Perturbed ephemeris below is based on elements from MPEC 2022-N37. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2456280.50000 2456261.6324514 19.18642 256.78440 136.02427 e q a Epoch (TT) 1.0026518 4.9059994 2012/12/19.00
m1 = 9.5 + 5 logΔ + 10.0 log r