Here is an element set that should be used for TiPS. The parameters are in their usual positions with unneeded ones omitted. 1 99999U TiPS 96173.00694444 -.00000003 2 99999 63.4290 169.7913 0003344 241.5909 128.6259 13.63734634 Paul Maley pmaley@gp808.jsc.nasa.gov