Epoch 2004 Dec. 21.0 TT = JDT 2453360.5 T 2004 Dec. 8.86804 TT MPC q 1.4183525 (2000.0) P Q n 0.09892068 Peri. 144.76408 +0.88076565 -0.43966589 a 4.6303235 Node 242.24240 +0.37591947 +0.87505618 e 0.6936818 Incl. 11.46619 +0.28798683 +0.20241191 P 9.96
m1 = 12.2 + 5 logΔ + 30 log r(t - 20)