Perturbed ephemeris below is based on elements from MPEC 2021-Q96. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2457520.50000 2457527.9863831 105.76370 239.21872 10.07168 e q a Epoch (TT) 0.2418697 2.3023087 3.03682 2016/05/12.00
m1 = 17.0 + 5 logΔ + 10.0 log r