Orbital elements:
2011 WO41 Earth MOID = 0.1745 AU
Epoch 2011 Nov. 15.0 TT = JDT 2455880.5 MPC
M 320.89760 (2000.0) P Q
n 0.37952619 Peri. 139.14616 -0.31823037 +0.89326789
a 1.8893317 Node 110.09706 -0.93375614 -0.23748001
e 0.6302351 Incl. 19.75983 -0.16379531 -0.38167490
P 2.60 H 16.8 G 0.15
From 24 observations 2011 Nov. 23-26.