Orbital elements:
2012 TA219 Earth MOID = 0.4504 AU
Epoch 2012 Oct. 20.0 TT = JDT 2456220.5 MPC
M 331.67293 (2000.0) P Q
n 0.22877192 Peri. 91.39618 -0.53852881 -0.80687814
a 2.6476927 Node 34.93921 +0.49963326 -0.53778191
e 0.5623221 Incl. 25.08034 +0.67849342 -0.24441416
P 4.31 H 18.0 G 0.15
From 15 observations 2012 Oct. 14-Nov. 11.