T 1998 Apr. 30.78 TT Marsden q 0.0067 (2000.0) P Q Peri. 85.93 +0.20507 -0.97369 Node 9.67 -0.95122 -0.22218 e 1.0 Incl. 143.75 +0.23050 -0.05061 From 30 observations 1998 Apr. 29-30.