The 39 - 87 metre wide asteroid 2014 UH115 will make a close pass (68.2 lunar distances, 0.1754 AU) travelling at 7.81 km/second, to the Earth-Moon system on the 31st October 2014 @ 18:01 UT ±03:23.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).