Orbital elements:
2014 SE Earth MOID = 0.0355 AU
Epoch 2014 Dec. 9.0 TT = JDT 2457000.5 MPC
M 44.90105 (2000.0) P Q
n 0.71147918 Peri. 22.53737 +0.96818545 -0.24458143
a 1.2426856 Node 351.11098 +0.14332812 +0.71526857
e 0.1718069 Incl. 20.01420 +0.20511943 +0.65465319
P 1.39 H 25.2 G 0.15 U 7
The 24 - 54 metre wide asteroid 2014 SE made a close pass (13.9 lunar distances, 0.0357 AU), travelling at 10.82 km/second, to the Earth-Moon system on the 15th September, 2014 @ 05:29 UT ±00:01.