Perturbed ephemeris below is based on elements from MPEC 2021-U31. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2461560.50000 2461547.8508279 94.49579 54.62961 4.47632 e q a Epoch (TT) 0.5007368 1.5492480 3.10307 2027/06/04.00
m1 = 10.0 + 5 logΔ + 30 log r(t + 50)