The 10 - 23 metre wide asteroid 2015 BD511 will make a close pass (4.5 lunar distances, 0.0115 AU) travelling at 19.24 km/second, to the Earth-Moon system on the 30th January 2015 @ 00:48 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).
