Perturbed ephemeris below is based on elements from MPEC 2025-ST8. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2460680.50000 2460685.4548350 116.67549 339.66240 49.77131 e q a Epoch (TT) 1.0045421 5.3976120 2025/01/05.00
m1 = -0.6 + 5 logΔ + 20.0 log r(t - 100)