Perturbed ephemeris below is based on elements from MPC 75716. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2458560.50000 2458550.2553842 47.77429 312.39468 9.36833 e q a Epoch (TT) 0.0430315 5.7668226 6.02614 2019/03/18.00
m1 = 4.0 + 5 log d + 7.5 log r