The 250 - 570 metre wide asteroid 2000 GD147 will make a close pass (56.3 lunar distances, 0.1445 AU), travelling at 15.11 km/second, to the Earth-Moon system on the 22nd May, 2013 @ 21:00 UT ±00:41.
See more
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
