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Need to knows about orbit parameters | |||
Based on the definition of vernal equinox being fixed as a line and right ascension being defined as 0 to 360 inc eastward around the fixed line, this brings us to right ascension | |||
this plot demonstrates that for a sun synched orbit, the ascending node (or RAAN) must go from 0 to 360 (relative to the vernal equinox "prime meridian") in one year | you can then get inclination knowing this relation using the equation below; change in w over time is tied to change in theta over time, so you can actually write one in terms of the other. | but only these are the valid solutions! |