* Astronomy

The 920 - 2100 metre wide asteroid 1994 CK1 will make a close pass (68.8 lunar distances, 0.1767 AU), travelling at 13.10 km/second, to the Earth-Moon system on the 16th November, 2011 @ 23:35 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).