The 330 - 740 metre wide asteroid 2011 SD173 will make a close pass (74.9 lunar distances, 0.1925 AU), travelling at 10.72 km/second, to the Earth-Moon system on the 6th June, 2013 @ 16:14 UT ±00:02.
Orbital elements:
2011 SD173 PHA, Earth MOID = 0.0111 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 59.43686 (2000.0) P Q
n 0.47492697 Peri. 56.14829 -0.17536804 +0.98397369
a 1.6269898 Node 203.81408 -0.92761564 -0.17612916
e 0.5005892 Incl. 4.58511 -0.32981097 -0.02782616
P 2.08 H 19.4 G 0.15 U 9
