Perturbed ephemeris below is based on elements from MPEC 2022-YB4. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2457400.50000 2457402.8358986 105.08267 176.05158 5.22243 e q a Epoch (TT) 0.1185389 2.3317601 2.64534 2016/01/13.00
m1 = 15.5 + 5 log d + 10.0 log r