* Astronomy

The 15 - 33 metre wide asteroid 2014 CB13 will make a close pass (20.5 lunar distances, 0.0526 AU), travelling at 5.62 km/second, to the Earth-Moon system on the 15th February 2014 @ 06:47 UT ±00:58. 

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