The 370 - 820 metre wide asteroid 2000 WO107 will make a close pass (72.9 lunar distances, 0.1874 AU), travelling at 31.93 km/second, to the Earth-Moon system on the 6th December 2013 @ 18:05 UT ±00:01.
The 390 - 870 metre wide asteroid 2000 WO107 will make a close pass (56.9 lunar distances, 0.1462 AU), travelling at 28.19 km/second, to the Earth-Moon system on the 4th February, 2011 @ 19:42 UT ±00:01.
(153201) 2000 WO107 (2011 January, H = 19.0) There are no known lightcurve parameters for this near-Earth asteroid. The estimated diameter is 0.4 km. This is a potentially hazardous asteroid (PHA).