Updated Radar Movie of Asteroid 2005 YU55


NASA Scientists working with the 230-foot-wide (70-meter) Deep Space Network antenna at Goldstone, Calif., have released a second, longer, and more refined, movie clip of asteroid 2005 YU55. The images were generated from data collected at Goldstone on Nov. 7, 2011, between 11:24 a.m. and 1:35 p.m. PST (2:24 p.m. and 4:35 p.m. EST).

The movie clip can be found at: http://1.usa.gov/YU55 .

Each of the 28 frames required 20 minutes of data collection by the Goldstone radar. At the time of the observations, 2005 YU55 was approximately 860,000 miles (1.4 million kilometers) from Earth. The resolution is about 13 feet (4 meters) per pixel. 2005 YU55 takes approximately 18 hours to complete one rotation, so the rotation in the movie appears much more rapid than the actual asteroid rotation speed.

The Goldstone observations utilized a new system to obtain images with a resolution of 4 meters, which is five times finer than the highest resolution previously possible at Goldstone.

Full Story: http://www.jpl.nasa.gov/news/news.cfm?release=2011-351

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