The 68 - 150 metre wide asteroid 2012 GC2 will make a close pass (18.2 lunar distances, 0.0467 AU), travelling at 11.79 km/second, to the Earth-Moon system on the 23rd April, 2012 @ 11:02 UT ±00:19.
Orbital elements:
2012 GC2 Earth MOID = 0.0453 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 310.20265 (2000.0) P Q
n 0.56151375 Peri. 70.53691 +0.05965912 +0.99439312
a 1.4551099 Node 203.40911 -0.97832133 +0.04086917
e 0.3943397 Incl. 12.69512 -0.19831329 +0.09752970
P 1.76 H 23.0 G 0.15 U 7