Earth Crossing Asteroid Has A Moon | Video
Thursday, May 30, 2013 - 16:30
in Astronomy & Space
Radar imagery of space rock 1998 QE2 – 1.7 miles in diameter – shows it has a ~2000 foot wide satellite. The 'binary asteroid' will makes its closest approach to Earth on May 31st, 2013 at a range of 3.6 million miles.