Orbital elements:
2011 NP Earth MOID = 0.2640 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 27.67738 (2000.0) P Q
n 0.49827276 Peri. 355.36229 +0.36599862 +0.73700737
a 1.5757644 Node 295.11212 -0.83237028 -0.01379976
e 0.1878070 Incl. 38.86788 -0.41617872 +0.67574381
P 1.98 H 19.6 G 0.15 U 8