Epoch 2013 Jan. 28.0 TT = JDT 2456320.5 T 2013 Jan. 28.70990 TT MPC q 2.8797618 (2000.0) P Q n 0.12191754 Peri. 176.18916 -0.25681500 +0.92800708 a 4.0280228 Node 78.78044 -0.89382609 -0.12184423 e 0.2850682 Incl. 15.97179 -0.36758806 -0.35207505 P 8.08 From 2343 observations 2003 Feb. 1-2012 Sept. 14, mean residual 0".5.
m1 = -17.5 + 5 log d + 50 log r(t - 200) [ ,-490] ( - 2011 Sept.26) m1 = -0.5 + 5 log d + 25.0 log r [-490, ] (2011 Sept.26 - )