Perturbed ephemeris below is based on elements from MPEC 2023-XP6. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2461920.50000 2461906.9292588 216.41452 283.16703 29.27880 e q a Epoch (TT) 0.8260956 0.5168988 2.97232 2028/05/29.00
m1 = 16.0 + 5 log d + 10.0 log r