Orbital elements:
2011 QE38 Earth MOID = 0.0429 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 345.55573 (2000.0) P Q
n 0.26288578 Peri. 63.11098 +0.85163800 -0.52391769
a 2.4133741 Node 328.47795 +0.47017949 +0.77625473
e 0.5731645 Incl. 1.63663 +0.23161167 +0.35062637
P 3.75 H 22.2 G 0.15 U 7
The 100 - 230 metre wide asteroid 2011 QE38 will make a close pass (24.0 lunar distances, 0.0616 AU), travelling at 7.91 km/second, to the Earth-Moon system on the 5th October, 2011 @ 17:08 UT ±17:02.