The 22 - 49 metre wide asteroid 2014 EM will make a close pass (4.3 lunar distances, 0.0111 AU), travelling at 11.67 km/second, to the Earth-Moon system on the 15th March, 2014 @ 04:59 UT ±00:01.
Orbital elements:
2014 EM Earth MOID = 0.0057 AU
Epoch 2013 Nov. 4.0 TT = JDT 2456600.5 MPC
M 302.75828 (2000.0) P Q
n 0.34982729 Peri. 227.05941 -0.78807425 +0.61547274
a 1.9948041 Node 350.90612 -0.54147504 -0.70197027
e 0.5466192 Incl. 4.17302 -0.29282034 -0.35837277
P 2.82 H 25.1 G 0.15 U 7