ST400
AAC Clyde Space
The ST400 is a high-performance star tracker designed for small satellite missions, offering precise attitude determination.
Typed specifications45 values
Discloses 10 of 12 fields engineers filter by in this category (category median 8).
- Accuracy, cross-boresight
- 10 arcsec pitch, yaw, 3-sigma · datasheet p.2 10 arcsec pitch, yaw; 3-sigma
- Mass
- 280 g datasheet p.1 280 g
- Accuracy, about boresight (roll)
- 120 arcsec 3-sigma · datasheet p.2 120 arcsec roll; 3-sigma
- Envelope (L×W×H)
- 53.8 x 53.8 x 90.5 mm datasheet p.2 53.8 x 53.8 x 90.5 mm excluding baffle | 53.8 x 53.8 x 90.5 outer dimensions, excluding baffle
- Update rate
- 5 Hz datasheet p.1 5 Hz
- Max tracking rate
- 1 °/s max · roll · datasheet p.2 1 °/s max · roll, <1 | 0.5 °/s max · tip/tilt | 0.5 °/s max · tip/tilt, < 0.5
- Sun exclusion angle
- 40 ° Optional baffle sun exclusion half angle, Standard size · datasheet p.2
- Field of view
- 10 ° product page
- Supply voltage
- 3.6 V min · datasheet p.2 34 V max | 3.6–34 V
- Power consumption
- 0.7 W nominal power consumption when running at 5Hz update rate · datasheet p.1 1 W Max. | 0.37 W Min. | 0.7 W Typ. At 5V, at 5Hz update rate. | 0.37 W min +2
- Data interface
- RS-422 datasheet p.1 RS-422 RS422/RS485 bidirectional interface | RS-485 | RS-485 RS422/RS485 bidirectional interface
- Operating temperature
- -20 °C min · datasheet p.2 40 °C max | -20–40 °C
- Radiation tolerance (TID)
- 9 krad datasheet p.1 9 krad all components passed radiation qualification | 9 krad
- TRL
- 8 product page
- Configuration
- single unit datasheet p.1
- Flight heritage
- since 2016 datasheet p.1
- Satellite class
- CubeSat datasheet p.1 SmallSats
- Missions flown
- 2 016 datasheet p.1
- Baffle
- optional datasheet p.1
- Volume (with baffle)
- 0.52 U datasheet p.1
Each value is typed with its unit and measurement condition and cites the datasheet page it was taken from. Nothing is guessed: a field that is absent here has not been published by the manufacturer. machine-extracted ✓ checked by NewSpace Market ✓ manufacturer confirmed by the manufacturer.
As published by the supplier17 lines, in the manufacturer's own wording
- Attitude accuracy (cross-boresight)
- <3 arcsec (1σ)
- Attitude accuracy (roll)
- <10 arcsec (1σ)
- Update rate
- Up to 10 Hz
- Acquisition time
- <2 s (initial), <0.2 s (tracking)
- Field of view
- 10° x 10°
- Limiting magnitude
- Mv = 7.5
- Interface
- RS-422 / SpaceWire
- Supply voltage
- 5 V / 12 V
- Power consumption
- ~5 W
- Operating temperature
- -30°C to +60°C
- Mass
- ~500 g
- Dimensions
- ~120 x 120 x 100 mm
- Radiation tolerance
- 20 KRad
- TRL level
- 8
- Star catalog
- Embedded (>200,000 stars)
- Stray light rejection
- Sun exclusion >30°, Moon >15°
- Detector
- Large format CMOS APS
About
The ST400 is a high-performance star tracker developed by AAC Hyperion, specifically designed for small satellite missions requiring accurate pointing. It is a fully autonomous star tracker that provides precise attitude determination. While the provided text does not detail specific features or configurations, it emphasizes its high performance, making it suitable for demanding small satellite applications.
Documentation
Need the full ICD, test reports or a specific revision? Ask the supplier directly.