Perturbed ephemeris below is based on elements from MPEC 2021-Y10. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2453120.50000 2453121.5153673 228.71926 268.48486 3.85042 e q a Epoch (TT) 0.1892141 3.9517829 4.87402 2004/04/25.00
m1 = 12.0 + 5 log d + 10.0 log r