Perturbed ephemeris below is based on elements from MPEC 2023-HD1. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2458800.50000 2458796.5381619 153.05803 175.08244 11.11084 e q a Epoch (TT) 0.6375241 1.7938497 4.94888 2019/11/13.00
m1 = 8.0 + 5 logΔ + 18.0 log r