The 300 - 670 metre wide asteroid 2002 SV will make a close pass (41.9 lunar distances, 0.1076 AU), travelling at 9.17 km/second, to the Earth-Moon system on the 8th September, 2012 @ 03:17 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).