* Astronomy

The 240 - 530 metre wide asteroid 1999 AQ10 will make a close pass (4.4 Lunar Distances, 0.0113 AU), travelling at 8.3km/s, to the Earth-Moon system on the 18th February 2009.
The asteroid will appears as a magnitude 13 'star' at closest approach.

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