Perturbed ephemeris below is based on elements from MPEC 2021-F20. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2462080.50000 2462080.4044427 201.03944 181.78639 9.94414 e q a Epoch (TT) 0.2674259 3.0366095 4.14512 2028/11/05.00
m1 = 8.0 + 5 log d + 17.0 log r