The 530 - 1200 metre wide asteroid 2002 AJ129 will make a close pass (70.9 lunar distances, 0.1821 AU), travelling at 29.76 km/second, to the Earth-Moon system on the 30th January, 2010. See more
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).