* Astronomy

The 130 - 290 metre wide asteroid 2001 OT will make a close pass (54.8 lunar distances, 0.1407 AU), travelling at 8.47 km/second, to the Earth-Moon system on the 23rd July, 2010 @ 06:48 UT.

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