Orbital elements:
2012 ES14 Earth MOID = 0.1641 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 339.46987 (2000.0) P Q
n 0.24633736 Peri. 77.75641 -0.06236024 +0.99567200
a 2.5202823 Node 189.51238 -0.99798794 -0.06141476
e 0.6497925 Incl. 24.64359 +0.01145696 +0.06975316
P 4.00 H 20.0 G 0.15 U 8
The 270 - 590 metre wide asteroid 2012 ES14 will make a close pass (72.5 lunar distances, 0.1863 AU), travelling at 17.76 km/second, to the Earth-Moon system on the 18th April, 2012 @ 13:31 UT ±02:58.