Orbital elements:
2012 TR20 Earth MOID = 0.0469 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 0.18062 (2000.0) P Q
n 0.26017179 Peri. 168.71240 +0.99348741 -0.08848817
a 2.4301286 Node 196.87304 +0.07538164 +0.98285129
e 0.5718859 Incl. 14.31827 +0.08544219 +0.16178131
P 3.79 H 24.4 G 0.15 U 7
The 35 - 78 metre wide asteroid 2012 TR20 made a close pass (18.6 lunar distances, 0.0477 AU), travelling at 10.81 km/second, to the Earth-Moon system on the 5th October, 2012 @ 23:02 UT ±00:14.