* Astronomy

The 240 - 530 metre wide asteroid 2003 DX10 will make a close pass (67.6 lunar distances, 0.1738 AU), travelling at 9.04 km/second, to the Earth-Moon system on the 12th July, 2011 @ 19:11 UT ±00:01.

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