Perturbed ephemeris below is based on elements from MPC 30063. Epoch = 2459680.50000 TT T = 2459667.20732 TT Peri. = 183.31648 a = 8.5839604 AU Node = 328.88222 J2000.0 e = 0.7604607 Incl. = 12.33923 q = 2.0561957 AU
m1 = 15.2 + 5 log d + 5 log r(t - 30)