The 15 - 34 metre wide asteroid 2012 SX49 will make a close pass (57.2 lunar distances, 0.1470 AU), travelling at 4.56 km/second, to the Earth-Moon system on the 13th March, 2013 @ 09:49 UT ±12:05.
Orbital elements:
2012 SX49 Earth MOID = 0.0205 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 157.77918 (2000.0) P Q
n 1.06747395 Peri. 210.34683 -0.91319921 +0.40744432
a 0.9481954 Node 353.68369 -0.35883781 -0.81271347
e 0.1173490 Incl. 3.91141 -0.19313887 -0.41651643
P 0.92 H 26.2 G 0.15 U 6