The 64 - 140 metre wide asteroid 2011 QX8 will make a close pass (45.0 lunar distances, 0.1155 AU), travelling at 6.78 km/second, to the Earth-Moon system on the 26th August, 2011 @ 02:14 UT ±02:53.
Orbital elements:
2011 QX8 Earth MOID = 0.1149 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 358.85265 (2000.0) P Q
n 0.42571704 Peri. 183.65662 +0.90449495 +0.41620322
a 1.7500698 Node 151.17656 -0.38623074 +0.89193710
e 0.3569859 Incl. 11.13175 -0.18087205 +0.17670054
P 2.32 H 23.2 G 0.15 U 8