The 9 - 19 metre wide asteroid 2011 SC16 will make a close pass (17.9 lunar distances, 0.0460 AU), travelling at 4.37 km/second, to the Earth-Moon system on the 25th September, 2011 @ 11:26 UT ±00:23.
Orbital elements:
2011 SC16 Earth MOID = 0.0459 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 335.37715 (2000.0) P Q
n 0.63173328 Peri. 192.60931 +0.97948284 -0.20151757
a 1.3451794 Node 179.00971 +0.19352710 +0.93776755
e 0.2224661 Incl. 6.68172 +0.05621954 +0.28281210
P 1.56 H 27.4 G 0.15 U 7