three and a half

462
00:18:30,150 --> 00:18:27,760
minutes after what was noted in that

463
00:18:34,710 --> 00:18:30,160
video it's just if anybody was writing

464
00:18:40,630 --> 00:18:37,750
as i noted we are proud to uh to deliver

465
00:18:43,029 --> 00:18:40,640
the osiris-rex spacecraft to its orbit

466
00:18:45,990 --> 00:18:43,039
we recognize that this is a risky and

467
00:18:49,110 --> 00:18:46,000
technically challenging business and

468
00:18:52,390 --> 00:18:49,120
so we are can we'll continue to deliver

469
00:18:53,990 --> 00:18:52,400
with uh our reliable processes

470
00:18:56,070 --> 00:18:54,000
deliver the nation's most important

471
00:18:58,950 --> 00:18:56,080
payloads and critical capabilities to

472
00:19:01,029 --> 00:18:58,960
orbit and just once again thank you to

473
00:19:03,909 --> 00:19:01,039
all of our mission partners the entire

474
00:19:05,190 --> 00:19:03,919
ula team looks forward to a successful

475
00:19:08,230 --> 00:19:05,200
launch of

476
00:19:10,789 --> 00:19:08,240
osiris-rex on thursday night and

477
00:19:13,190 --> 00:19:10,799
so with that i'll do a go atlas go

478
00:19:16,230 --> 00:19:13,200
centaur and go osiris-rex

479
00:19:18,070 --> 00:19:16,240
back to you george thank you scott

480
00:19:20,710 --> 00:19:18,080
we'll go now to michael donnelly who's

481
00:19:23,029 --> 00:19:20,720
the nasa osiris-rex project manager from

482
00:19:25,510 --> 00:19:23,039
nasa's goddard space flight center

483
00:19:27,430 --> 00:19:25,520
michael okay so like everybody else i'm

484
00:19:28,390 --> 00:19:27,440
happy to be here i'm happy to be

485
00:19:30,230 --> 00:19:28,400
launching

486
00:19:32,150 --> 00:19:30,240
on thursday so

487
00:19:35,190 --> 00:19:32,160
picking up where the

488
00:19:38,150 --> 00:19:35,200
ula video ended if you could start the

489
00:19:40,549 --> 00:19:38,160
first video for me

490
00:19:42,070 --> 00:19:40,559
59 minutes and this is with the opening

491
00:19:44,390 --> 00:19:42,080
of the launch window on the very first

492
00:19:45,909 --> 00:19:44,400
day the spacecraft separates from the

493
00:19:47,270 --> 00:19:45,919
launch vehicle

494
00:19:49,350 --> 00:19:47,280
about

495
00:19:51,909 --> 00:19:49,360
four minutes in the solar rays will

496
00:19:53,190 --> 00:19:51,919
deploy after the rates have been damped

497
00:19:54,310 --> 00:19:53,200
there's another

498
00:19:57,029 --> 00:19:54,320
i don't know

499
00:19:59,590 --> 00:19:57,039
13 minutes or so while we slew the

500
00:20:01,590 --> 00:19:59,600
spacecraft to a favorable communications

501
00:20:03,909 --> 00:20:01,600
attitude for canberra and we will

502
00:20:06,549 --> 00:20:03,919
establish two-way communication so 17

503
00:20:08,230 --> 00:20:06,559
minutes after separation we should have

504
00:20:10,470 --> 00:20:08,240
stable communications between the

505
00:20:13,110 --> 00:20:10,480
spacecraft and canberra and be able to

506
00:20:15,430 --> 00:20:13,120
determine that the spacecraft is safe

507
00:20:17,270 --> 00:20:15,440
14 days after launch we will turn on the

508
00:20:19,669 --> 00:20:17,280
instruments and check them out and then

509
00:20:21,430 --> 00:20:19,679
we'll turn them back off about one year

510
00:20:23,270 --> 00:20:21,440
after launch after going around the sun

511
00:20:24,870 --> 00:20:23,280
once we'll do an earth gravity assist

512
00:20:27,510 --> 00:20:24,880
and change the orbit plane of the

513
00:20:31,190 --> 00:20:27,520
spacecraft put it in the same plane as

514
00:20:33,430 --> 00:20:31,200
the asteroid bennu and then just shy of

515
00:20:36,390 --> 00:20:33,440
two years after launch we'll actually

516
00:20:37,830 --> 00:20:36,400
get to bennu in august of 2018. start

517
00:20:40,310 --> 00:20:37,840
all of our measurements all of our

518
00:20:43,669 --> 00:20:40,320
observations and pick a site so that we

519
00:20:46,230 --> 00:20:43,679
can safely tag in july of 2020.

520
00:20:47,830 --> 00:20:46,240
if we can go to the next video please

521
00:20:50,230 --> 00:20:47,840
this is the instrument suite that will

522
00:20:51,830 --> 00:20:50,240
support all those observations from the

523
00:20:54,470 --> 00:20:51,840
pis facility

524
00:20:56,390 --> 00:20:54,480
we have the osiris-rex camera suite

525
00:20:59,029 --> 00:20:56,400
that's a suite of three

526
00:21:01,430 --> 00:20:59,039
visible cameras the polycam

527
00:21:03,750 --> 00:21:01,440
map cam and sam cam

528
00:21:05,909 --> 00:21:03,760
from arizona state university we get one

529
00:21:07,590 --> 00:21:05,919
of our two spectrometers that would be

530
00:21:08,950 --> 00:21:07,600
the osiris-rex thermal emission

531
00:21:11,430 --> 00:21:08,960
spectrometer

532
00:21:13,270 --> 00:21:11,440
and from our well from goddard space

533
00:21:14,830 --> 00:21:13,280
flight center we get the second

534
00:21:16,789 --> 00:21:14,840
spectrometer the

535
00:21:19,510 --> 00:21:16,799
osiris-rex visible and infrared

536
00:21:21,590 --> 00:21:19,520
spectrometer ovirs between those two

537
00:21:25,270 --> 00:21:21,600
spectrometers we cover the wavelengths

538
00:21:27,590 --> 00:21:25,280
of 0.4 microns out to 50 microns

539
00:21:29,350 --> 00:21:27,600
from our canadian partners csa and their

540
00:21:32,070 --> 00:21:29,360
contractor mcdonald detwiler and

541
00:21:34,149 --> 00:21:32,080
associates we get the osiris-rex laser

542
00:21:36,950 --> 00:21:34,159
altimeter which will be used for mapping

543
00:21:39,909 --> 00:21:36,960
the asteroid and lastly from a team of

544
00:21:42,149 --> 00:21:39,919
students from mit and harvard we get our

545
00:21:43,990 --> 00:21:42,159
student collaboration instrument which

546
00:21:45,350 --> 00:21:44,000
is the regolith x-ray imaging

547
00:21:47,590 --> 00:21:45,360
spectrometer

548
00:21:49,750 --> 00:21:47,600
and so these five instruments make up

549
00:21:50,950 --> 00:21:49,760
that suite of instruments that will be

550
00:21:53,110 --> 00:21:50,960
used to

551
00:21:54,870 --> 00:21:53,120
pick out the sample site do all those

552
00:21:57,029 --> 00:21:54,880
that exciting science that dante

553
00:21:59,909 --> 00:21:57,039
mentioned that made up his acronym

554
00:22:03,270 --> 00:21:59,919
and you know help us bring a sample back

555
00:22:06,230 --> 00:22:03,280
in september of 2023 right yeah

556
00:22:08,870 --> 00:22:06,240
september 24th 2023. there's way too

557
00:22:11,669 --> 00:22:08,880
many septembers in this mission so all

558
00:22:14,390 --> 00:22:11,679
right george all right thank you michael

559
00:22:16,310 --> 00:22:14,400
now to rich coons he's the osiris-rex

560
00:22:18,789 --> 00:22:16,320
program manager from lockheed martin

561
00:22:20,390 --> 00:22:18,799
space systems rich

562
00:22:22,789 --> 00:22:20,400
hi if we could actually start the first

563
00:22:24,390 --> 00:22:22,799
video so there's one additional payload

564
00:22:26,149 --> 00:22:24,400
on the

565
00:22:28,470 --> 00:22:26,159
osiris-rex spacecraft and that's

566
00:22:30,789 --> 00:22:28,480
actually the tag sam arm

567
00:22:32,310 --> 00:22:30,799
so the tag sam arm starts with the

568
00:22:35,190 --> 00:22:32,320
sample head and that's what will

569
00:22:36,789 --> 00:22:35,200
actually go and collect the sample from

570
00:22:39,029 --> 00:22:36,799
bennu

571
00:22:40,789 --> 00:22:39,039
it's about 12 inches in diameter and

572
00:22:42,310 --> 00:22:40,799
we've been testing it now for for

573
00:22:44,230 --> 00:22:42,320
several years

574
00:22:46,710 --> 00:22:44,240
that's connected to an arm that's about

575
00:22:48,870 --> 00:22:46,720
10 feet long that contains a pogo

576
00:22:50,710 --> 00:22:48,880
assembly so that we can stay in contact

577
00:22:52,830 --> 00:22:50,720
with the asteroid for the three seconds

578
00:22:56,390 --> 00:22:52,840
that will take for us to collect our

579
00:22:58,870 --> 00:22:56,400
sample when we sense that contact the

580
00:23:00,470 --> 00:22:58,880
compressed gas will be released

581
00:23:02,070 --> 00:23:00,480
and then we'll actually collect that

582
00:23:04,549 --> 00:23:02,080
sample in the head

583
00:23:07,590 --> 00:23:04,559
as a function of releasing that gas

584
00:23:08,470 --> 00:23:07,600
we've tested this arm extensively over

585
00:23:11,270 --> 00:23:08,480
the last

586
00:23:13,110 --> 00:23:11,280
decade to make sure that we can collect

587
00:23:15,110 --> 00:23:13,120
more than enough sample

588
00:23:17,590 --> 00:23:15,120
in the environment that we expect to see

589
00:23:19,350 --> 00:23:17,600
in space so we've exposed it to vacuum

590
00:23:22,549 --> 00:23:19,360
we've exposed it to temperature we've

591
00:23:24,549 --> 00:23:22,559
tested it both pre and post vibration

592
00:23:28,470 --> 00:23:24,559
and we've tested it over a very wide

593
00:23:35,029 --> 00:23:32,789
if we can start the next video

594
00:23:37,270 --> 00:23:35,039
now how are we actually going to use

595
00:23:38,549 --> 00:23:37,280
that head so

596
00:23:41,190 --> 00:23:38,559
the first thing we have to do is we

597
00:23:43,110 --> 00:23:41,200
launch with the arm stowed in in its

598
00:23:45,190 --> 00:23:43,120
configuration so release the head and

599
00:23:46,630 --> 00:23:45,200
then deploy the arm getting it all the

600
00:23:48,470 --> 00:23:46,640
way out

601
00:23:49,590 --> 00:23:48,480
we get to practice doing the tag

602
00:23:50,630 --> 00:23:49,600
maneuver

603
00:23:52,870 --> 00:23:50,640
as we

604
00:23:54,549 --> 00:23:52,880
get closer to collecting the sample

605
00:23:56,149 --> 00:23:54,559
which is shown here

606
00:23:58,549 --> 00:23:56,159
once we detect

607
00:24:00,549 --> 00:23:58,559
the contact we'll release the gas

608
00:24:03,029 --> 00:24:00,559
when we release that gas it actually

609
00:24:05,029 --> 00:24:03,039
will mobilize the material and collect

610
00:24:06,549 --> 00:24:05,039
it in the head

611
00:24:09,909 --> 00:24:06,559
once we've done the collection we

612
00:24:11,909 --> 00:24:09,919
actually go up and do a spin maneuver

613
00:24:14,230 --> 00:24:11,919
where we're able to tell how much

614
00:24:17,990 --> 00:24:14,240
material we have to within

615
00:24:20,149 --> 00:24:18,000
20 to 40 grams of material

616
00:24:21,750 --> 00:24:20,159
once we know we have enough material we

617
00:24:24,630 --> 00:24:21,760
stow the head

618
00:24:26,870 --> 00:24:24,640
and close it into the src

619
00:24:29,269 --> 00:24:26,880
it is the same src that successfully

620
00:24:32,310 --> 00:24:29,279
returned the stardust samples

621
00:24:33,590 --> 00:24:32,320
so it'll return back to

622
00:24:35,909 --> 00:24:33,600
utah

623
00:24:37,830 --> 00:24:35,919
in 2023

624
00:24:40,549 --> 00:24:37,840
when it reenters the environment it's

625
00:24:42,390 --> 00:24:40,559
traveling 27 000 miles an hour and by

626
00:24:44,470 --> 00:24:42,400
the time it gently touches down it's

627
00:24:47,990 --> 00:24:44,480
moving less than 10

628
00:24:49,510 --> 00:24:48,000
and we'll move it from

629
00:24:51,669 --> 00:24:49,520
uttr

630
00:24:53,990 --> 00:24:51,679
to johnson space center where it's a

631
00:24:55,750 --> 00:24:54,000
world-class curation facility

632
00:24:59,029 --> 00:24:55,760
and those samples will be

633
00:25:00,789 --> 00:24:59,039
evaluated for many years to come

634
00:25:04,230 --> 00:25:00,799
so in order to get to that point we had

635
00:25:05,909 --> 00:25:04,240
to do a lot once we arrived here at

636
00:25:07,590 --> 00:25:05,919
kennedy space center so if we can play

637
00:25:11,190 --> 00:25:07,600
the third video

638
00:25:12,549 --> 00:25:11,200
um we we traveled on a c-17 aircraft we

639
00:25:14,789 --> 00:25:12,559
arrived here

640
00:25:16,470 --> 00:25:14,799
on may 20th

641
00:25:17,830 --> 00:25:16,480
turns out that there was a thunderstorm

642
00:25:19,190 --> 00:25:17,840
all day they were worried about

643
00:25:20,870 --> 00:25:19,200
diverting us

644
00:25:22,710 --> 00:25:20,880
it cleared up and it was sunny as we

645
00:25:23,750 --> 00:25:22,720
landed we were able to move it into the

646
00:25:25,750 --> 00:25:23,760
high bay

647
00:25:27,190 --> 00:25:25,760
the next day where we took it out of its

648
00:25:29,590 --> 00:25:27,200
shipping container

649
00:25:31,590 --> 00:25:29,600
and lifted it onto its spin balance

650
00:25:33,350 --> 00:25:31,600
table and the first thing we did is made

651
00:25:34,789 --> 00:25:33,360
sure that when we spin the spacecraft

652
00:25:36,470 --> 00:25:34,799
that was balanced the way that we

653
00:25:38,390 --> 00:25:36,480
expected it to be

654
00:25:40,070 --> 00:25:38,400
so that we understood how we would

655
00:25:43,750 --> 00:25:40,080
control it

656
00:25:45,669 --> 00:25:43,760
when it was here after that we had to

657
00:25:48,470 --> 00:25:45,679
remove the solar arrays in order to

658
00:25:50,549 --> 00:25:48,480
finish the processing so this is our pop

659
00:25:52,470 --> 00:25:50,559
and catch is what we call it for the

660
00:25:54,230 --> 00:25:52,480
solar arrays where we actually release

661
00:25:55,669 --> 00:25:54,240
the mechanisms that hold the spacecraft

662
00:25:58,230 --> 00:25:55,679
in make sure they're going to work

663
00:26:01,190 --> 00:25:58,240
flawlessly when we get up on orbit

664
00:26:03,269 --> 00:26:01,200
then move to a rotation fixture to

665
00:26:05,190 --> 00:26:03,279
continue processing a lot of the

666
00:26:07,190 --> 00:26:05,200
processing that we really did here at

667
00:26:09,750 --> 00:26:07,200
the cape was centered around making sure

668
00:26:12,549 --> 00:26:09,760
that we got the blankets on that the

669
00:26:14,390 --> 00:26:12,559
spacecraft was cleaned appropriately and

670
00:26:18,310 --> 00:26:14,400
that everything was still functioning

671
00:26:19,990 --> 00:26:18,320
after we moved it on the 20th of may

672
00:26:22,149 --> 00:26:20,000
the blankets

673
00:26:25,510 --> 00:26:22,159
closeouts went extremely well

674
00:26:27,590 --> 00:26:25,520
the team is at this point in time has

675
00:26:29,830 --> 00:26:27,600
them all closed out because we're on top

676
00:26:31,430 --> 00:26:29,840
of the rocket

677
00:26:32,630 --> 00:26:31,440
and then we had to put the arrays back

678
00:26:36,070 --> 00:26:32,640
on

679
00:26:37,669 --> 00:26:36,080
final time

680
00:26:39,750 --> 00:26:37,679
that was the last time that we were able

681
00:26:42,070 --> 00:26:39,760
to see several of those bays so a lot of

682
00:26:43,830 --> 00:26:42,080
that time is goes into us being very

683
00:26:45,990 --> 00:26:43,840
careful about making sure that those

684
00:26:47,269 --> 00:26:46,000
things that need to stay here with us

685
00:26:48,390 --> 00:26:47,279
are staying here with us and that

686
00:26:51,110 --> 00:26:48,400
everything that has to go with the

687
00:26:54,070 --> 00:26:51,120
spacecraft is going with the spacecraft

688
00:26:56,310 --> 00:26:54,080
um once we were able to confirm that all

689
00:26:58,310 --> 00:26:56,320
of that had happened we were closed up

690
00:27:01,269 --> 00:26:58,320
inside of the fairing

691
00:27:03,750 --> 00:27:01,279
and as tim showed we moved out to be

692
00:27:05,430 --> 00:27:03,760
stacked on top of the rocket

693
00:27:07,190 --> 00:27:05,440
it's certainly been an extremely

694
00:27:09,029 --> 00:27:07,200
exciting time

695
00:27:11,269 --> 00:27:09,039
for everybody here things have gone

696
00:27:12,870 --> 00:27:11,279
exceptionally well our partners have

697
00:27:14,950 --> 00:27:12,880
been very supportive and couldn't be

698
00:27:17,110 --> 00:27:14,960
happier with how well things have gone

699
00:27:19,430 --> 00:27:17,120
to this point

700
00:27:24,310 --> 00:27:19,440
back to you george thank you rich

701
00:27:28,149 --> 00:27:26,389
clay flynn is the launch weather officer

702
00:27:29,190 --> 00:27:28,159
during the countdown who you'll be

703
00:27:31,110 --> 00:27:29,200
hearing

704
00:27:34,070 --> 00:27:31,120
from the 45th weather squadron at cape

705
00:27:35,909 --> 00:27:34,080
canaveral air force station clay thank

706
00:27:37,830 --> 00:27:35,919
you very much george if i could have the

707
00:27:39,190 --> 00:27:37,840
satellite picture up i'd appreciate it

708
00:27:40,310 --> 00:27:39,200
if you look down in south florida you'll

709
00:27:42,230 --> 00:27:40,320
know we have quite a bit of cloudy

710
00:27:44,149 --> 00:27:42,240
conditions some showers and isolated

711
00:27:45,669 --> 00:27:44,159
thunderstorms down south that's

712
00:27:46,870 --> 00:27:45,679
associated with the surface trough that

713
00:27:48,070 --> 00:27:46,880
pushed through our area yesterday you

714
00:27:50,230 --> 00:27:48,080
may recall yesterday we had a few

715
00:27:51,990 --> 00:27:50,240
showers over the area it did push south

716
00:27:53,510 --> 00:27:52,000
it should remain south through through

717
00:27:54,950 --> 00:27:53,520
the next several days it does become a

718
00:27:56,950 --> 00:27:54,960
little more broad

719
00:27:58,870 --> 00:27:56,960
and diffuse as it starts to lose its

720
00:28:00,710 --> 00:27:58,880
characteristics into this weekend but

721
00:28:03,750 --> 00:28:00,720
for the most part the boundary should

722
00:28:05,430 --> 00:28:03,760
remain to our south over central florida

723
00:28:07,029 --> 00:28:05,440
we have high pressure building in

724
00:28:08,310 --> 00:28:07,039
clockwise flow around high pressure

725
00:28:10,710 --> 00:28:08,320
systems so we would expect to have

726
00:28:12,630 --> 00:28:10,720
easterly winds winds blowing from east

727
00:28:14,310 --> 00:28:12,640
to the west not only at the low levels

728
00:28:16,870 --> 00:28:14,320
but also in the mid levels of the

729
00:28:18,310 --> 00:28:16,880
atmosphere when those conditions exist

730
00:28:20,549 --> 00:28:18,320
afternoon and evening thunderstorms

731
00:28:21,750 --> 00:28:20,559
favor the interior of the state so

732
00:28:23,830 --> 00:28:21,760
really

733
00:28:25,830 --> 00:28:23,840
what we'd expect to see for for the

734
00:28:27,830 --> 00:28:25,840
pre-launch operations tomorrow

735
00:28:29,830 --> 00:28:27,840
for the most part during the day and for

736
00:28:31,430 --> 00:28:29,840
the launch account on thursday would

737
00:28:33,510 --> 00:28:31,440
expect the sea breeze to set up mid to

738
00:28:35,590 --> 00:28:33,520
late morning by early afternoon we

739
00:28:37,029 --> 00:28:35,600
should see it over the over the mainland

740
00:28:39,029 --> 00:28:37,039
or nearing the mainland

741
00:28:40,549 --> 00:28:39,039
as the sea breeze sets up we see a small

742
00:28:42,389 --> 00:28:40,559
threat of an isolated shower i don't

743
00:28:44,310 --> 00:28:42,399
think we'll see thunderstorms at that

744
00:28:45,830 --> 00:28:44,320
time of day but should see showers

745
00:28:47,750 --> 00:28:45,840
starting to develop along the sea breeze

746
00:28:49,750 --> 00:28:47,760
and migrating to the west so once we

747
00:28:52,389 --> 00:28:49,760
pick up the count we'd expect to see a

748
00:28:54,310 --> 00:28:52,399
band of clouds to our west with showers

749
00:28:55,909 --> 00:28:54,320
with additional late afternoon heating

750
00:28:57,669 --> 00:28:55,919
showers and thunderstorms developing on

751
00:28:59,110 --> 00:28:57,679
that sea breeze but again the sea breeze

752
00:29:00,149 --> 00:28:59,120
should be to the west and migrating to

753
00:29:02,870 --> 00:29:00,159
the west

754
00:29:04,950 --> 00:29:02,880
as we near sunset uh oftentimes we'll

755
00:29:07,510 --> 00:29:04,960
start to favor clouds coming in off the

756
00:29:09,350 --> 00:29:07,520
water so we'd expect to see

757
00:29:11,110 --> 00:29:09,360
some cumulus clouds coming off the

758
00:29:12,789 --> 00:29:11,120
atlantic and that again is our principal

759
00:29:15,190 --> 00:29:12,799
concern for the attempt on thursday

760
00:29:16,630 --> 00:29:15,200
night so if i could have the forecast

761
00:29:18,070 --> 00:29:16,640
brought up please

762
00:29:20,310 --> 00:29:18,080
what we'd really be looking at is a

763
00:29:22,149 --> 00:29:20,320
scattered deck of clouds at about 3000

764
00:29:24,870 --> 00:29:22,159
feet another scattered deck of high

765
00:29:26,389 --> 00:29:24,880
clouds at about 26 000 feet

766
00:29:28,470 --> 00:29:26,399
good visibility should be about seven

767
00:29:30,230 --> 00:29:28,480
statute miles or greater

768
00:29:32,070 --> 00:29:30,240
our winds out of the east northeast

769
00:29:34,630 --> 00:29:32,080
about zero seven zero gusting to 15

770
00:29:36,950 --> 00:29:34,640
knots well below the liftoff constraints

771
00:29:38,549 --> 00:29:36,960
with a 30 excuse me a 20 chance of

772
00:29:40,230 --> 00:29:38,559
violation for the first attempt on

773
00:29:41,750 --> 00:29:40,240
thursday evening and the principal

774
00:29:43,029 --> 00:29:41,760
concern there would be cumulus clouds

775
00:29:45,029 --> 00:29:43,039
and again that would be with the deep

776
00:29:47,110 --> 00:29:45,039
easterly flow clouds coming in off the

777
00:29:48,950 --> 00:29:47,120
water moving from the east to the west

778
00:29:50,470 --> 00:29:48,960
that's the principal concern so it looks

779
00:29:52,389 --> 00:29:50,480
pretty favorable for the first attempt

780
00:29:54,230 --> 00:29:52,399
thursday evening if i could move on to

781
00:29:55,190 --> 00:29:54,240
the 24 hour delay should we be on the

782
00:29:57,190 --> 00:29:55,200
pad

783
00:29:59,190 --> 00:29:57,200
similar conditions for friday evening

784
00:30:00,389 --> 00:29:59,200
should we should we have a 24-hour delay

785
00:30:01,990 --> 00:30:00,399
with the exception that we do have a few

786
00:30:03,269 --> 00:30:02,000
little perturbations in the flow that

787
00:30:05,350 --> 00:30:03,279
should enhance

788
00:30:07,190 --> 00:30:05,360
the cumulus clouds over the atlantic and

789
00:30:09,350 --> 00:30:07,200
possibly an additional shower or two

790
00:30:11,430 --> 00:30:09,360
coming in off the atlantic and we do

791
00:30:13,590 --> 00:30:11,440
start to moisten up a bit on friday and

792
00:30:15,350 --> 00:30:13,600
saturday so a little greater threat of a

793
00:30:17,669 --> 00:30:15,360
cumulus cloud rule violation a lesser

794
00:30:19,029 --> 00:30:17,679
concern for any type of anvil cloud but

795
00:30:20,470 --> 00:30:19,039
nevertheless there was some anvil cloud

796
00:30:22,470 --> 00:30:20,480
that could possibly form from

797
00:30:24,710 --> 00:30:22,480
thunderstorms up to the north with a

798
00:30:26,149 --> 00:30:24,720
little upper level disturbance so what

799
00:30:27,750 --> 00:30:26,159
we look for on

800
00:30:30,230 --> 00:30:27,760
friday then would just be scattered low

801
00:30:32,630 --> 00:30:30,240
clouds another broken deck now at about

802
00:30:34,230 --> 00:30:32,640
24 000 feet good visibility our winds a

803
00:30:36,710 --> 00:30:34,240
little more easterly still gusting in

804
00:30:38,549 --> 00:30:36,720
the mid teens well below the constraints

805
00:30:41,029 --> 00:30:38,559
and as i mentioned a 30 percent chance

806
00:30:43,110 --> 00:30:41,039
of violation if i could have the 48-hour

807
00:30:45,110 --> 00:30:43,120
delay she would be on the pad and pretty

808
00:30:47,190 --> 00:30:45,120
much a carbon copy on saturday if we're

809
00:30:49,590 --> 00:30:47,200
on the pad similar conditions cumulus

810
00:30:51,750 --> 00:30:49,600
cloud and a small a lesser threat of an

811
00:30:53,430 --> 00:30:51,760
anvil cloud with a 30 chance of

812
00:30:55,430 --> 00:30:53,440
violation winds still well below the

813
00:30:58,310 --> 00:30:55,440
constraints coming off the water with

814
00:30:59,990 --> 00:30:58,320
gusts about 15 knots as we near sunset

815
00:31:01,590 --> 00:31:00,000
that's all i have george thank you all

816
00:31:04,149 --> 00:31:01,600
right thank you clay

817
00:31:06,070 --> 00:31:04,159
and we're ready now to take questions

818
00:31:08,549 --> 00:31:06,080
we'll start first here in the room with

819
00:31:11,509 --> 00:31:08,559
questions then we'll take some questions

820
00:31:14,310 --> 00:31:11,519
from the phone and then we'll go to our

821
00:31:17,110 --> 00:31:14,320
social media which you can ask questions

822
00:31:20,310 --> 00:31:17,120
on social media by hashtag ask nasa

823
00:31:21,830 --> 00:31:20,320
would be before you go to ask a question

824
00:31:23,350 --> 00:31:21,840
so let's start

825
00:31:24,789 --> 00:31:23,360
here in the

826
00:31:32,389 --> 00:31:24,799
in the room first

827
00:31:36,710 --> 00:31:34,389
hi thank you and good luck first of all

828
00:31:38,789 --> 00:31:36,720
uh ken kramer universe today in

829
00:31:41,269 --> 00:31:38,799
northeast astronomy forum my question is

830
00:31:43,350 --> 00:31:41,279
for dante so we we know that comets and

831
00:31:45,430 --> 00:31:43,360
asteroids brought a lot of water your

832
00:31:47,029 --> 00:31:45,440
mission is about organic molecules can

833
00:31:47,830 --> 00:31:47,039
you tell us what we know or don't know

834
00:31:49,669 --> 00:31:47,840
about

835
00:31:50,630 --> 00:31:49,679
the organic molecules that were brought

836
00:31:55,350 --> 00:31:50,640
early

837
00:31:57,350 --> 00:31:55,360
asteroids whether they survived were

838
00:31:59,430 --> 00:31:57,360
they pulverized could they possibly have

839
00:32:01,190 --> 00:31:59,440
contributed at all to the to the

840
00:32:02,870 --> 00:32:01,200
original life here thanks

841
00:32:04,950 --> 00:32:02,880
absolutely one of the leading theories

842
00:32:06,389 --> 00:32:04,960
for the delivery of organic molecules to

843
00:32:08,070 --> 00:32:06,399
the surface of the earth after that late

844
00:32:09,909 --> 00:32:08,080
heavy bombardment period is the

845
00:32:12,870 --> 00:32:09,919
exogenous delivery or the delivery from

846
00:32:14,389 --> 00:32:12,880
asteroids and comets and we do have rare

847
00:32:16,389 --> 00:32:14,399
classes of meteorites that we call

848
00:32:17,830 --> 00:32:16,399
carbonaceous chondrites where we see

849
00:32:19,269 --> 00:32:17,840
some of these organic molecules and

850
00:32:21,509 --> 00:32:19,279
that's really what has

851
00:32:24,070 --> 00:32:21,519
made that hypothesis viable

852
00:32:26,230 --> 00:32:24,080
but a lot of our analyses are

853
00:32:27,830 --> 00:32:26,240
confused by the fact that meteorites

854
00:32:29,990 --> 00:32:27,840
once around the surface of the earth are

855
00:32:32,389 --> 00:32:30,000
very quickly contaminated organically

856
00:32:34,149 --> 00:32:32,399
especially because microbes love these

857
00:32:36,070 --> 00:32:34,159
materials they get in there they

858
00:32:37,509 --> 00:32:36,080
colonize them and the things we're

859
00:32:39,590 --> 00:32:37,519
looking for are the things that these

860
00:32:41,750 --> 00:32:39,600
bacteria are made out of the amino acids

861
00:32:43,669 --> 00:32:41,760
that make up their proteins particularly

862
00:32:45,350 --> 00:32:43,679
interested in the handedness you know

863
00:32:47,350 --> 00:32:45,360
some organic molecules have a right hand

864
00:32:48,870 --> 00:32:47,360
version and a left hand version and life

865
00:32:51,190 --> 00:32:48,880
preferentially chooses one over the

866
00:32:53,669 --> 00:32:51,200
other so we're really interested in what

867
00:32:55,669 --> 00:32:53,679
were those original inventory of

868
00:32:57,669 --> 00:32:55,679
materials the seeds of life that these

869
00:33:04,389 --> 00:32:57,679
carbon rich asteroids and comets may

870
00:33:09,269 --> 00:33:05,990
jim siegel i'm with the celebration

871
00:33:10,710 --> 00:33:09,279
independent and space flight insider i'm

872
00:33:12,789 --> 00:33:10,720
i'm interested

873
00:33:15,990 --> 00:33:12,799
to learn a little bit more about the uh

874
00:33:19,190 --> 00:33:16,000
asteroid itself benue uh for example why

875
00:33:21,590 --> 00:33:19,200
was that particular asteroid chosen uh

876
00:33:24,950 --> 00:33:21,600
how far is it from earth how far will it

877
00:33:27,110 --> 00:33:24,960
be at the time that this landing occurs

878
00:33:29,269 --> 00:33:27,120
uh it from the

879
00:33:31,110 --> 00:33:29,279
video it seemed to be in a roughly same

880
00:33:32,630 --> 00:33:31,120
orbit as the earth and i wondered

881
00:33:34,789 --> 00:33:32,640
whether that was true or whether it's

882
00:33:37,190 --> 00:33:34,799
just kind of passing through a little

883
00:33:39,590 --> 00:33:37,200
bit more about its history thank you

884
00:33:41,110 --> 00:33:39,600
well i'll take that one so when we first

885
00:33:43,190 --> 00:33:41,120
started selecting the target for

886
00:33:44,950 --> 00:33:43,200
osiris-rex we levied some engineering

887
00:33:46,389 --> 00:33:44,960
constraints on the system

888
00:33:48,389 --> 00:33:46,399
we were working with lockheed martin we

889
00:33:49,830 --> 00:33:48,399
were going to use their heritage design

890
00:33:52,149 --> 00:33:49,840
to the greatest extent possible to

891
00:33:53,830 --> 00:33:52,159
minimize development risk and we made a

892
00:33:54,630 --> 00:33:53,840
couple key decisions one of the big one

893
00:33:56,549 --> 00:33:54,640
was

894
00:33:58,710 --> 00:33:56,559
no radioisotope power source we were

895
00:34:00,310 --> 00:33:58,720
going to go with a solar array for our

896
00:34:02,149 --> 00:34:00,320
power source and we didn't want to have

897
00:34:03,750 --> 00:34:02,159
to go too far out into the solar system

898
00:34:05,669 --> 00:34:03,760
so that we could maneuver around the

899
00:34:07,590 --> 00:34:05,679
asteroid and still have plenty of power

900
00:34:09,990 --> 00:34:07,600
for our instruments that limited us to

901
00:34:12,069 --> 00:34:10,000
objects that didn't go out 1.6

902
00:34:13,510 --> 00:34:12,079
astronomical units remembering that one

903
00:34:15,510 --> 00:34:13,520
astronomical unit is the average

904
00:34:17,430 --> 00:34:15,520
distance between the earth and the sun

905
00:34:19,589 --> 00:34:17,440
we also didn't want to have to deal with

906
00:34:21,909 --> 00:34:19,599
major thermal control systems so we

907
00:34:24,230 --> 00:34:21,919
wanted to stay away from the sun as much

908
00:34:26,389 --> 00:34:24,240
as possible and we set that limit to 0.8

909
00:34:28,950 --> 00:34:26,399
astronomical units we also made the

910
00:34:31,349 --> 00:34:28,960
decision to fly the stardust sample

911
00:34:33,669 --> 00:34:31,359
return capsule design and that was rated

912
00:34:35,190 --> 00:34:33,679
to a re-entry velocity of 12.4

913
00:34:37,270 --> 00:34:35,200
kilometers per second

914
00:34:39,349 --> 00:34:37,280
and that criteria set a constraint on

915
00:34:41,349 --> 00:34:39,359
the inclination of the asteroid's orbit

916
00:34:43,030 --> 00:34:41,359
relative to the earth which is the angle

917
00:34:44,790 --> 00:34:43,040
of the asteroid's orbit relative to the

918
00:34:47,430 --> 00:34:44,800
earth's orbit that had to be less than

919
00:34:49,349 --> 00:34:47,440
10 degrees so but just those three

920
00:34:52,629 --> 00:34:49,359
constraints got us down to near-earth

921
00:34:54,470 --> 00:34:52,639
asteroids in very earth-like orbits

922
00:34:56,230 --> 00:34:54,480
and then we wanted to pick an asteroid

923
00:34:58,390 --> 00:34:56,240
that we felt would have a significant

924
00:34:59,829 --> 00:34:58,400
probability of the loose regolith on the

925
00:35:02,710 --> 00:34:59,839
surface because we're going to go with

926
00:35:04,950 --> 00:35:02,720
this tag sam sample acquisition concept

927
00:35:07,030 --> 00:35:04,960
of gas stimulation and so we needed

928
00:35:08,950 --> 00:35:07,040
something that was relatively large

929
00:35:11,829 --> 00:35:08,960
because when asteroids get to be about

930
00:35:13,670 --> 00:35:11,839
200 meters or in diameter or smaller

931
00:35:15,750 --> 00:35:13,680
they tend to rotate very rapidly

932
00:35:17,510 --> 00:35:15,760
sometimes as often as once every minute

933
00:35:19,750 --> 00:35:17,520
and that would likely fling any of that

934
00:35:21,670 --> 00:35:19,760
gravel off the surface so we went to

935
00:35:23,910 --> 00:35:21,680
something about 500 meters when we chose

936
00:35:25,510 --> 00:35:23,920
asteroid bennu after we went through all

937
00:35:28,230 --> 00:35:25,520
of those constraints

938
00:35:30,230 --> 00:35:28,240
we were down to about two dozen objects

939
00:35:32,069 --> 00:35:30,240
and finally science got to come in and

940
00:35:35,109 --> 00:35:32,079
have a vote and we wanted that

941
00:35:37,990 --> 00:35:35,119
carbon-rich composition to help with our

942
00:35:40,470 --> 00:35:38,000
investigation of the origins of life in

943
00:35:42,950 --> 00:35:40,480
the solar system and uh there was five

944
00:35:44,870 --> 00:35:42,960
asteroids that met all of those criteria

945
00:35:47,270 --> 00:35:44,880
we selected asteroid bennu as the final

946
00:35:49,510 --> 00:35:47,280
target of osiris-rex because it was so

947
00:35:51,589 --> 00:35:49,520
well characterized with radar data

948
00:35:57,030 --> 00:35:51,599
telescopic data that we felt that really

949
00:36:01,109 --> 00:35:59,109
so it's orbit it varies uh it does a

950
00:36:03,190 --> 00:36:01,119
close approach to the earth once every

951
00:36:05,589 --> 00:36:03,200
six years it's in an orbital period of

952
00:36:07,670 --> 00:36:05,599
1.2 years earth goes around every one

953
00:36:09,190 --> 00:36:07,680
year so every six years they line up and

954
00:36:11,510 --> 00:36:09,200
when it was discovered it was about

955
00:36:13,670 --> 00:36:11,520
three times the distance that the moon

956
00:36:15,670 --> 00:36:13,680
is from from the earth but on occasion

957
00:36:17,670 --> 00:36:15,680
it gets on the other side of the sun so

958
00:36:20,150 --> 00:36:17,680
it can be over two astronomical units

959
00:36:21,670 --> 00:36:20,160
away and it's that phasing that changes

960
00:36:22,790 --> 00:36:21,680
every six years there's a close

961
00:36:24,790 --> 00:36:22,800
encounter between the earth and the

962
00:36:27,589 --> 00:36:24,800
asteroid and then they they go apart and

963
00:36:41,990 --> 00:36:27,599
they come back together

964
00:36:45,109 --> 00:36:43,589
thanks uh stephen clark from space

965
00:36:47,750 --> 00:36:45,119
flight now um i have a couple of

966
00:36:50,069 --> 00:36:47,760
questions uh first maybe for dante and

967
00:36:53,270 --> 00:36:50,079
if anyone else wants to chime in um i'm

968
00:36:54,950 --> 00:36:53,280
curious um interested in how

969
00:36:56,710 --> 00:36:54,960
in your nervousness and anxiety going

970
00:36:58,150 --> 00:36:56,720
into the launch uh would you consider

971
00:36:59,910 --> 00:36:58,160
this the riskiest part of the mission

972
00:37:01,670 --> 00:36:59,920
you have a lot of things that seem

973
00:37:04,069 --> 00:37:01,680
pretty untried to come

974
00:37:05,829 --> 00:37:04,079
i'm interested in how you're feeling now

975
00:37:07,430 --> 00:37:05,839
compares to some of the risks that come

976
00:37:08,630 --> 00:37:07,440
on once you get to the asteroid and have

977
00:37:10,390 --> 00:37:08,640
a follow-up

978
00:37:12,630 --> 00:37:10,400
i'm absolutely not nervous because we

979
00:37:14,310 --> 00:37:12,640
have a phenomenal team and they know

980
00:37:15,750 --> 00:37:14,320
what they're doing and i have my full

981
00:37:17,589 --> 00:37:15,760
trust and faith in that they're going to

982
00:37:19,510 --> 00:37:17,599
get this job done i am anxious because

983
00:37:21,270 --> 00:37:19,520
i've been working on this program for 12

984
00:37:23,109 --> 00:37:21,280
years now and i really want to fly this

985
00:37:24,310 --> 00:37:23,119
spacecraft that lockheed martin has

986
00:37:25,829 --> 00:37:24,320
built for us

987
00:37:27,349 --> 00:37:25,839
but those are two very different states

988
00:37:28,790 --> 00:37:27,359
of mine i want to make sure you

989
00:37:30,950 --> 00:37:28,800
understand how much faith i have in this

990
00:37:32,950 --> 00:37:30,960
crew it's an awesome experience of a

991
00:37:34,870 --> 00:37:32,960
lifetime for me to be here and work side

992
00:37:36,790 --> 00:37:34,880
by side with this team and see how

993
00:37:39,750 --> 00:37:36,800
professional and thorough and dedicated

994
00:37:41,670 --> 00:37:39,760
they are as we go and a hallmark of

995
00:37:42,950 --> 00:37:41,680
osiris-rex has been effective risk

996
00:37:44,470 --> 00:37:42,960
management

997
00:37:45,430 --> 00:37:44,480
there's risk in this business we all

998
00:37:48,069 --> 00:37:45,440
know that

999
00:37:49,349 --> 00:37:48,079
but we really set out to actively

1000
00:37:51,670 --> 00:37:49,359
identify

1001
00:37:53,349 --> 00:37:51,680
and manage and mitigate our risks so

1002
00:37:54,710 --> 00:37:53,359
absolutely we're going to fly a

1003
00:37:56,230 --> 00:37:54,720
spacecraft into the surface of an

1004
00:37:58,550 --> 00:37:56,240
asteroid and get a sample and we're

1005
00:38:00,470 --> 00:37:58,560
going to drop a return capsule at 27 000

1006
00:38:01,829 --> 00:38:00,480
miles in the top of the per hour into

1007
00:38:03,109 --> 00:38:01,839
the top of our atmosphere and recover

1008
00:38:05,190 --> 00:38:03,119
that material

1009
00:38:06,550 --> 00:38:05,200
but we understand the risks and as we've

1010
00:38:08,390 --> 00:38:06,560
gone through the development program

1011
00:38:09,510 --> 00:38:08,400
we've had the resources and it's really

1012
00:38:11,670 --> 00:38:09,520
a testament to being in the new

1013
00:38:14,069 --> 00:38:11,680
frontiers program at nasa that we have

1014
00:38:15,990 --> 00:38:14,079
the resources to to manage this program

1015
00:38:17,430 --> 00:38:16,000
properly and i am very confident that

1016
00:38:18,870 --> 00:38:17,440
we've we've managed the risks and we

1017
00:38:21,829 --> 00:38:18,880
understand them and that this mission is

1018
00:38:23,829 --> 00:38:21,839
going to succeed and probably

1019
00:38:34,630 --> 00:38:23,839
mike and rich want to follow in on some

1020
00:38:39,270 --> 00:38:36,790
i i know this mission is coming in a

1021
00:38:41,910 --> 00:38:39,280
little bit under budget uh so maybe uh

1022
00:38:42,710 --> 00:38:41,920
jeff and dante contacting this one um

1023
00:38:43,750 --> 00:38:42,720
is

1024
00:38:46,150 --> 00:38:43,760
uh

1025
00:38:48,630 --> 00:38:46,160
what happens to that money that was

1026
00:38:50,710 --> 00:38:48,640
saved during the development and is it

1027
00:38:52,470 --> 00:38:50,720
to stay within the project and

1028
00:38:53,750 --> 00:38:52,480
what sort of augmentations might you be

1029
00:38:57,589 --> 00:38:53,760
studying to

1030
00:39:02,390 --> 00:38:59,750
so within the science mission director

1031
00:39:05,349 --> 00:39:02,400
we manage our missions as a portfolio as

1032
00:39:07,750 --> 00:39:05,359
i mentioned earlier we have over 114 uh

1033
00:39:08,950 --> 00:39:07,760
active active missions going on so there

1034
00:39:10,550 --> 00:39:08,960
are some missions that may come in a

1035
00:39:13,109 --> 00:39:10,560
little bit above some missions that come

1036
00:39:15,510 --> 00:39:13,119
in come in underneath so we manage again

1037
00:39:16,950 --> 00:39:15,520
at the portfolio level not just at a

1038
00:39:18,630 --> 00:39:16,960
single mission

1039
00:39:20,150 --> 00:39:18,640
and so

1040
00:39:21,109 --> 00:39:20,160
as we go through and look to make sure

1041
00:39:23,270 --> 00:39:21,119
our

1042
00:39:24,310 --> 00:39:23,280
the science of what we call phase e is

1043
00:39:27,829 --> 00:39:24,320
is well

1044
00:39:29,589 --> 00:39:27,839
the great science we also look at what

1045
00:39:30,950 --> 00:39:29,599
funds are needed for other missions that

1046
00:39:34,150 --> 00:39:30,960
may

1047
00:39:35,829 --> 00:39:34,160
again we do a portfolio management not

1048
00:39:37,349 --> 00:39:35,839
just not just a single project

1049
00:39:38,790 --> 00:39:37,359
management

1050
00:39:42,069 --> 00:39:38,800
okay darrell do you have a question

1051
00:39:45,349 --> 00:39:43,829
nail fox 35

1052
00:39:47,430 --> 00:39:45,359
um

1053
00:39:49,270 --> 00:39:47,440
what type of was there any debris this

1054
00:39:52,150 --> 00:39:49,280
for nasa and ula was there any debris

1055
00:39:54,390 --> 00:39:52,160
found from the anomaly over at 40 and if

1056
00:39:57,990 --> 00:39:54,400
so what was found how much was found

1057
00:40:01,430 --> 00:40:00,069
i'll let you take that okay

1058
00:40:03,589 --> 00:40:01,440
yeah so

1059
00:40:05,910 --> 00:40:03,599
what i can tell you is that

1060
00:40:07,270 --> 00:40:05,920
our teams did an extensive

1061
00:40:09,030 --> 00:40:07,280
walk down

1062
00:40:14,150 --> 00:40:09,040
of the

1063
00:40:17,109 --> 00:40:14,160
and uh our atlas 5 vehicle as well as

1064
00:40:19,990 --> 00:40:17,119
osiris-rex are safely buttoned up

1065
00:40:22,309 --> 00:40:20,000
and secure in inside the vif

1066
00:40:24,950 --> 00:40:22,319
we haven't identified any damage or any

1067
00:40:26,309 --> 00:40:24,960
concerns as a result of the incident uh

1068
00:40:29,190 --> 00:40:26,319
last week

1069
00:40:30,790 --> 00:40:29,200
and we do continue to evaluate our our

1070
00:40:33,829 --> 00:40:30,800
progress

1071
00:40:35,589 --> 00:40:33,839
as we get as we move towards launch but

1072
00:40:37,349 --> 00:40:35,599
at this point we haven't identified any

1073
00:40:40,630 --> 00:40:37,359
risks and we're on track for launch on

1074
00:40:45,030 --> 00:40:43,990
uh not that i'm aware of

1075
00:40:47,109 --> 00:40:45,040
all right we're going to go to the

1076
00:40:49,030 --> 00:40:47,119
phones now bill harwood i think you're

1077
00:40:50,710 --> 00:40:49,040
online

1078
00:40:52,150 --> 00:40:50,720
yeah thanks a lot george just a quick

1079
00:40:54,069 --> 00:40:52,160
question for dante actually three quick

1080
00:40:55,030 --> 00:40:54,079
questions but i promise they're quick uh

1081
00:40:56,710 --> 00:40:55,040
looking at the flight but i was

1082
00:40:58,390 --> 00:40:56,720
wondering uh what the distance is a

1083
00:41:00,390 --> 00:40:58,400
close approach did you plan any earth

1084
00:41:01,990 --> 00:41:00,400
obs during the the flyby either for

1085
00:41:04,550 --> 00:41:02,000
science or to test your instruments and

1086
00:41:06,710 --> 00:41:04,560
finally uh is this strictly plane change

1087
00:41:08,230 --> 00:41:06,720
or is there some velocity component plus

1088
00:41:11,030 --> 00:41:08,240
or minus thanks

1089
00:41:12,790 --> 00:41:11,040
sure so uh one year after osiris-rex

1090
00:41:13,589 --> 00:41:12,800
launches from the earth we'll come back

1091
00:41:15,430 --> 00:41:13,599
to

1092
00:41:16,870 --> 00:41:15,440
the earth and do an earth gravity assist

1093
00:41:18,710 --> 00:41:16,880
and that is primarily for the

1094
00:41:21,349 --> 00:41:18,720
inclination plane change to get us on to

1095
00:41:22,950 --> 00:41:21,359
the sixth degree inc inclined plane that

1096
00:41:25,270 --> 00:41:22,960
bennu orbits on

1097
00:41:26,950 --> 00:41:25,280
the distance of close approach uh will

1098
00:41:28,390 --> 00:41:26,960
vary depending on exactly when in the

1099
00:41:30,950 --> 00:41:28,400
launch window we go

1100
00:41:32,630 --> 00:41:30,960
uh roughly about 20 000 kilometers will

1101
00:41:34,870 --> 00:41:32,640
be the range but again that's variable

1102
00:41:36,630 --> 00:41:34,880
depending on the specifics of our launch

1103
00:41:38,950 --> 00:41:36,640
injection trajectory

1104
00:41:41,030 --> 00:41:38,960
it is a great opportunity for us to

1105
00:41:42,710 --> 00:41:41,040
check out our whole instrument suite

1106
00:41:44,150 --> 00:41:42,720
nasa missions in the past have learned

1107
00:41:46,069 --> 00:41:44,160
an enormous amount about their

1108
00:41:48,150 --> 00:41:46,079
spacecraft and more importantly the

1109
00:41:49,910 --> 00:41:48,160
ground system and the team on the ground

1110
00:41:51,430 --> 00:41:49,920
and how they deal with all the payloads

1111
00:41:53,190 --> 00:41:51,440
all the requests from the science teams

1112
00:41:55,109 --> 00:41:53,200
and then downlinking and processing of

1113
00:41:57,030 --> 00:41:55,119
the data so we have a fantastic

1114
00:41:59,349 --> 00:41:57,040
calibration and observation campaign

1115
00:42:00,870 --> 00:41:59,359
both of the earth and the moon we'll be

1116
00:42:02,309 --> 00:42:00,880
doing some things like checking out

1117
00:42:04,230 --> 00:42:02,319
instrument alignments you know we've

1118
00:42:05,430 --> 00:42:04,240
aligned these things very precisely

1119
00:42:07,109 --> 00:42:05,440
relative to each other but you might

1120
00:42:09,109 --> 00:42:07,119
expect some small shifts from the launch

1121
00:42:10,950 --> 00:42:09,119
environment and the earth and moon

1122
00:42:12,790 --> 00:42:10,960
observations will allow us to test that

1123
00:42:15,670 --> 00:42:12,800
we'll also go through some of the the

1124
00:42:17,270 --> 00:42:15,680
con ops for the bennu encounter like

1125
00:42:18,870 --> 00:42:17,280
one of our stations called detailed

1126
00:42:20,550 --> 00:42:18,880
survey where we have to slew the

1127
00:42:22,790 --> 00:42:20,560
spacecraft north and south in order to

1128
00:42:24,710 --> 00:42:22,800
cover the entire surface of bennu we'll

1129
00:42:26,550 --> 00:42:24,720
rehearse that and we'll also get some

1130
00:42:28,630 --> 00:42:26,560
really great data on our homeworld and

1131
00:42:30,550 --> 00:42:28,640
on the moon using our spectrometers and

1132
00:42:32,390 --> 00:42:30,560
our cameras so it's a great opportunity

1133
00:42:34,230 --> 00:42:32,400
for us to check out the team check out

1134
00:42:36,550 --> 00:42:34,240
the spacecraft and also

1135
00:42:41,750 --> 00:42:36,560
look at our home

1136
00:42:47,990 --> 00:42:44,790
thanks george um i have a question for

1137
00:42:50,309 --> 00:42:48,000
tim and or scott

1138
00:42:52,550 --> 00:42:50,319
have you received any information from

1139
00:42:55,270 --> 00:42:52,560
spacex that gives you

1140
00:42:57,270 --> 00:42:55,280
the confidence that there's not a

1141
00:43:00,069 --> 00:42:57,280
generic

1142
00:43:02,150 --> 00:43:00,079
rocket equipment issue that could also

1143
00:43:04,069 --> 00:43:02,160
affect the atlas 5

1144
00:43:07,030 --> 00:43:04,079
and or a

1145
00:43:08,870 --> 00:43:07,040
ground support equipment issue

1146
00:43:17,430 --> 00:43:08,880
and if you have gotten any information

1147
00:43:21,349 --> 00:43:19,349
first of all

1148
00:43:23,430 --> 00:43:21,359
our hearts do go out to our colleagues

1149
00:43:25,510 --> 00:43:23,440
over at spacex if you've been in this

1150
00:43:27,750 --> 00:43:25,520
business long enough you've experienced

1151
00:43:29,670 --> 00:43:27,760
today like last thursday

1152
00:43:33,589 --> 00:43:29,680
it's nothing that any of us ever want to

1153
00:43:35,670 --> 00:43:33,599
uh to see however it is part of our our

1154
00:43:38,069 --> 00:43:35,680
business our business it has very harsh

1155
00:43:40,950 --> 00:43:38,079
consequences

1156
00:43:42,390 --> 00:43:40,960
so spacex very resilient company we were

1157
00:43:45,430 --> 00:43:42,400
fortunate to launch with them earlier

1158
00:43:47,109 --> 00:43:45,440
this year the jason 3 mission out at

1159
00:43:48,550 --> 00:43:47,119
vandenberg so have a little bit of

1160
00:43:50,309 --> 00:43:48,560
experience

1161
00:43:53,589 --> 00:43:50,319
knowing their culture

1162
00:43:55,750 --> 00:43:53,599
and look forward to their return soon

1163
00:43:59,829 --> 00:43:55,760
so with that said uh

1164
00:44:01,750 --> 00:43:59,839
given lsp's position uh having

1165
00:44:04,950 --> 00:44:01,760
spacecraft on both

1166
00:44:08,150 --> 00:44:04,960
ula's line of products atlas 5 delta 2

1167
00:44:11,510 --> 00:44:08,160
and delta 4 and also on spacex's falcon

1168
00:44:14,790 --> 00:44:11,520
9 we are in a a special position where

1169
00:44:17,270 --> 00:44:14,800
we're able to look at uh very uh closely

1170
00:44:18,630 --> 00:44:17,280
held launch vehicle data the proprietary

1171
00:44:21,109 --> 00:44:18,640
data for both

1172
00:44:24,150 --> 00:44:21,119
so our team led by our chief engineer

1173
00:44:27,270 --> 00:44:24,160
for lsp led a crossover assessment of

1174
00:44:29,670 --> 00:44:27,280
launch vehicle hardware from what we

1175
00:44:32,470 --> 00:44:29,680
what we were able to observe and know

1176
00:44:34,950 --> 00:44:32,480
from the data from the event on thursday

1177
00:44:37,349 --> 00:44:34,960
for falcon 9 and compare that against

1178
00:44:39,670 --> 00:44:37,359
the systems of atlas v

1179
00:44:40,950 --> 00:44:39,680
and that assessment did complete over

1180
00:44:42,630 --> 00:44:40,960
the weekend

1181
00:44:44,390 --> 00:44:42,640
and our chief engineer was able to

1182
00:44:46,790 --> 00:44:44,400
report in that

1183
00:44:49,990 --> 00:44:46,800
the review was complete and that there

1184
00:44:52,710 --> 00:44:50,000
is no elevated risk to osiris-rex

1185
00:44:53,910 --> 00:44:52,720
launching on an atlas v

1186
00:44:56,630 --> 00:44:53,920
okay we're going to take a couple of

1187
00:45:00,069 --> 00:44:56,640
social media questions here okay this

1188
00:45:02,550 --> 00:45:00,079
first one is from at crote robot

1189
00:45:04,950 --> 00:45:02,560
and it's for ula it's will the centaur

1190
00:45:07,190 --> 00:45:04,960
stage be deorbited after release of

1191
00:45:09,349 --> 00:45:07,200
osiris-rex or does it go into a quote

1192
00:45:12,230 --> 00:45:09,359
disposal orbit

1193
00:45:14,309 --> 00:45:12,240
no since this is a

1194
00:45:17,190 --> 00:45:14,319
trajectory that takes us out into the

1195
00:45:19,910 --> 00:45:17,200
atmosphere it it just continues on out

1196
00:45:23,190 --> 00:45:20,870
and then

1197
00:45:25,670 --> 00:45:23,200
we have a question for uh

1198
00:45:27,990 --> 00:45:25,680
mostly for dante loretta uh he wants to

1199
00:45:29,430 --> 00:45:28,000
know this is at bill graham

1200
00:45:31,670 --> 00:45:29,440
what do you think mike drake would have

1201
00:45:33,349 --> 00:45:31,680
to say today

1202
00:45:34,950 --> 00:45:33,359
well uh at the end of our launch

1203
00:45:36,870 --> 00:45:34,960
readiness review we had the opportunity

1204
00:45:38,550 --> 00:45:36,880
to remember uh some individuals that

1205
00:45:41,750 --> 00:45:38,560
we've lost along the way

1206
00:45:44,309 --> 00:45:41,760
and uh mike drake was my friend my

1207
00:45:47,190 --> 00:45:44,319
mentor and the visionary who brought me

1208
00:45:48,870 --> 00:45:47,200
onto the program in 2004 as his deputy

1209
00:45:51,030 --> 00:45:48,880
principal investigator

1210
00:45:52,790 --> 00:45:51,040
and together he and i worked for seven

1211
00:45:54,230 --> 00:45:52,800
years along with our partners at goddard

1212
00:45:56,550 --> 00:45:54,240
space flight center and lockheed martin

1213
00:45:58,790 --> 00:45:56,560
to bid this proposal to nasa multiple

1214
00:46:00,790 --> 00:45:58,800
times until we were ready for selection

1215
00:46:03,190 --> 00:46:00,800
as the third new frontier's mission

1216
00:46:06,069 --> 00:46:03,200
uh so we miss him dearly he he passed

1217
00:46:08,470 --> 00:46:06,079
away in september of 2011 uh four months

1218
00:46:11,750 --> 00:46:08,480
after we were awarded the contract to

1219
00:46:13,910 --> 00:46:11,760
begin uh the mission osiris-rex i know

1220
00:46:16,069 --> 00:46:13,920
he's still with us he's in our hearts

1221
00:46:18,150 --> 00:46:16,079
in our souls and he's looking down on us

1222
00:46:19,510 --> 00:46:18,160
and he'd be really proud today

1223
00:46:21,750 --> 00:46:19,520
and he'd be having the time of his life

1224
00:46:23,349 --> 00:46:21,760
as well

1225
00:46:24,550 --> 00:46:23,359
we have a question from at fossil

1226
00:46:26,710 --> 00:46:24,560
locator

1227
00:46:28,790 --> 00:46:26,720
this is probably mostly for dante

1228
00:46:32,550 --> 00:46:28,800
specifically what type of carbonaceous

1229
00:46:34,069 --> 00:46:32,560
asteroid is bennu in meteorite terms

1230
00:46:35,190 --> 00:46:34,079
we'd also like a few people have asked

1231
00:46:38,230 --> 00:46:35,200
about how does this compare to

1232
00:46:40,790 --> 00:46:38,240
meteorites that they find here on earth

1233
00:46:42,710 --> 00:46:40,800
well we're going out into the unknown

1234
00:46:44,470 --> 00:46:42,720
and bennu is an unexplored world we've

1235
00:46:45,990 --> 00:46:44,480
done the best job we can with our

1236
00:46:47,829 --> 00:46:46,000
ground-based telescopes and our

1237
00:46:50,069 --> 00:46:47,839
space-based telescopes to try to infer

1238
00:46:52,550 --> 00:46:50,079
its composition we do know it's very

1239
00:46:54,630 --> 00:46:52,560
dark it has an albedo which is its

1240
00:46:55,829 --> 00:46:54,640
reflectivity of only four percent which

1241
00:46:56,950 --> 00:46:55,839
means

1242
00:47:00,390 --> 00:46:56,960
four percent of the sunlight is

1243
00:47:02,550 --> 00:47:00,400
reflected back into space and 96 is

1244
00:47:04,710 --> 00:47:02,560
absorbed uh the problem with these

1245
00:47:06,950 --> 00:47:04,720
carbonaceous asteroids is their spectra

1246
00:47:09,829 --> 00:47:06,960
are pretty featureless and so it's hard

1247
00:47:11,990 --> 00:47:09,839
to identify them exactly and we can't

1248
00:47:13,589 --> 00:47:12,000
link bennu to a specific meteorite class

1249
00:47:15,990 --> 00:47:13,599
and in fact that's one of our science

1250
00:47:18,550 --> 00:47:16,000
objectives is to do that and understand

1251
00:47:21,030 --> 00:47:18,560
what meteorite it may be linked to our

1252
00:47:23,670 --> 00:47:21,040
best estimates are that it's related

1253
00:47:25,750 --> 00:47:23,680
possibly to the ci or cm carbonaceous

1254
00:47:27,030 --> 00:47:25,760
chondrites for the uber meteorite geeks

1255
00:47:28,549 --> 00:47:27,040
out there

1256
00:47:29,829 --> 00:47:28,559
but we don't know and we're going to

1257
00:47:31,589 --> 00:47:29,839
explore this world and we're going to

1258
00:47:34,069 --> 00:47:31,599
bring back a sample and then i'll be

1259
00:47:35,829 --> 00:47:34,079
able to answer the question definitively

1260
00:47:38,069 --> 00:47:35,839
and one final social media question

1261
00:47:40,710 --> 00:47:38,079
before we come back here and this is um

1262
00:47:42,950 --> 00:47:40,720
pretty much for the whole panel um

1263
00:47:44,950 --> 00:47:42,960
at mike sienda wants to know what aspect

1264
00:47:46,549 --> 00:47:44,960
of the osiris-rex mission are you most

1265
00:47:48,470 --> 00:47:46,559
looking forward to

1266
00:47:52,470 --> 00:47:48,480
i'll take one answer on that who would

1267
00:47:52,480 --> 00:47:55,829
let rich answer that one

1268
00:48:00,470 --> 00:47:58,230
i think that the thing that

1269
00:48:02,950 --> 00:48:00,480
one i'm most appreciative of and then

1270
00:48:05,030 --> 00:48:02,960
two that i'm looking forward to the most

1271
00:48:06,470 --> 00:48:05,040
i'm most appreciative of all the people

1272
00:48:09,030 --> 00:48:06,480
that have had a chance to work on the

1273
00:48:10,790 --> 00:48:09,040
mission and get us to today

1274
00:48:12,710 --> 00:48:10,800
so

1275
00:48:15,109 --> 00:48:12,720
it's been an amazing journey i know that

1276
00:48:17,349 --> 00:48:15,119
at our peak just just us alone we had

1277
00:48:19,349 --> 00:48:17,359
900 different people touching the

1278
00:48:20,870 --> 00:48:19,359
satellite in a given month

1279
00:48:22,390 --> 00:48:20,880
and that's pretty impressive so it took

1280
00:48:24,069 --> 00:48:22,400
a lot to get here

1281
00:48:27,109 --> 00:48:24,079
and in terms of what i'm looking forward

1282
00:48:30,710 --> 00:48:27,119
to the most i think it's developing that

1283
00:48:33,270 --> 00:48:30,720
understanding of what we don't know

1284
00:48:35,270 --> 00:48:33,280
bringing back a sample

1285
00:48:36,950 --> 00:48:35,280
dante actually probably

1286
00:48:38,309 --> 00:48:36,960
brought it up and it's something that

1287
00:48:42,230 --> 00:48:38,319
stuck with me

1288
00:48:44,470 --> 00:48:42,240
the fact that we're going to have sample

1289
00:48:47,109 --> 00:48:44,480
material here on earth

1290
00:48:48,630 --> 00:48:47,119
that we can experiment on with

1291
00:48:51,109 --> 00:48:48,640
techniques

1292
00:48:53,270 --> 00:48:51,119
with people with instrumentation that

1293
00:48:55,030 --> 00:48:53,280
nobody's even thought of yet

1294
00:48:56,390 --> 00:48:55,040
in the future is something that's

1295
00:48:59,109 --> 00:48:56,400
phenomenal and it's something that's

1296
00:49:00,630 --> 00:48:59,119
unique to sample return missions

1297
00:49:02,470 --> 00:49:00,640
and so that's what i'm looking forward

1298
00:49:03,829 --> 00:49:02,480
to the most

1299
00:49:06,710 --> 00:49:03,839
right we'll take two more questions

1300
00:49:09,109 --> 00:49:06,720
right here marcia dunn

1301
00:49:12,069 --> 00:49:09,119
um marcia done associated press both for

1302
00:49:13,990 --> 00:49:12,079
dr loretta um realizing you're calm

1303
00:49:16,470 --> 00:49:14,000
today i'm just wondering when you saw

1304
00:49:19,030 --> 00:49:16,480
that spacex explosion last week did your

1305
00:49:21,589 --> 00:49:19,040
nerves jaggle jingle just a little

1306
00:49:23,349 --> 00:49:21,599
and um secondly was there any thought

1307
00:49:25,349 --> 00:49:23,359
ever given to actually landing on the

1308
00:49:27,670 --> 00:49:25,359
asteroid as opposed to just scooping up

1309
00:49:29,670 --> 00:49:27,680
and get going pretty quick

1310
00:49:31,990 --> 00:49:29,680
well i think as tim said you know we

1311
00:49:33,349 --> 00:49:32,000
nobody likes to see your colleagues go

1312
00:49:35,510 --> 00:49:33,359
through a day like they went on thursday

1313
00:49:37,270 --> 00:49:35,520
so sure i mean it was it was a stark

1314
00:49:38,790 --> 00:49:37,280
reminder to me and to this whole team

1315
00:49:39,990 --> 00:49:38,800
about the risks that we face in this

1316
00:49:41,829 --> 00:49:40,000
business

1317
00:49:43,670 --> 00:49:41,839
and in many ways you know it made us

1318
00:49:45,190 --> 00:49:43,680
take a look again at everything we had

1319
00:49:47,349 --> 00:49:45,200
done all of our processes all of our

1320
00:49:50,150 --> 00:49:47,359
procedures all of our equipment and as

1321
00:49:51,670 --> 00:49:50,160
i've said this team is awesome and it's

1322
00:49:53,349 --> 00:49:51,680
it's an honor to be able to watch them

1323
00:49:55,430 --> 00:49:53,359
work you know as the as the principal

1324
00:49:56,950 --> 00:49:55,440
investigator i don't have a role in

1325
00:49:58,710 --> 00:49:56,960
building or launching the rocket i get

1326
00:50:00,390 --> 00:49:58,720
to kind of enjoy the ride and observe

1327
00:50:01,990 --> 00:50:00,400
the team and it's something i've dreamed

1328
00:50:03,990 --> 00:50:02,000
about since i was a little kid to be

1329
00:50:05,670 --> 00:50:04,000
able to to climb around on the vertical

1330
00:50:07,670 --> 00:50:05,680
integration facility and see a rocket

1331
00:50:09,190 --> 00:50:07,680
getting stacked that's got my spacecraft

1332
00:50:10,950 --> 00:50:09,200
on top of it that we're about to send

1333
00:50:12,790 --> 00:50:10,960
off to an asteroid

1334
00:50:14,390 --> 00:50:12,800
sometimes i have to just pinch myself to

1335
00:50:15,750 --> 00:50:14,400
to convince myself that i'm not dreaming

1336
00:50:17,589 --> 00:50:15,760
all of this that it's actually happening

1337
00:50:19,589 --> 00:50:17,599
and that that i have the honor and the

1338
00:50:20,950 --> 00:50:19,599
privilege of leading this for nasa and

1339
00:50:22,630 --> 00:50:20,960
for the nation

1340
00:50:24,390 --> 00:50:22,640
um what was the second part of your

1341
00:50:26,470 --> 00:50:24,400
question

1342
00:50:28,630 --> 00:50:26,480
what was would be the pros and cons even

1343
00:50:31,030 --> 00:50:28,640
if that were possible early on in the

1344
00:50:32,950 --> 00:50:31,040
mission design the osiris-rex team

1345
00:50:34,710 --> 00:50:32,960
looked at the options of landing on the

1346
00:50:36,309 --> 00:50:34,720
asteroid and doing extended surface

1347
00:50:37,349 --> 00:50:36,319
operations versus the touch and go

1348
00:50:38,950 --> 00:50:37,359
maneuver

1349
00:50:41,030 --> 00:50:38,960
and uh we quickly came to the

1350
00:50:42,790 --> 00:50:41,040
realization that there's just so much

1351
00:50:45,030 --> 00:50:42,800
unknown about the surface of the

1352
00:50:47,270 --> 00:50:45,040
asteroid that the idea that you could

1353
00:50:49,750 --> 00:50:47,280
develop a harpoon or an anchoring system

1354
00:50:51,829 --> 00:50:49,760
or use hold down thrusters to keep you

1355
00:50:54,390 --> 00:50:51,839
on the surface was deemed to be too high

1356
00:50:56,790 --> 00:50:54,400
of risk for the program and in fact the

1357
00:50:59,270 --> 00:50:56,800
way to go was the the short duration

1358
00:51:01,829 --> 00:50:59,280
touch and go contact using the pogo

1359
00:51:03,910 --> 00:51:01,839
mechanism to reverse the momentum of the

1360
00:51:05,990 --> 00:51:03,920
spacecraft and send it on on journey

1361
00:51:08,150 --> 00:51:06,000
away and i say as we watched our

1362
00:51:11,109 --> 00:51:08,160
european colleagues dropped the filet

1363
00:51:13,109 --> 00:51:11,119
lander onto the surface of comet 67p

1364
00:51:14,710 --> 00:51:13,119
they intended to land but they bounced

1365
00:51:15,990 --> 00:51:14,720
and i looked at that and i said all

1366
00:51:17,510 --> 00:51:16,000
right that's what we're planning on

1367
00:51:19,990 --> 00:51:17,520
doing it just shows me that that was the

1368
00:51:24,790 --> 00:51:20,000
right design solution

1369
00:51:27,829 --> 00:51:26,549
james dean florida today a question of

1370
00:51:29,190 --> 00:51:27,839
follow-up um

1371
00:51:30,630 --> 00:51:29,200
dante maybe a good segue i just want to

1372
00:51:32,870 --> 00:51:30,640
wonder if you could talk a little bit

1373
00:51:34,549 --> 00:51:32,880
more about the moment of contact uh

1374
00:51:36,870 --> 00:51:34,559
obviously our anticipation of that event

1375
00:51:40,549 --> 00:51:36,880
some years away but um

1376
00:51:43,270 --> 00:51:40,559
what will you see and what will we see

1377
00:51:45,589 --> 00:51:43,280
yeah the osiris-rex team has uh

1378
00:51:47,109 --> 00:51:45,599
identified the tag event not only as the

1379
00:51:48,630 --> 00:51:47,119
culmination of the mission right that's

1380
00:51:50,549 --> 00:51:48,640
what we're going to spend the year and a

1381
00:51:52,230 --> 00:51:50,559
half mapping the asteroid to select the

1382
00:51:53,670 --> 00:51:52,240
right location to get that device down

1383
00:51:55,030 --> 00:51:53,680
to the surface and collect that sample

1384
00:51:57,349 --> 00:51:55,040
but we're going to learn a lot about

1385
00:51:59,510 --> 00:51:57,359
asteroid surfaces just from that event

1386
00:52:02,150 --> 00:51:59,520
and so we've already laid out our whole

1387
00:52:04,230 --> 00:52:02,160
tag reconstruction process so after the

1388
00:52:06,470 --> 00:52:04,240
event takes place and we've got that key

1389
00:52:08,069 --> 00:52:06,480
decision to make do we have sample are

1390
00:52:10,069 --> 00:52:08,079
we ready to stow in the return capsule

1391
00:52:11,190 --> 00:52:10,079
or are we going to use some of our

1392
00:52:12,950 --> 00:52:11,200
reserve

1393
00:52:14,549 --> 00:52:12,960
gas bottles and go back for a second

1394
00:52:16,549 --> 00:52:14,559
sampling attempt so we're going to be

1395
00:52:19,510 --> 00:52:16,559
getting photo documentation of the event

1396
00:52:21,349 --> 00:52:19,520
our sam cam primary job is to watch the

1397
00:52:23,670 --> 00:52:21,359
tag sam interact with the surface of the

1398
00:52:25,430 --> 00:52:23,680
asteroid we've also got the nav cams

1399
00:52:26,790 --> 00:52:25,440
which are wider angle cameras and

1400
00:52:28,230 --> 00:52:26,800
they're going to be able to see

1401
00:52:29,990 --> 00:52:28,240
some of what's happening as we interact

1402
00:52:31,430 --> 00:52:30,000
with the asteroid surface and we're

1403
00:52:32,790 --> 00:52:31,440
going to be looking at spacecraft

1404
00:52:34,230 --> 00:52:32,800
telemetry we've got the inertial

1405
00:52:36,309 --> 00:52:34,240
measurement units which will be telling

1406
00:52:37,829 --> 00:52:36,319
us about all the forces that are acting

1407
00:52:39,750 --> 00:52:37,839
on the spacecraft and through our

1408
00:52:41,589 --> 00:52:39,760
knowledge of the spacecraft subsystems

1409
00:52:42,950 --> 00:52:41,599
isolating those forces that are the

1410
00:52:45,349 --> 00:52:42,960
result of the

1411
00:52:46,710 --> 00:52:45,359
the tag sam the asteroid regolith

1412
00:52:49,190 --> 00:52:46,720
interacting with the tag sam device

1413
00:52:50,790 --> 00:52:49,200
itself so one of my

1414
00:52:53,270 --> 00:52:50,800
co-investigators on the science team

1415
00:52:55,190 --> 00:52:53,280
it's his job to go through that data

1416
00:52:57,670 --> 00:52:55,200
within seven days and prepare a tag

1417
00:52:59,510 --> 00:52:57,680
reconstruction report to describe how

1418
00:53:01,829 --> 00:52:59,520
did the asteroid surface respond to the

1419
00:53:03,190 --> 00:53:01,839
tag event that's going to complement the

1420
00:53:05,349 --> 00:53:03,200
tag reconstruction report that the

1421
00:53:06,630 --> 00:53:05,359
spacecraft team at lockheed martin and

1422
00:53:07,990 --> 00:53:06,640
goddard space flight center are going to

1423
00:53:09,990 --> 00:53:08,000
put together and say this is how the

1424
00:53:11,990 --> 00:53:10,000
spacecraft responded to the event and

1425
00:53:13,589 --> 00:53:12,000
we're going to take that into our sample

1426
00:53:15,430 --> 00:53:13,599
success review to decide if we've got

1427
00:53:17,430 --> 00:53:15,440
enough material to come home but we're

1428
00:53:19,589 --> 00:53:17,440
also going to do a long-term analysis of

1429
00:53:21,030 --> 00:53:19,599
that to constrain the properties and of

1430
00:53:21,990 --> 00:53:21,040
the asteroid surface and the regolith

1431
00:53:23,829 --> 00:53:22,000
grains

1432
00:53:27,190 --> 00:53:23,839
okay we've got time for one question

1433
00:53:31,430 --> 00:53:29,910
hi don hiladiak cbc i think for rich

1434
00:53:33,589 --> 00:53:31,440
coons can you explain a little more

1435
00:53:34,950 --> 00:53:33,599
detail how the tag sam the touch and go

1436
00:53:36,870 --> 00:53:34,960
sampler works

1437
00:53:38,710 --> 00:53:36,880
i understand nitrogen gas going to kick

1438
00:53:40,069 --> 00:53:38,720
up a plume but how does it get directed

1439
00:53:41,910 --> 00:53:40,079
into the sampler

1440
00:53:43,670 --> 00:53:41,920
so it's really a reverse vacuum so if

1441
00:53:46,309 --> 00:53:43,680
you think about the video that we showed

1442
00:53:48,390 --> 00:53:46,319
right we've got the compressed gas and

1443
00:53:50,309 --> 00:53:48,400
as we come down we'll actually detect

1444
00:53:51,510 --> 00:53:50,319
that contact and that pogo will start

1445
00:53:53,349 --> 00:53:51,520
compressing

1446
00:53:54,630 --> 00:53:53,359
when we detect that we'll release the

1447
00:53:57,030 --> 00:53:54,640
gas

1448
00:53:59,349 --> 00:53:57,040
and what that'll do is that actually

1449
00:54:01,190 --> 00:53:59,359
gets all the material moving

1450
00:54:03,589 --> 00:54:01,200
right and then since space is a vacuum

1451
00:54:05,750 --> 00:54:03,599
and we've now released gas into it that

1452
00:54:07,190 --> 00:54:05,760
material is going to want to go on the

1453
00:54:09,510 --> 00:54:07,200
path that we've set for it and will

1454
00:54:12,390 --> 00:54:09,520
ultimately be collected inside the tag

1455
00:54:13,910 --> 00:54:12,400
sam head because that gas will move up

1456
00:54:18,710 --> 00:54:13,920
and then go through

1457
00:54:23,430 --> 00:54:21,109
all right with that we're going to wrap

1458
00:54:25,910 --> 00:54:23,440
up we have a science briefing following

1459
00:54:27,990 --> 00:54:25,920
this one but we're going to divide our

1460
00:54:29,510 --> 00:54:28,000
programming because we have an on-orbit

1461
00:54:31,589 --> 00:54:29,520
event on the space station we'll be

1462
00:54:33,510 --> 00:54:31,599
covering on the nasa public channel on

1463
00:54:35,990 --> 00:54:33,520
the main channel that will be

1464
00:54:38,630 --> 00:54:36,000
at two o'clock and then in parallel on

1465
00:54:40,230 --> 00:54:38,640
the nasa media channel will be our

1466
00:54:44,950 --> 00:54:40,240
science briefing

1467
00:54:46,230 --> 00:54:44,960
at 3 30 on the main channel on the

1468
00:54:48,950 --> 00:54:46,240
public channel

1469
00:54:51,349 --> 00:54:48,960
and then looking ahead to tomorrow we

1470
00:54:53,510 --> 00:54:51,359
have two briefings our customary social

1471
00:54:55,670 --> 00:54:53,520
media briefing will be on nasa

1472
00:54:58,230 --> 00:54:55,680
television starting at noon

1473
00:54:59,829 --> 00:54:58,240
and then at one o'clock also on nasa tv

1474
00:55:02,630 --> 00:54:59,839
will be a joint

1475
00:55:06,150 --> 00:55:02,640
social media news media briefing on

1476
00:55:08,789 --> 00:55:06,160
uncovering the secrets of asteroids

1477
00:55:13,589 --> 00:55:08,799
our programming on launch day

1478
00:55:16,390 --> 00:55:13,599
will start at 4 30 with status and live

1479
00:55:18,150 --> 00:55:16,400
audio from the launch conductor as they

1480
00:55:21,510 --> 00:55:18,160
get into the countdown to prepare the

1481
00:55:24,630 --> 00:55:21,520
atlas 5 for fueling and then the launch

1482
00:55:25,829 --> 00:55:24,640
commentary with our interviews

1483
00:55:28,069 --> 00:55:25,839
and

1484
00:55:30,870 --> 00:55:28,079
discussions of all the events to come

1485
00:55:32,150 --> 00:55:30,880
will start at 5 30.

1486
00:55:33,750 --> 00:55:32,160
so with that