Perturbed ephemeris below is based on elements from MPEC 2022-M21. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2456920.50000 2456903.3443952 51.06636 163.55721 152.99282 e q a Epoch (TT) 0.9934010 2.5558284 387.30340 2014/09/20.00
m1 = 13.0 + 5 logΔ + 10.0 log r