Perturbed ephemeris below is based on elements from MPEC 2025-A40. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2460240.50000 2460223.4602333 130.30534 294.37657 99.84096 e q a Epoch (TT) 0.9993983 4.0764294 6774.95797 2023/10/23.00
m1 = 11.5 + 5 logΔ + 10.0 log r(t - 250)