Bruce Murray Space Image Library
Asteroid 2005 YU55
Filed under pretty pictures, asteroids, radio telescopes
400-meter asteroid 2005 YU55 passed within 300,000 kilometers of Earth on November 8, 2011. Radar astronomers used the opportunity to perform incredibly detailed delay-Doppler imaging of the asteroid, revealing details as small as four meters across as it rotated slowly.
NASA / JPL
Original image data dated on or about November 8, 2011
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