Perturbed ephemeris below is based on elements from MPC 50139. Epoch = 2460880.50000 TT T = 2460894.46047 TT Peri. = 37.69074 a = 7.9990619 AU Node = 264.48422 J2000.0 e = 0.4712842 Incl. = 11.40010 q = 4.2292305 AU
m1 = 10.0 + 5 logΔ + 10.0 log r