The 180 - 410 metre wide asteroid 2008 UX will make a close pass (49.0 lunar distances, 0.1259 AU) travelling at 24.34 km/second, to the Earth-Moon system on the 8th November 2014 @ 19:30 UT ±00:01.
The 190 - 430 metre wide asteroid 2008 UX will make a close pass (57.0 lunar distances, 0.1464 AU), travelling at 18.71 km/second, to the Earth-Moon system on the 10th November, 2011 @ 17:20 UT ±00:10.