The 270 - 590 metre wide asteroid 2006 WJ3 will make a close pass (63.4 lunar distances, 0.1628 AU), travelling at 11.57 km/second, to the Earth-Moon system on the 26th October, 2013 @ 04:54 UT ±00:01.
Orbital elements:
2006 WJ3 PHA, Earth MOID = 0.0201 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 105.20575 (2000.0) P Q
n 0.42487454 Peri. 178.40144 +0.62807432 -0.74913491
a 1.7523825 Node 232.63203 +0.71097019 +0.66241596
e 0.4244390 Incl. 15.36039 +0.31629738 -0.00140883
P 2.32 H 20.0 G 0.15 U 0