* Astronomy

The 18 - 40 metre wide asteroid 2014 BU32 made a close pass (29.1 lunar distances, 0.0748 AU), travelling at 4.77 km/second, to the Earth-Moon system on the 25th January 2014 @ 11:41 UT ±04:26. 

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