The 51 - 110 metre wide asteroid 2006 UA216 will make a close pass (38.1 lunar distances, 0.0980 AU), travelling at 8.37 km/second, to the Earth-Moon system on the 16th November, 2013 @ 23:09 UT ±19:02
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).