Perturbed ephemeris below is based on elements from MPEC 2021-TD0. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2461400.50000 2461389.7997776 105.21380 239.12137 10.06616 e q a Epoch (TT) 0.2406166 2.3076305 3.03882 2026/12/26.00
m1 = 5.0 + 5 log d + 40 log r(t - 50)