The 590 - 1300 metre wide asteroid 2003 BK47 will make a close pass (77.6 lunar distances, 0.1994 AU), travelling at 24.59km/second, to the Earth-Moon system on the 26th July, 2011 @ 13:44 UT ±00:02.
Orbital elements:
2003 BK47 PHA, Earth MOID = 0.0282 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 358.27481 (2000.0) P Q
n 0.21720186 Peri. 235.03251 +0.93483017 -0.26895348
a 2.7409032 Node 139.12712 +0.30305117 +0.94458596
e 0.7086542 Incl. 20.75118 -0.18507443 +0.18820570
P 4.54 H 18.2 G 0.15 U 3