* Astronomy

The 560 - 1200 metre wide asteroid 2000 SP43 will make a close pass (54.2 lunar distances, 0.1392 AU), travelling at 10.67 km/second, to the Earth-Moon system on the 26th September, 2011 @ 14:10 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).