Orbital elements:
2011 OS15 Earth MOID = 0.1413 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 24.05800 (2000.0) P Q
n 0.42708977 Peri. 171.46899 +0.23264279 +0.96863643
a 1.7463178 Node 111.94774 -0.89777021 +0.24840375
e 0.3371431 Incl. 5.40058 -0.37401333 +0.00624789
P 2.31 H 24.1 G 0.15 U 8