Update: The 48 - 110 metre wide asteroid 2013 CZ133 will make a close pass (61.6 lunar distances, 0.1584 AU), travelling at 2.63 km/second, to the Earth-Moon system on the 24th February, 2013 @ 00:01 UT ±10:46.
The 51 - 110 metre wide asteroid 2013 CZ133 will make a close pass (61.7 lunar distances, 0.1585 AU), travelling at 2.63 km/second, to the Earth-Moon system on the 24th February, 2013 @ 01:01 UT ±1 day 07:14.
Orbital elements:
2013 CZ133 Earth MOID = 0.1588 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5 MPC
M 26.88298 (2000.0) P Q
n 0.47401511 Peri. 168.71254 -0.88052879 -0.47355250
a 1.6290757 Node 342.97681 +0.42926805 -0.77843371
e 0.2953125 Incl. 4.00014 +0.20099252 -0.41205459
P 2.08 H 23.6 G 0.15 U 7