Perturbed ephemeris below is based on elements from MPC 64498. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2456800.50000 2456783.8242015 152.39315 62.82447 21.24341 e q a Epoch (TT) 0.6725840 0.9694578 2.96094 2014/05/23.00
m1 = 18.0 + 5 log d + 2.0 log r