T 1998 May 11.6817 TT Marsden q 0.005511 (2000.0) P Q Peri. 83.4890 +0.1737046 -0.9838471 Node 4.2898 -0.9623475 -0.1789073 e 1.0 Incl. 144.6650 +0.2090791 -0.0060848 From 31 observations 1998 May 10-11.