The 320 - 710 metre wide asteroid 2015 BO510 will make a close pass (44.4 LD, 0.1141 AU) travelling at 15.90 km/second, to the Earth-Moon system on the 21st March 2015 @ 12:50 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).
