The 700 - 1600 metre wide asteroid (6239) Minos will make a close pass (38.3 lunar distances, 0.0985 AU), travelling at 10.17 km/second, to the Earth-Moon system on the 10th August, 2010 @ 21:07 UT. See more
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).