* Astronomy

The 300 - 670 metre wide asteroid 2008 DG17 will make a close pass (36.8 lunar distances, 0.0946 AU), travelling at 23.24 km/second, to the Earth-Moon system on the 16th February, 2013 @ 09:25 UT ±07:22. 

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