* Astronomy

The 170 - 380 metre wide asteroid 2003 GQ22 will make a close pass (45.9 lunar distances, 0.1179 AU), travelling at 10.48 km/second, to the Earth-Moon system on the 14th April, 2012 @ 17:06 UT ±00:51. 

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