* Astronomy

2004 BG41 = 2008 AA31

The 35 - 77 metre wide asteroid 2004 BG41 will make a close pass (13.0 lunar distances, 0.0335 AU), travelling at 8.36 km/second, to the Earth-Moon system on the 14th December, 2011 @ 09:47 UT ±00:01.

The next return is on the 27th November, 2015.

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