Epoch 2007 Sept. 17.0 TT = JDT 2454360.5 T 2007 Sept. 19.02181 TT MPC q 0.6958709 (2000.0) P Q n 0.18146008 Peri. 358.54346 +0.99898607 -0.04339197 a 3.0899301 Node 4.00307 +0.04284831 +0.83461252 e 0.7747940 Incl. 9.89707 +0.01381513 +0.54912574 P 5.43
m1 = 18.5 + 5 logΔ + 5.0 log r