Perturbed ephemeris below is based on elements from MPC 65938. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2458600.50000 2458606.2602544 95.61381 309.33135 10.08960 e q a Epoch (TT) 0.5301118 1.7028009 3.62384 2019/04/27.00
m1 = 16.0 + 5 log d + 10.0 log r(t - 50)