Orbital elements:
1998 WL4 Earth MOID = 0.2190 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 20.52739 (2000.0) P Q
n 0.42033587 Peri. 41.48019 -0.08107979 +0.95308056
a 1.7649744 Node 226.20920 -0.98733310 -0.11684085
e 0.7333985 Incl. 23.83025 -0.13637965 +0.27925914
P 2.34 H 19.5 G 0.15 U 5
