The 210 - 460 metre wide asteroid 2012 HS15 will make a close pass (70.2 lunar distances, 0.1804 AU), travelling at 11.54 km/second, to the Earth-Moon system on the 14th August, 2012 @ 11:07 UT ±00:01.
Orbital elements:
2012 HS15 Earth MOID = 0.0711 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 317.62055 (2000.0) P Q
n 0.31402274 Peri. 155.63201 +0.37976759 +0.91937716
a 2.1436900 Node 136.49104 -0.87132310 +0.39274199
e 0.5007167 Incl. 8.56865 -0.31076139 +0.02234667
P 3.14 H 20.4 G 0.15 U 8