>>LANDSAT 7 >>1 25682U 99020A 99106.70303473 -.00005872 00000-0 -11354-2 0 42 >>2 25682 98.2243 175.2137 0020469 182.0067 178.1027 14.62942429 137 >>DELTA 2 R/B >>1 25683U 99020B 99106.53026626 .00568309 78452-5 66567-3 0 29 >>2 25683 107.5837 169.1035 0385442 330.6038 27.3971 15.39514041 115 Tristan Cools <tcools@nic.INbe.net> said: >This is strange. I understand that the Delta rocket(25683/99020B) did make >a fuel depletion burn and lowered its orbit for a soon reentry but why such >a change of inclination ? I would expect something like 98 degrees. I am fairly sure that the elements are in error. A 9 degree inclination change at the Landsat deploy altitude would require a *MASSIVE* amount of propellant, even with the dry mass of the Delta 2nd stage. Philip Chien, KC4YER Earth News world (in)famous writer, science fiction fan, ham radio operator, all-around nice guy, etc.