* Astronomy

The 60 - 130 metre wide asteroid 2014 BQ43 will make a close pass (21.3 lunar distances, 0.0548 AU), travelling at 15.38 km/second, to the Earth-Moon system on the 15th February 2014 @ 00:36 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).