Orbital elements:
2011 UD64 Earth MOID = 0.0270 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 280.21443 (2000.0) P Q
n 0.68072015 Peri. 249.41073 -0.20094428 -0.97453671
a 1.2798438 Node 212.68807 +0.95333148 -0.17117948
e 0.3132129 Incl. 10.61630 +0.22534527 -0.14483017
P 1.45 H 25.3 G 0.15 U 8
The 23 - 52 metre wide asteroid 2011 UD64 will make a close pass (11.0 lunar distances, 0.0282 AU), travelling at 9.56 km/second, to the Earth-Moon system on the 1st November, 2011 @ 16:43 UT ±00:51.