Perturbed ephemeris below is based on elements from unp . Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2461400.50000 2461403.1234023 30.41552 143.69407 34.27024 e q a Epoch (TT) 0.3212167 2.8120048 4.14271 2026/12/26.00
m1 = -2.3 + 5 logΔ + 44 log r(t - 150)