* Astronomy

The 410 - 920 metre wide asteroid 2001 UX4 will make a close pass (58.4 lunar distances, 0.1501 AU), travelling at 21.50 km/second, to the Earth-Moon system on the 13th November, 2010 @ 22:07 UT.

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