* Astronomy

The 25 - 57 metre wide asteroid 2008 NX will make a close pass (62.0 lunar distances, 0.1593 AU), travelling at 7.13 km/second, to the Earth-Moon system on the 7th August, 2011 @ 23:31 UT ±04:02.

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