Epoch 2019 Dec. 23.0 TT = JDT 2458840.5 T 2019 Dec. 21.00957 TT Rudenko q 2.6606849 (2000.0) P Q n 0.08600626 Peri. 67.81951 -0.85281492 +0.51432701 a 5.0829519 Node 142.96100 -0.51712656 -0.80764808 e 0.4765473 Incl. 8.63259 -0.07271068 -0.28839609 P 11.5 From 46 observations 2020 May 24-July 18, mean residual 0".2.
m1 = 14.5 + 5 logΔ + 10.0 log r