The 230 - 510 metre wide asteroid 2009 OC will make a close pass (70.3 Lunar Distances, 0.1805 AU), travelling at 4.04 km/s, to the Earth-Moon system on the 10th August, 2009.
Orbital elements: 2009 OC = 2006 TE1 Earth MOID = 0.1774 AU Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC M 344.09379 (2000.0) P Q n 0.31577877 Peri. 137.98410 +0.72628352 +0.68739246 a 2.1357353 Node 178.58725 -0.64999330 +0.68769301 e 0.4465533 Incl. 4.57202 -0.22365366 +0.23360208 P 3.12 H 20.3 G 0.15 U 3
Orbital elements: 2009 OC Earth MOID = 0.1926 AU Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC M 346.89333 (2000.0) P Q n 0.29771482 Peri. 124.44535 +0.65272628 +0.75754787 a 2.2212754 Node 186.32187 -0.71756873 +0.61467122 e 0.4619778 Incl. 4.34614 -0.24298874 +0.21977378 P 3.31 H 20.4 G 0.15 U 8