The 4 - 9 metre wide asteroid 2014 EC made a close pass (0.4 lunar distances, 0.0011 AU), travelling at 15.09 km/second, to the Earth-Moon system on the 6th March 2014 @ 03:20 UT ±00:01.
Orbital elements:
2014 EF Earth MOID = 0.0008 AU
Epoch 2013 Nov. 4.0 TT = JDT 2456600.5 MPC
M 251.41390 (2000.0) P Q
n 0.61943974 Peri. 265.52230 -0.33997278 +0.94017126
a 1.3629189 Node 344.54579 -0.82627406 -0.30993390
e 0.4893767 Incl. 4.79681 -0.44909876 -0.14148846
P 1.59 H 29.0 G 0.15 U 6