Perturbed ephemeris below is based on elements from MPC 24882. Epoch = 2456280.50000 TT T = 2456264.49652 TT Peri. = 171.19403 a = 6.9317363 AU Node = 218.01048 J2000.0 e = 0.8153486 Incl. = 29.07876 q = 1.2799546 AU
m1 = 12.5 + 5 logΔ + 15 log r