Perturbed ephemeris below is based on elements from MPC 64116. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2457240.50000 2457246.6096328 269.30157 83.69329 5.42409 e q a Epoch (TT) 0.5423947 1.6995990 3.71412 2015/08/06.00
m1 = 10.0 + 5 log d + 10.0 log r