The 90 - 200 metre wide asteroid 2002 KM3 will make a close pass (71.8 lunar distances, 0.1845 AU), travelling at 15.67 km/second, to the Earth-Moon system on the 24th May, 2012 @ 10:27 UT ±1 day 05:49.
The 91 - 200 metre wide asteroid 2002 KM3 will make a close pass (45.2 Lunar Distances, 0.1162 AU), travelling at 13.79 km/s, to the Earth-Moon system on the 9th November, 2009. See more
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).