The 13 - 28 metre wide asteroid 2014 UA58 will make a close pass (13.2 lunar distances, 0.0340 AU) travelling at 11.23 km/second, to the Earth-Moon system on the 1st November 2014 @ 21:56 UT ±00:01.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).