The 70 - 160 metre wide asteroid 2014 DU110 will make a close pass (57.7 lunar distances, 0.1483 AU), travelling at 13.90 km/second, to the Earth-Moon system on the 4th March 2014 @ 14:31 UT ±00:25.
See moreThe Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).