Perturbed ephemeris below is based on elements from MPEC 2025-HB5. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2459680.50000 2459669.9322554 203.67759 111.37008 15.09478 e q a Epoch (TT) 0.6666648 1.1889773 3.56691 2022/04/11.00
m1 = 16.3 + 5 logΔ + 10.0 log r