The 220 - 490 metre wide asteroid 2015 BW3 will make a close pass (72.1 LD, 0.1852 AU) travelling at 12.38 km/second, to the Earth-Moon system on the 13th March 2015 @ 03:35 UT ±00:01.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
