The 29 - 64 metre wide asteroid 2015 BG92 will make a close pass (11.3 lunar distances, 0.0290 AU) travelling at 4.23 km/second, to the Earth-Moon system on the 29th January 2015 @ 06:09 UT ±00:02.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).