Orbital elements:
2012 TT231 Earth MOID = 0.0173 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 334.52507 (2000.0) P Q
n 0.35927892 Peri. 274.21626 -0.34724226 -0.93714367
a 1.9596638 Node 196.23213 +0.90182861 -0.32364272
e 0.6480936 Incl. 7.07256 +0.25715358 -0.13044973
P 2.74 H 23.2 G 0.15 U 8
The 59 - 130 metre wide asteroid 2012 TT231 will make a close pass (15.2 lunar distances, 0.0390 AU), travelling at 18.24 km/second, to the Earth-Moon system on the 24th October, 2012 @ 11:24 UT ±00:01.