Attitude Control Subsystem
AssemblyStar trackers, gyros, and reaction wheels holding the instrument boresight within 25 microradians so pixels register to known Earth locations scan after scan. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Attitude Control Subsystem
4 top-level lines as of r188090| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Star Tracker | weather-satellite-star-tracker | 3× | 3 | · | part |
| 2 | Inertial Reference Unit | weather-satellite-gyro-unit | 1× | 1 | · | part |
| 3 | Reaction Wheel 4 parts | weather-satellite-reaction-wheel | 4× | 4 | 0 | assembly |
| 4 | Attitude Computer 4 parts | weather-satellite-acs-computer | 1× | 1 | 0 | assembly |