The 100 - 230 metre wide asteroid 2014 BW57 will make a close pass (43.7 lunar distances, 0.1124 AU), travelling at 10.08 km/second, to the Earth-Moon system on the 2nd March 2014 @ 18:42 UT ±00:01.
See moreThe Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).