Perturbed ephemeris below is based on elements from MPEC 2021-R75. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2460680.50000 2460667.7033781 244.90869 180.29711 32.42899 e q a Epoch (TT) 0.2826915 3.9716016 5.53681 2025/01/05.00
m1 = 1.0 + 5 logΔ + 22.5 log r(t - 120)