Orbital elements:
2013 OO3 Earth MOID = 0.2221 AU
Epoch 2013 July 7.0 TT = JDT 2456480.5 MPC
M 340.39246 (2000.0) P Q
n 0.22445360 Peri. 239.01995 +0.93704257 -0.21969302
a 2.6815445 Node 132.12003 +0.26547216 +0.95315418
e 0.5945461 Incl. 21.46703 -0.22688269 +0.20792327
P 4.39 H 21.7 G 0.15
From 6 observations 2013 July 16-18.