The 250 - 550 metre wide asteroid 2013 BO76 will make a close pass (20.5 lunar distances, 0.0527 AU), travelling at 12.00 km/second, to the Earth-Moon system on the 30th July, 2013 @ 02:57 UT ±00:08.
Orbital elements:
2013 BO76 PHA, Earth MOID = 0.0284 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5 MPC
M 333.55593 (2000.0) P Q
n 0.44346165 Peri. 4.26006 -0.38924299 +0.92064252
a 1.7030680 Node 242.83490 -0.84612215 -0.37027878
e 0.5196343 Incl. 1.94012 -0.36409779 -0.12373756
P 2.22 H 20.2 G 0.15 U 7