* Astronomy

Orbital elements:
2012 TF146                                               Earth MOID = 0.0749 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 350.66858              (2000.0)            P               Q
n   0.31321368     Peri.   17.05840     +0.79272977     -0.60899416
a   2.1473800      Node    20.52802     +0.55006153     +0.69587717
e   0.5036714      Incl.    4.34443     +0.26270104     +0.38063247
P   3.15           H   25.6           G   0.15           U   7

MPEC 2012 - T87

The 20 - 44 metre wide asteroid 2012 TF146 will make a close pass (29.2 lunar distances, 0.0750 AU), travelling at 5.96 km/second, to the Earth-Moon system on the 24th October, 2012 @ 03:06 UT ±00:24. 

See more

The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).