Perturbed ephemeris below is based on elements from NK 730. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2456840.50000 2456850.0926074 337.84150 36.11533 9.16857 e q a Epoch (TT) 0.8190736 0.7841909 4.33431 2014/07/02.00
m1 = 15.5 + 5 log d + 25.0 log r