Perturbed ephemeris below is based on elements from MPEC 2022-PB4. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2458960.50000 2458950.1072956 123.42530 179.78311 11.54631 e q a Epoch (TT) 0.1358660 4.5780244 5.29782 2020/04/21.00
m1 = -12 + 5 logΔ + 40 log r(t - 160)