* Astronomy

The 250 - 560 metre wide asteroid 2006 CJ will make a close pass (17.6 lunar distances, 0.0453 AU), travelling at 21.89 km/second, to the Earth-Moon system on the 1st February, 2012 @ 08:23 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).