Perturbed ephemeris below is based on elements from MPEC 2023-XP6. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2459160.50000 2459143.3847517 194.04872 94.51315 19.09661 e q a Epoch (TT) 0.4702810 3.3808610 6.38237 2020/11/07.00
m1 = 10.5 + 5 log d + 7.5 log r(t - 1000)