Perturbed ephemeris below is based on elements from MPEC 2021-F20. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2461200.50000 2461191.0394035 155.81920 0.81708 8.92872 e q a Epoch (TT) 0.4790368 1.6216661 3.11282 2026/06/09.00
m1 = 17.0 + 5 logΔ + 10.0 log r