Orbital elements:
2011 OM5 Earth MOID = 0.1819 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 358.43359 (2000.0) P Q
n 0.23536772 Peri. 13.41668 +0.92053670 +0.36959839
a 2.5979939 Node 324.06228 -0.37536719 +0.74710878
e 0.5427110 Incl. 12.44980 -0.10822040 +0.55247217
P 4.19 H 21.0 G 0.15 U 7
The 170 - 380 metre wide asteroid 2011 OM5 will make a close pass (72.7 lunar distances, 0.1869 AU), travelling at 8.07 km/second, to the Earth-Moon system on the 25th August, 2011 @ 12:58 UT ±10:19.