Orbital elements:
2012 DY Earth MOID = 0.0158 AU
Epoch 2012 Feb. 3.0 TT = JDT 2455960.5 MPC
M 347.03682 (2000.0) P Q
n 0.31109448 Peri. 31.09391 -0.99878716 +0.02259623
a 2.1571210 Node 150.10648 -0.03566603 -0.94454948
e 0.5492893 Incl. 5.03548 +0.03394326 -0.32759074
P 3.17 H 26.7 G 0.15
From 16 observations 2012 Feb. 19-19.
The 12 - 27 metre wide asteroid 2012 DY will make a close pass (9.2 lunar distances, 0.0237 AU), travelling at 9.36 km/second, to the Earth-Moon system on the 24th February, 2012 @ 08:19 UT ±00:43.