Perturbed ephemeris below is based on elements from MPC 31205. Epoch = 2456800.50000 TT T = 2456798.95701 TT Peri. = 18.58174 a = 6.2312829 AU Node = 202.12237 J2000.0 e = 0.5873538 Incl. = 4.34888 q = 2.5713154 AU
m1 = 0 + 5 log d + 30 log r(t - 80)