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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

See the source image





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!






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