Perturbed ephemeris below is based on elements from MPEC 2025-MC0. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2460520.50000 2460507.0472697 218.95180 205.99563 10.83572 e q a Epoch (TT) 0.5671069 3.3895552 7.83001 2024/07/29.00
m1 = -7.5 + 5 logΔ + 39 log r(t - 117)