* Astronomy

The 26 - 58 metre wide asteroid 2008 SA will make a close pass (21.9 lunar distances, 0.0563 AU), travelling at 6.63 km/second, to the Earth-Moon system on the 6th January, 2011 @ 07:30 UT ±18:41.

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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).