Perturbed ephemeris below is based on elements from MPEC 2022-K19. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2459880.50000 2459876.3280856 221.66635 162.96568 5.99955 e q a Epoch (TT) 0.4241046 2.1258464 3.69138 2022/10/28.00
m1 = 11.5 + 5 logΔ + 10.0 log r(t + 65)