Perturbed ephemeris below is based on elements from MPEC 2022-GA9. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2462120.50000 2462118.2208840 353.75593 48.84018 19.51248 e q a Epoch (TT) 0.5927603 1.5359737 3.77167 2028/12/15.00
m1 = 9.5 + 5 log d + 25 log r(t + 15)