Perturbed ephemeris below is based on elements from MPEC 2025-AH4. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2459560.50000 2459570.4753639 237.28962 241.79954 152.87557 e q a Epoch (TT) 0.9593703 1.7872785 43.98944 2021/12/12.00
m1 = 17.0 + 5 logΔ + 10.0 log r