The 15 - 33 metre wide asteroid 2011 TO will make a close pass (33.6 lunar distances, 0.0864 AU), travelling at 6.28 km/second, to the Earth-Moon system on the 21st January, 2013 @ 08:12 UT ±01:47.
Orbital elements:
2011 TO Earth MOID = 0.0006 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 138.50643 (2000.0) P Q
n 1.10641402 Peri. 57.15657 -0.45766616 +0.88911598
a 0.9258151 Node 185.61082 -0.82820532 -0.42786125
e 0.2799855 Incl. 2.22955 -0.32344650 -0.16250393
P 0.89 H 26.3 G 0.15 U 4
Orbital elements:
2011 TO Earth MOID = 0.0005 AU
Epoch 2011 Sept. 16.0 TT = JDT 2455820.5 MPC
M 78.14190 (2000.0) P Q
n 1.10686501 Peri. 57.17826 -0.45612112 +0.88990949
a 0.9255636 Node 185.68864 -0.82884137 -0.42637791
e 0.2783258 Incl. 2.21167 -0.32399925 -0.16205858
P 0.89 H 26.1 G 0.15
From 20 observations 2011 Oct. 1-2.