The 120 - 260 metre wide asteroid 2012 CL19 will make a close pass (38.0 lunar distances, 0.0976 AU), travelling at 7.89 km/second, to the Earth-Moon system on the 20th December, 2013 @ 17:17 UT ±00:19.
Orbital elements:
2012 CL19 PHA, Earth MOID = 0.0122 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 42.96950 (2000.0) P Q
n 0.49768526 Peri. 294.93246 +0.43993742 -0.89716612
a 1.5770043 Node 128.91005 +0.84108886 +0.39629493
e 0.4469083 Incl. 2.89830 +0.31468174 +0.19504688
P 1.98 H 21.7 G 0.15 U 8