Perturbed ephemeris below is based on elements from MPC 82323. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2458040.50000 2458026.3510311 34.60334 105.83035 11.53129 e q a Epoch (TT) 0.5874343 1.2627922 3.06083 2017/10/14.00
m1 = 17.5 + 5 log d + 10.0 log r(t - 50)