Perturbed ephemeris below is based on elements from NK 779. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2457720.50000 2457703.6483075 307.16571 66.52701 4.94039 e q a Epoch (TT) 0.6283200 1.2869202 3.46244 2016/11/28.00
m1 = 13.0 + 5 logΔ + 25 log r