The 20 - 45 metre wide asteroid 2013 GH23 will make a close pass (5.5 lunar distances, 0.0140 AU), travelling at 10.61 km/second, to the Earth-Moon system on the 19th April, 2013 @ 14:20 UT ±09:35.
Orbital elements:
2013 GH23 Earth MOID = 0.0132 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5 MPC
M 347.55515 (2000.0) P Q
n 0.37743190 Peri. 18.18346 -0.34049476 +0.93983083
a 1.8963143 Node 231.91896 -0.86700735 -0.32533679
e 0.5123471 Incl. 2.03508 -0.36381532 -0.10427842
P 2.61 H 25.7 G 0.15 U 8