Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 T 2021 Apr. 18.64714 TT Rudenko q 3.3538695 (2000.0) P Q z -0.0002346 Peri. 341.75141 -0.47247269 -0.76116945 +/-0.0000002 Node 226.60190 -0.71314146 +0.03396314 e 1.0007867 Incl. 142.30471 -0.51787916 +0.64766316 >From 1532 observations 2020 May 1-2022 Nov. 27, mean residual 1".1.
m1 = 2.5 + 5 log d + 15.0 log r(t - 90)