* Astronomy

The 20 - 44 metre wide asteroid 2004 SW26 will make a close pass (47.0 lunar distances, 0.1209 AU), travelling at 12.43 km/second, to the Earth-Moon system on the 6th October, 2011 @ 15:23 UT ±1 day 05:44.

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