The 67 - 150 metre wide asteroid 2012 AC3 will make a close pass (28.3 lunar distances, 0.0726 AU), travelling at 5.88 km/second, to the Earth-Moon system on the 23rd January, 2012 @ 10:25 UT ±00:26.
Orbital elements:
2012 AC3 Earth MOID = 0.0659 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 18.15750 (2000.0) P Q
n 0.44292650 Peri. 208.97939 -0.66185848 -0.73885858
a 1.7044396 Node 282.76875 +0.71036568 -0.56423518
e 0.3949921 Incl. 7.45951 +0.23942420 -0.36841100
P 2.23 H 23.0 G 0.15 U 8