Spinworks > Star Tracker ST1
Spin.Works
Star Tracker ST1
ST1 is the first star tracker developed at Spin.Works, physically identical to the HS1 camera currently in orbit on board the AEROS satellite. Enabling an accuracy of 2 arc-sec (3-sig) and a frame rate of up to 10Hz at low power (<3W/head) and size (0.5U), it is adjusted for use in both Cubesats or Smallsats.
Specifications
OPTICS | 50mm, f/2.8 |
|---|---|
FOV | 18.2 degrees (diagonal) |
IFOV | 22.6 arc-seconds |
DIMENSIONS | 86.3 x 66 x 55 mm |
MASS | ~500g |
POWER | 3W/head (max.), 0.6W (idle) |
VOLTAGE | 6-17VDC |
RESOLUTION | 2048 x 2048 pixels |
|---|---|
PIXEL DEPTH | 12-bit (ADC) |
PIXEL SIZE | 5.5um |
SENSOR | AMS CMV4000 |
EXPOSURE | 11.58us – 5s |
FRAME RATE | up to 70fps |
SHUTTER TYPE | Global Shutter |
TRL | TRL8 (AEROS, 2024) |
|---|
OTHER FUNCTIONALITIES
- In-flight reconfigurable exposure
- Automatic exposure calibration procedure
- Real-time FPGA-based centroiding & segmentation
- Automated Star Pattern Recognition
- Iterative Attitude Estimation (QUEST-based)
- Internal storage of up to 500 images
- Shared avionics concept (star tracker + miniaturized hyperspectral camera)
- Dual-head star tracker configuration (using PDP-L)
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