Perturbed ephemeris below is based on elements from MPEC 2025-AH4. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2459160.50000 2459166.5890106 61.53122 328.72246 18.18612 e q a Epoch (TT) 0.1408262 2.6219879 3.05176 2020/11/07.00
m1 = 15.0 + 5 logΔ + 10.0 log r