T 1997 Sept. 30.83 TT Marsden q 0.0068 (2000.0) P Q Peri. 77.84 +0.19866 -0.98003 Node 359.13 -0.95856 -0.19242 e 1.0 Incl. 144.43 +0.20419 +0.05016 >From 25 observations 1997 Sept. 29-30.
m1 = 18.5 + 5 logΔ + 10.0 log r