Perturbed ephemeris below is based on elements from MPEC 2026-FC3. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2460680.50000 2460685.4608051 116.67610 339.66249 49.77128 e q a Epoch (TT) 1.0045438 5.3976083 2025/01/05.00
m1 = -0.6 + 5 logΔ + 20.0 log r(t - 100)