Perturbed ephemeris below is based on elements from MPEC 2023-B57. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2458560.50000 2458550.2184715 47.77151 312.39474 9.36834 e q a Epoch (TT) 0.0430298 5.7668204 6.02612 2019/03/18.00
m1 = 4.0 + 5 logΔ + 7.5 log r