* Astronomy

The 82 - 180 metre wide asteroid 2013 TB6 made a close pass (34.2 lunar distances, 0.0878 AU), travelling at 12.63 km/second, to the Earth-Moon system on the 9th October 2013 @ 20:20 UT ±00:05. 

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