Perturbed ephemeris below is based on elements from MPC 102956. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2461720.50000 2461709.3460270 145.78684 89.86203 11.26409 e q a Epoch (TT) 0.2756115 2.5766706 3.55703 2027/11/11.00
m1 = 12.5 + 5 log d + 15 log r