The 130 - 300 metre wide asteroid 2011 MC will make a close pass (28.6 lunar distances, 0.0735 AU), travelling at 17.19 km/second, to the Earth-Moon system on the 29th June, 2011 @ 21:32 UT ±00:01.
Orbital elements:
2011 MC Earth MOID = 0.0719 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 6.11658 (2000.0) P Q
n 0.24403455 Peri. 225.34014 +0.66995411 +0.61377907
a 2.5361124 Node 91.96748 -0.50592033 +0.78917162
e 0.6134188 Incl. 24.70224 -0.54332873 +0.02198640
P 4.04 H 21.5 G 0.15 U 7