* Astronomy

The 130 - 280 metre wide asteroid 2007 AM will make a close pass (74.2 lunar distances, 0.1906 AU), travelling at 11.36 km/second, to the Earth-Moon system on the 1st January, 2012 @ 12:50 UT ±08:07. 

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