Perturbed ephemeris below is based on elements from NK 744. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2458640.50000 2458651.8020710 176.46310 160.31019 11.68354 e q a Epoch (TT) 0.5313628 1.6233904 3.46407 2019/06/06.00
m1 = 17.5 + 5 log d + 15.0 log r