Perturbed ephemeris below is based on elements from NK 744. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2461000.50000 2461011.7956798 176.59610 160.25485 11.67788 e q a Epoch (TT) 0.5305648 1.6282175 3.46846 2025/11/21.00
m1 = 17.5 + 5 log d + 15.0 log r