Update: The 66 - 150 metre wide asteroid 2011 UT91 will make a close pass (9.9 lunar distances, 0.0253 AU), travelling at 12.22 km/second, to the Earth-Moon system on the 15th November, 2011 @ 01:17 UT ±00:01.
Orbital elements:
2011 UT91 Earth MOID = 0.0079 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 281.18652 (2000.0) P Q
n 0.61585731 Peri. 247.10089 -0.45692857 -0.87000585
a 1.3681991 Node 231.41708 +0.87797445 -0.40770381
e 0.4134780 Incl. 13.70612 +0.14274855 -0.27724976
P 1.60 H 23.2 G 0.15 U 9
The 60 - 130 metre wide asteroid 2011 UT91 will make a close pass (9.7 lunar distances, 0.0250 AU), travelling at 12.39 km/second, to the Earth-Moon system on the 14th November, 2011 @ 17:17 UT ±1 day 09:46.