Perturbed ephemeris below is based on elements from MPC 102099. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2461480.50000 2461473.5955805 271.83384 318.67337 24.46929 e q a Epoch (TT) 0.2864259 2.2822197 3.19829 2027/03/16.00
m1 = 15.0 + 5 logΔ + 10.0 log r