Perturbed ephemeris below is based on elements from MPC 61437. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2459560.50000 2459557.2001794 282.59596 87.19212 20.20980 e q a Epoch (TT) 0.6700052 1.9576092 5.93224 2021/12/12.00
m1 = 15.0 + 5 log d + 10.0 log r