Perturbed ephemeris below is based on elements from NK 945. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2445960.50000 2445960.1170938 18.66684 340.01369 26.27771 e q a Epoch (TT) 0.4714351 1.9767931 3.73993 1984/09/17.00
m1 = -2.0 + 5 log d + 45 log r