The 120 - 270 metre wide asteroid 2012 TH79 will make a close pass (54.1 lunar distances, 0.1390 AU), travelling at 9.25 km/second, to the Earth-Moon system on the 5th December, 2012 @ 17:43 UT ±21:12.
Orbital elements:
2012 TH79 Earth MOID = 0.0774 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 342.71348 (2000.0) P Q
n 0.23411398 Peri. 287.86324 +0.09313973 -0.99424828
a 2.6072609 Node 156.59886 +0.95646660 +0.07459669
e 0.6464849 Incl. 7.64996 +0.27658025 +0.07684849
P 4.21 H 21.8 G 0.15 U 7