* Astronomy

The 48 - 110 metre wide asteroid 2014 DO7 will make a close pass (27.4 lunar distances, 0.0704 AU), travelling at 9.27 km/second, to the Earth-Moon system on the 6th March 2014 @ 04:34 UT ±00:01. 

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