Perturbed ephemeris below is based on elements from MPEC 2024-GJ3. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2460280.50000 2460280.4178707 211.47349 314.83552 158.01400 e q a Epoch (TT) 1.0013314 7.7600540 2023/12/02.00
m1 = -8.5 + 5 logΔ + 25 log r(t + 250)