* Astronomy

The 400 - 900 metre wide asteroid 2014 DU110 will make a close pass (45.9 lunar distances, 0.1179 AU), travelling at 18.57 km/second, to the Earth-Moon system on the 4th March 2014 @ 00:40 UT ±00:03. 

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