* Astronomy

The 200 - 450 metre wide asteroid 2013 PN43 will make a close pass (60.2 lunar distances, 0.1548 AU), travelling at 12.34 km/second, to the Earth-Moon system on the 29th September, 2013 @ 03:51 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).