Perturbed ephemeris below is based on elements from MPC 77020. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2459640.50000 2459626.0482056 229.96923 184.07863 17.95222 e q a Epoch (TT) 0.4599260 2.5701368 4.75886 2022/03/02.00
m1 = 8.7 + 5 log d + 20 log r