The 61 - 140 metre wide asteroid 2014 UU34 will make a close pass (66.4 lunar distances, 0.1707 AU) travelling at 3.86 km/second, to the Earth-Moon system on the 30th October 2014 @ 12:43 UT ±05:46.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).