Orbital elements:
2013 GR66 Earth MOID = 0.2239 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5 MPC
M 353.91893 (2000.0) P Q
n 0.22846833 Peri. 205.45982 -0.56120507 +0.80405036
a 2.6500376 Node 31.53198 -0.68060263 -0.31331569
e 0.5457262 Incl. 22.05161 -0.47098719 -0.50530812
P 4.31 H 21.1 G 0.15 U 8