Perturbed ephemeris below is based on elements from MPEC 2022-C56. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2459280.50000 2459276.1992346 112.27621 139.52078 121.86226 e q a Epoch (TT) 0.9982549 5.9464958 3407.60446 2021/03/07.00
m1 = -7.0 + 5 logΔ + 25 log r