Perturbed ephemeris below is based on elements from MPEC 2019-VB6. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2461160.50000 2461144.1359973 0.02674 84.10915 30.49758 e q a Epoch (TT) 0.5395171 1.5967891 3.46764 2026/04/30.00
m1 = 13.5 + 5 logΔ + 17.0 log r(t - 50)