Orbital elements:
2011 SQ32 Earth MOID = 0.0143 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 356.01421 (2000.0) P Q
n 0.24986784 Peri. 333.84227 +0.97188595 +0.23537511
a 2.4964860 Node 12.54841 -0.21087247 +0.88151848
e 0.5933453 Incl. 1.58802 -0.10474013 +0.40929663
P 3.94 H 25.0 G 0.15 U 7
The 27 - 61 metre wide asteroid 2011 SQ32 made a close pass (7.5 lunar distances, 0.0192 AU), travelling at 8.13 km/second, to the Earth-Moon system on the 20th September, 2011 @ 05:22 UT ±00:02.