Orbital elements:
2010 SC41 PHA, Earth MOID = 0.0011 AU
Epoch 2014 May 23.0 TT = JDT 2456800.5 MPC
M 111.84411 (2000.0) P Q
n 0.38699145 Peri. 266.22545 -0.79987356 -0.60015762
a 1.8649555 Node 236.89333 +0.55234542 -0.73376392
e 0.6075970 Incl. 0.24768 +0.23476971 -0.31843576
P 2.55 H 19.9 G 0.15 U 2
The 290 - 640 metre wide asteroid 2010 SC41 will make a close pass (17.4 lunar distances, 0.0448 AU), travelling at 14.40 km/second, to the Earth-Moon system on the 8th December, 2010 @ 00:09 UT.