The 120 - 260 metre wide asteroid 2010 PU66 will make a close pass (69.3 lunar distances, 0.1780 AU), travelling at 11.60 km/second, to the Earth-Moon system on the 20th August, 2010 @ 07:07 UT.
Orbital elements: 2010 PU66 Earth MOID = 0.1449 AU Epoch 2010 July 23.0 TT = JDT 2455400.5 MPC M 19.16748 (2000.0) P Q n 0.55178882 Peri. 267.29471 -0.20365963 +0.97772994 a 1.4721570 Node 350.48860 -0.73134716 -0.18633451 e 0.3841889 Incl. 17.85480 -0.65088716 -0.09655884 P 1.79 H 21.8 G 0.15 U 9