Perturbed ephemeris below is based on elements from MPEC 2022-M21. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2457680.50000 2457676.9343558 355.90139 320.78484 29.92660 e q a Epoch (TT) 0.9817754 5.8918887 323.29393 2016/10/19.00
m1 = 10.5 + 5 logΔ + 10.0 log r