Attitude Determination & Control
AssemblySensors and reaction wheels that keep the antenna farm pointed at Earth centre to within 0.1° while the arrays track the Sun. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Attitude Determination & Control
5 top-level lines as of r75799| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Reaction Wheel Assembly 4 parts | gps-satellite-reaction-wheel | 4× | 4 | 0 | assembly |
| 2 | Star Tracker 4 parts | gps-satellite-star-tracker | 2× | 2 | 0 | assembly |
| 3 | Inertial Measurement Unit | gps-satellite-imu | 1× | 1 | · | part |
| 4 | Attitude Control Computer 4 parts | gps-satellite-adcs-computer | 1× | 1 | 0 | assembly |
| 5 | Magnetorquer Rod | gps-satellite-magnetorquer | 3× | 3 | · | part |