The 110 - 240 metre wide asteroid 2007 UH will make a close pass (77.0 lunar distances, 0.1977 AU), travelling at 10.08 km/second, to the Earth-Moon system on the 29th March, 2013 @ 10:07 UT ±1 day 03:25.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).