Requirements on ADCS by other Subsystems
- The payload can require the satellite to maintain certain attitude for success. For example, an imaging payload can require the imager to point towards the object which it is imaging, which will place constraints on the attitude.
- Satellite attitude needs to be maintained for reception of a sufficient amount of solar flux to generate power. If solar panels are fixed, then the satellite attitude will directly influence the solar flux received. If solar panels are deployable, their orientation will need to be controlled for optimum power generation. Even in this case, the attitude will affect the solar flux received.
- The communication subsystem will require the antennae to point in a particular direction for proper communication, which will place constraints on satellite attitude.
- In general, the angular rates of the satellite need to be within a particular threshold for proper operation of the payload and proper communication between the satellite and the ground station.
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