1 00:00:00,500 --> 00:00:01,501 Radar Images of Asteroid 2014 JO25 2 00:00:01,501 --> 00:00:02,502 NASA Jet Propulsion Laboratory 3 00:00:02,502 --> 00:00:03,370 California Institute of Technology 4 00:00:04,271 --> 00:00:06,773 This movie of asteroid 2014 JO25 was generated on April 18, 2017, 5 00:00:06,773 --> 00:00:09,276 using radar images obtained by NASA's 230-foot-wide 6 00:00:09,276 --> 00:00:11,445 (70-meter) Deep Space Network antenna 7 00:00:11,445 --> 00:00:12,779 at Goldstone, California. 8 00:00:12,779 --> 00:00:15,282 The asteroid has a contact binary structure -- 9 00:00:15,282 --> 00:00:17,784 two lobes connected by a neck-like region. 10 00:00:17,784 --> 00:00:20,020 The largest of the asteroid's two lobes is 11 00:00:20,020 --> 00:00:22,322 estimated to be 2,000 feet (610 meters) across. 12 00:00:22,322 --> 00:00:25,325 [ ♪ ] 13 00:00:57,357 --> 00:00:59,359 The asteroid will approach to within 1.1 million miles 14 00:00:59,359 --> 00:01:01,361 (1.8 million kilometers) of Earth on April 19. 15 00:01:01,361 --> 00:01:03,363 The Goldstone observations were conducted when the asteroid 16 00:01:03,363 --> 00:01:05,365 was 1.9 million miles (3 million kilometers) from Earth. 17 00:01:05,365 --> 00:01:07,367 The resolution of the radar images is about 18 00:01:07,367 --> 00:01:09,369 25 feet (7.5 meters) per pixel. 19 00:01:09,369 --> 00:01:11,705 There are no future flybys by 2014 JO25 as close as this one 20 00:01:11,705 --> 00:01:13,373 for more than 400 years. 21 00:01:13,373 --> 00:01:15,375 30 images were used to create the movie 22 00:01:15,375 --> 00:01:17,377 shown at two different speeds. 23 00:01:18,612 --> 00:01:23,083 Image credit: NASA/JPL-Caltech