Perturbed ephemeris below is based on elements from MPEC 2024-D33. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2459400.50000 2459399.3700430 338.46606 177.81218 22.29054 e q a Epoch (TT) 0.1713925 4.9871296 6.01869 2021/07/05.00
m1 = -20.5 + 5 logΔ + 50 log r(t - 550)