Perturbed ephemeris below is based on unperturbed elements from MPC 53951. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2455360.50000 2455340.9626940 149.36722 246.08556 12.80250 e q a Epoch (TT) 0.7488900 0.7577817 3.01773 2010/06/13.00
m1 = 13.2 + 5 logΔ + 20 log r(t - 10)