* Astronomy

The 4 - 9 metre wide asteroid 2003 SW130 will make a close pass (38.1 lunar distances, 0.0980 AU), travelling at 6.62 km/second, to the Earth-Moon system on the 28th September, 2013 @ 20:13 UT ±03:00. 

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