Orbital elements:
2011 XZ1 Earth MOID = 0.1498 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 116.49658 (2000.0) P Q
n 0.31528844 Peri. 36.11295 +0.63863820 +0.76071117
a 2.1379490 Node 273.87506 -0.73046471 +0.55189229
e 0.4622247 Incl. 6.67758 -0.24199703 +0.34166274
P 3.13 H 17.5 G 0.15 U 4
Orbital elements:
2011 XZ1 PHA, Earth MOID = 0.0464 AU
Epoch 2011 Dec. 5.0 TT = JDT 2455900.5 MPC
M 88.29571 (2000.0) P Q
n 0.31493820 Peri. 30.74738 +0.54987382 +0.82380176
a 2.1395338 Node 272.94666 -0.79164789 +0.46142096
e 0.5172371 Incl. 7.93124 -0.26633139 +0.32930435
P 3.13 H 17.4 G 0.15
From 19 observations 2011 Dec. 6-8.