Perturbed ephemeris below is based on elements from MPC 80901. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2458800.50000 2458819.8075482 12.64842 333.36848 15.61528 e q a Epoch (TT) 0.5261105 1.7873501 3.77166 2019/11/13.00
m1 = 0.7 + 5 logΔ + 50 log r