Epoch 2018 Jan. 2.0 TT = JDT 2458120.5 T 2018 Jan. 8.03124 TT MPCW q 2.6480852 (2000.0) P Q n 0.00661577 Peri. 15.10799 +0.68513362 +0.68370728 a 28.1027693 Node 298.89801 -0.69453226 +0.50917809 e 0.9057714 Incl. 16.67886 -0.21958337 +0.52276383 P 149 From 235 observations 2017 May 26-Nov. 12, mean residual 0".4.
m1 = 9.0 + 5 log d + 10.0 log r