Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 T 2012 Oct. 5.48133 TT Rudenko q 2.2096383 (2000.0) P Q n 0.13201334 Peri. 58.69321 +0.74752783 +0.64865834 a 3.8199484 Node 260.45738 -0.64800362 +0.66487874 e 0.4215529 Incl. 8.33673 -0.14592276 +0.37037631 P 7.47 From 129 observations 2005 Oct. 7-2020 Nov. 14, mean residual 0".8.
m1 = 16.0 + 5 logΔ + 10.0 log r