Epoch 2021 Mar. 7.0 TT = JDT 2459280.5 T 2021 Feb. 27.60605 TT Rudenko q 0.9017137 (2000.0) P Q z +0.0108739 Peri. 72.21905 +0.81190082 -0.43236737 +/-0.0003929 Node 311.27325 +0.08331220 +0.75086383 e 0.9901948 Incl. 31.46194 +0.57782015 +0.49926142 From 238 observations 2021 Feb. 28-Mar. 24, mean residual 0".9.
m1 = 10.5 + 5 log d + 10.0 log r