Perturbed ephemeris below is based on elements from MPEC 2025-XC7. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2460920.50000 2460920.4488680 153.30181 258.94399 34.66810 e q a Epoch (TT) 0.6421143 3.6045442 10.07177 2025/09/02.00
m1 = 12.0 + 5 logΔ + 10.0 log r