Perturbed ephemeris below is based on elements from MPC 78188. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2458120.50000 2458140.2589078 245.90860 70.25652 6.06534 e q a Epoch (TT) 0.4607787 1.8236334 3.38198 2018/01/02.00
m1 = 10.0 + 5 logΔ + 15.0 log r(t - 70)