The 220 - 490 metre wide asteroid 2012 ER14 will make a close pass (34.2 lunar distances, 0.0879 AU), travelling at 6.66 km/second, to the Earth-Moon system on the 23rd October, 2013 @ 02:47 UT ±00:01.
Orbital elements:
2012 ER14 PHA, Earth MOID = 0.0496 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 76.35060 (2000.0) P Q
n 0.47137408 Peri. 14.27501 +0.65780725 -0.75021200
a 1.6351550 Node 34.66608 +0.67899189 +0.55224192
e 0.3661245 Incl. 6.75157 +0.32597491 +0.36360807
P 2.09 H 20.3 G 0.15 U 8