Update: The 140 - 300 metre wide asteroid 2006 WO3 will make a close pass (60.8 lunar distances, 0.1563 AU), travelling at 13.38 km/second, to the Earth-Moon system on the 1st December, 2011 @ 16:06 UT ±00:01.
The 140 - 300 metre wide asteroid 2006 WO3 will make a close pass (60.8 lunar distances, 0.1563 AU), travelling at 13.38 km/second, to the Earth-Moon system on the 1st December, 2011 @ 16:45 UT ±01:42.