Perturbed ephemeris below is based on elements from MPEC 2022-K19. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2457920.50000 2457923.7363700 29.26044 13.25125 9.63510 e q a Epoch (TT) 0.5097400 2.9749261 6.06806 2017/06/16.00
m1 = 4.5 + 5 log d + 22 log r(t - 130)