The 64 - 140 metre wide asteroid 2015 BM514 will make a close pass (63.5 lunar distances, 0.1633 AU) travelling at 4.83 km/second, to the Earth-Moon system on the 8th February 2015 @ 07:57 UT ±03:14.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).