Perturbed ephemeris below is based on elements from MPC 53465. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2461640.50000 2461622.3285279 87.15712 47.64468 19.31318 e q a Epoch (TT) 0.4532292 4.4332466 8.10805 2027/08/23.00
m1 = 8.3 + 5 logΔ + 10.0 log r