Orbital elements:
2011 OC57 Earth MOID = 0.1486 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 6.11645 (2000.0) P Q
n 0.31887408 Peri. 0.71888 +0.72811665 +0.68094414
a 2.1218918 Node 316.01452 -0.62945379 +0.61890000
e 0.4521148 Incl. 6.48975 -0.27135599 +0.39150718
P 3.09 H 24.5 G 0.15 U 6