Epoch 2009 Jan. 9.0 TT = JDT 2454840.5 T 2008 Dec. 30.13908 TT MPC q 2.9591145 (2000.0) P Q z +0.0017020 Peri. 104.48221 -0.17175918 -0.97485565 +/-0.0000231 Node 9.30792 -0.79516405 +0.05211640 e 0.9949635 Incl. 118.62665 +0.58156075 -0.21665720 From 490 observations 2008 Aug. 18-Oct. 19, mean residual 0".44.
m1 = 10.0 + 5 logΔ + 10.0 log r