The 100 - 230 metre wide asteroid 2014 UO33 will make a close pass (65.9 lunar distances, 0.1695 AU) travelling at 9.08 km/second, to the Earth-Moon system on the 6th November 2014 @ 11:40 UT ±00:09.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).