* Astronomy

The 200 - 440 metre wide asteroid 2008 CA22 will make a close pass (77.1 lunar distances, 0.1982 AU), travelling at 27.69 km/second, to the Earth-Moon system on the 9th March, 2011 @ 09:29 UT ±1 day 01:33.

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