Perturbed ephemeris below is based on elements from MPEC 2023-F81. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2459080.50000 2459091.1937100 239.23295 154.01073 9.16417 e q a Epoch (TT) 0.1223308 3.9804569 4.53526 2020/08/19.00
m1 = 10.5 + 5 logΔ + 10.0 log r