T 1999 Apr. 27.87 TT Marsden q 0.0055 (2000.0) P Q Peri. 85.20 +0.17281 -0.98285 Node 6.35 -0.96128 -0.18253 e 1.0 Incl. 144.45 +0.21465 -0.02614 From 27 observations 1999 Apr. 26-27.
m1 = 18.5 + 5 logΔ + 10.0 log r