Some videos and images of 2005 YU55
Asteroid 2005 YU55 flyby video: Earth's 'near miss' with space rock closer than the moon
2005 YU55 images
Meet YU55: This Nasa/JPL-Caltech image shows asteroid 2005 YU55 on when it was about 860,000 miles from Earth. It passed within 198,000 miles yesterday
The U.S. space agency has been monitoring the