Perturbed ephemeris below is based on elements from MPC 47727. Epoch = 2458280.50000 TT T = 2458288.05378 TT Peri. = 167.02105 a = 6.4616655 AU Node = 330.43213 J2000.0 e = 0.5934165 Incl. = 4.97681 q = 2.6272067 AU
m1 = 12.5 + 5 logΔ + 10.0 log r