Epoch 2007 Sept. 17.0 TT = JDT 2454360.5 T 2007 Sept. 11.31967 TT MPC q 0.0537196 (2000.0) P Q n 0.24695650 Peri. 48.56551 +0.66113917 -0.75026326 a 2.5160682 Node 0.04886 +0.60643757 +0.53425211 e 0.9786494 Incl. 12.64000 +0.44173348 +0.38946081 P 3.99
m1 = 27.8 + 5 log d + 17.5 log r(t - 0.17)