Orbital elements:
2012 DH4 Earth MOID = 0.0610 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 343.11103 (2000.0) P Q
n 0.34569199 Peri. 68.63011 -0.52503103 +0.84983898
a 2.0106810 Node 169.33470 -0.84349313 -0.51238577
e 0.5726602 Incl. 14.39232 -0.11340967 -0.12342823
P 2.85 H 20.6 G 0.15 U 8
The 210 - 460 metre wide asteroid 2012 DH4 will make a close pass (24.0 lunar distances, 0.0617 AU), travelling at 15.25 km/second, to the Earth-Moon system on the 21st March, 2012 @ 17:05 UT ±10:06.