D/1952 B1 Harrington-Wilson *20170301.91319 1.2776050 0.5941013 0.92454 118.40571 14.39588 20170216 7 19520130 19520225 10.0 10.0 h3E 0.49 x Kinoshita
m1 = 18.0 + 5 logΔ + 10.0 log r