Orbital elements:
2011 QF48 Earth MOID = 0.0068 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 13.62025 (2000.0) P Q
n 0.31765829 Peri. 112.36386 -0.02505538 +0.98735222
a 2.1273025 Node 154.62956 -0.99761975 -0.01463168
e 0.6353896 Incl. 21.43036 -0.06424227 -0.15786549
P 3.10 H 25.4 G 0.15 U 7
The 22 - 49 metre wide asteroid 2011 QF48 made a close pass (3.4 lunar distances, 0.0087 AU), travelling at 20.09 km/second, to the Earth-Moon system on the 27th August, 2011 @ 23:15 UT ±00:01.