The 220 - 500 metre wide asteroid 2012 OO will make a close pass (42.7 lunar distances, 0.1096 AU), travelling at 7.53 km/second, to the Earth-Moon system on the 7th August, 2012 @ 16:28 UT ±00:08.
Orbital elements:
2012 OO PHA, Earth MOID = 0.0370 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 15.38819 (2000.0) P Q
n 0.44920912 Peri. 179.95727 +0.94450983 +0.32732794
a 1.6885101 Node 160.86585 -0.30140231 +0.89691094
e 0.3806669 Incl. 4.81695 -0.13060563 +0.29733345
P 2.19 H 20.4 G 0.15 U 7