Orbital elements:
2008 NB Earth MOID = 0.2882 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 20.78926 (2000.0) P Q
n 0.25583498 Peri. 75.94843 +0.94022968 +0.00029576
a 2.4575146 Node 283.17913 -0.16174676 +0.88038949
e 0.5550190 Incl. 20.47218 +0.29967671 +0.47425127
P 3.85 H 19.3 G 0.15 U 1