Take this with a very large grain of salt. It's a typical IUS transfer orbit precessed to match the date and time of the DSP launch. Certainly not accurate, but should be roughly the correct mean motion, eccentricity, and inclination. USA 142?? 1 25669 99017A 99 99.76041811 .00001582 00000 1 12848-2 0 13 2 25669 25.6628 275.5960 7210072 0.0000 0.0000 2.31095688 15 Philip Chien, KC4YER Earth News world (in)famous writer, science fiction fan, ham radio operator, all-around nice guy, etc.