Perturbed ephemeris below is based on elements from MPEC 2025-WD0. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2458480.50000 2458471.9500422 69.17675 358.43515 1.33860 e q a Epoch (TT) 0.4456563 2.0163458 3.63736 2018/12/28.00
m1 = 18.0 + 5 logΔ + 10.0 log r