The 110 - 250 metre wide asteroid 2011 QG21 will make a close pass (20.3 LD, 0.0521 AU) travelling at 16.50 km/second, to the Earth-Moon system on the 11th August 2015 @ 08:28 UT ±05:02.
Orbital elements:
2011 QG21 Earth MOID = 0.0517 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 64.27848 (2000.0) P Q
n 0.73602632 Peri. 254.88104 -0.73730768 +0.64993811
a 1.2148999 Node 325.05967 -0.42685137 -0.65962833
e 0.4382993 Incl. 18.76910 -0.52361750 -0.37745320
P 1.34 H 22.1 G 0.15 U 8
