The 34 - 75 metre wide asteroid 2009 FL will make a close pass (60.9 Lunar Distances, 0.1565 AU), travelling at 23.09 km/s, to the Earth-Moon system on the 13th March, 2010. See more
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).