Perturbed ephemeris below is based on elements from MPEC 2023-D72. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2459520.50000 2459532.5010177 227.96905 321.88674 93.95350 e q a Epoch (TT) 0.9923407 5.3321363 696.16453 2021/11/02.00
m1 = -5.0 + 5 logΔ + 25.0 log r