The 35 - 78 metre wide asteroid 2013 UF5 will make a close pass (40.5 lunar distances, 0.1041 AU), travelling at 5.78 km/second, to the Earth-Moon system on the 20th November, 2013 @ 03:28 UT ±00:04
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
