* Astronomy

The 40 - 89 metre wide asteroid 2004 XG will make a close pass (76.6 lunar distances, 0.1968 AU), travelling at 14.23 km/second, to the Earth-Moon system on the 14th February, 2012 @ 12:03 UT ±04:18. 

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