* Astronomy

The 48 - 110 metre wide asteroid 2008 NA will make a close pass (63.1 lunar distances, 0.1620 AU), travelling at 12.01 km/second, to the Earth-Moon system on the 12th November, 2011 @ 14:24 UT ±08:41.

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