The 88 - 200 metre wide asteroid 2001 SQ263 will make a close pass (21.8 lunar distances, 0.0560 AU), travelling at 14.01 km/second, to the Earth-Moon system on the 16th September, 2013 @ 13:35 UT ±03:07.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
