Update: The 72 - 160 metre wide asteroid 2013 DZ made a close pass (77.3 lunar distances, 0.1986 AU), travelling at 3.64 km/second, to the Earth-Moon system on the 19th March, 2013 @ 14:54 UT ±00:31.
The 72 - 160 metre wide asteroid 2013 DZ will make a close pass (77.3 lunar distances, 0.1986 AU), travelling at 3.72 km/second, to the Earth-Moon system on the 20th March, 2013 @ 09:13 UT ±3 days 06:34.
Orbital elements:
2013 DZ Earth MOID = 0.1945 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5 MPC
M 7.89525 (2000.0) P Q
n 0.26774173 Peri. 284.25981 -0.99783833 -0.05311199
a 2.3841048 Node 252.70675 +0.06396130 -0.92011279
e 0.5027188 Incl. 2.32304 -0.01508736 -0.38803553
P 3.68 H 22.8 G 0.15 U 8