Orbital elements:
1999 AU23 Earth MOID = 0.4015 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 64.86394 (2000.0) P Q
n 0.31005872 Peri. 117.88760 +0.57088223 -0.75620622
a 2.1619223 Node 293.66335 +0.57531625 +0.64629884
e 0.4114035 Incl. 20.43302 +0.58575139 +0.10222506
P 3.18 H 17.7 G 0.15 U 3