Perturbed ephemeris below is based on elements from MPEC 2023-B57. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2460840.50000 2460842.9846392 213.67391 61.97583 9.17529 e q a Epoch (TT) 0.2481364 2.9262829 3.89204 2025/06/14.00
m1 = 5.0 + 5 logΔ + 17.0 log r(t + 200)