Can the Right Ascension and Argument of Perigee of a spacecraft's orbit keep varying by themselves with time?
How (the heck) are military satellites with (apparently) classified TLEs still showing up on sat map websites?
When calculating the six Keplerian Orbital Parameters, why do we need both Eccentricity AND the Semi-Major Axis? Doesn't one tell you the other?
I'm building a CubeSat for a short 8-day mission in LEO followed by a fairly quick reentry, what range of orbits to consider?
Is it possible to plot the ground track of a satellite with just azimuth & elevation angles without range?
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