Orbital elements:
2011 OB26 Earth MOID = 0.0011 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 348.95706 (2000.0) P Q
n 0.46350191 Peri. 234.92292 +0.97149667 -0.23618187
a 1.6536174 Node 138.72778 +0.22628161 +0.89841477
e 0.4768267 Incl. 1.76409 +0.07064603 +0.37022833
P 2.13 H 25.7 G 0.15 U 6
The 20 - 46 metre wide asteroid 2011 OB26 will make a close pass (10.7 lunar distances, 0.0276 AU), travelling at 11.79 km/second, to the Earth-Moon system on the 6th August, 2011 @ 18:04 UT ±00:01.