The 51 - 110 metre wide asteroid 2015 BP4 will make a close pass (41.0 LD, 0.1054 AU) travelling at 11.85 km/second, to the Earth-Moon system on the 11th February 2015 @ 03:15 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).
