Perturbed ephemeris below is based on elements from MPEC 2021-Y10. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2461400.50000 2461411.2505162 190.83095 167.00225 2.20283 e q a Epoch (TT) 0.2922812 2.1376684 3.02051 2026/12/26.00
m1 = 18.0 + 5 logΔ + 10.0 log r