T 2012 Feb. 7.840 TT MPC q 2.29869 (2000.0) P Q Peri. 265.318 +0.187830 +0.152427 Node 82.150 +0.288953 +0.935593 e 1.0 Incl. 78.373 -0.938736 +0.318484 From 15 observations 2010 June 22-23.
m1 = 8.5 + 5 logΔ + 10.0 log r