Perturbed ephemeris below is based on elements from MPEC 2025-EB9. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2462120.50000 2462102.6365948 315.42968 256.58236 5.34325 e q a Epoch (TT) 0.1782683 7.3164250 8.90367 2028/12/15.00
m1 = 7.5 + 5 logΔ + 10.0 log r