* Astronomy

The 44 - 98 metre wide asteroid 2013 YL48 will make a close pass (37.4 lunar distances, 0.0962 AU), travelling at 8.10 km/second, to the Earth-Moon system on the 8th January 2014 @ 01:18 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).