Hello, I am trying to create a coordinate system that would be fixed to the default spacecraft (SC) that would allow to get sun and planet vectors in the SC coordinate system (vector origin at the origin of the SC coord system and pointing to the sun and planet respectively). When I create such a CS now but change the attitude of the SC the SC coordinate system remain unchanged - is unaffected by the change in attitude. How to have a general way of defining such a coordinate system that would 'follow' the attitude when it is modified? More specifically how should the coordinate system be defined if the attitude reference body is the sun?
thanks Christian Ruel
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