Orbital elements:
1972 RB Earth MOID = 0.1018 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5 MPC
M 328.95552 (2000.0) P Q
n 0.31306416 Peri. 152.57440 +0.86511449 +0.50155622
a 2.1480637 Node 177.31111 -0.47526759 +0.82243483
e 0.4862320 Incl. 5.22857 -0.16030482 +0.26840699
P 3.15 H 19.2 G 0.15 U 3