Perturbed ephemeris below is based on elements from MPEC 2020-SI8. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2461800.50000 2461812.1090695 132.74064 109.83306 13.66839 e q a Epoch (TT) 0.1565977 3.8274018 4.53805 2028/01/30.00
m1 = 5.0 + 5 log d + 20.0 log r