Perturbed ephemeris below is based on elements from MPC 31204. Epoch = 2456480.50000 TT T = 2456481.74901 TT Peri. = 210.93294 a = 6.8597017 AU Node = 225.29285 J2000.0 e = 0.4749553 Incl. = 2.85498 q = 3.6016500 AU
m1 = 3.0 + 5 log d + 20 log r