Perturbed ephemeris below is based on elements from NK 1615. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2458520.50000 2458525.9545322 333.28701 40.05084 2.60090 e q a Epoch (TT) 0.3134621 2.5902776 3.77296 2019/02/06.00
m1 = 12.5 + 5 log d + 15.0 log r