Perturbed ephemeris below is based on elements from MPC 80899. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2458600.50000 2458609.5469287 183.34567 120.68267 24.48560 e q a Epoch (TT) 0.5328625 1.6917083 3.62144 2019/04/27.00
m1 = 17.0 + 5 log d + 10.0 log r