Perturbed ephemeris below is based on elements from MPEC 2025-DP4. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2460360.50000 2460344.6717257 330.59712 95.47709 9.88339 e q a Epoch (TT) 0.5719142 3.1044301 7.25189 2024/02/20.00
m1 = 8.2 + 5 log d + 15.0 log r(t - 400)