Perturbed ephemeris below is based on elements from MPEC 2011-V31. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2451840.50000 2451826.7955615 220.07802 130.18644 32.65831 e q a Epoch (TT) 0.3156048 3.1649519 4.62445 2000/10/23.00
m1 = 10.5 + 5 log d + 10.0 log r(t - 200)