ST400
The ST400 is a high-precision star tracker developed in collaboration with AAC Hyperion, providing a full and autonomous attitude solution for demanding small satellite missions.
Typed specifications32 values
Discloses 8 of 12 fields engineers filter by in this category (category median 8).
- Accuracy, cross-boresight
- 5 arcsec datasheet p.0 5 arcsec pitch & yaw, 1 sigma
- Mass
- 270 g ST400D · datasheet p.0 350 g with Baffle 40° Sun Exclusion
- Accuracy, about boresight (roll)
- 40 arcsec datasheet p.0 40 arcsec roll, 1 sigma
- Envelope (L×W×H)
- 48x57x89mm³ ST400D · datasheet p.0 74x74x146mm³ with Baffle 40° Sun Exclusion
- Update rate
- 5 Hz max · datasheet p.0 5 Hz max · up to 5 Hz
- Max tracking rate
- 0.3 °/s nominal conditions (pitch, yaw) · datasheet p.0 1 °/s nominal conditions (pure roll) | 0.3 °/s max · pitch, yaw; nominal conditions | 1 °/s max · pure roll; nominal conditions
- Sun exclusion angle
- 40 ° Baffle · datasheet p.0 40 ° with baffle
- Supply voltage
- 3.7–5 V datasheet p.0 3.7–5 V DC
- Power consumption
- 0.67 W @ 3.7V · datasheet p.0 0.67 W 3.7 V | 0.67 W 3.7V
- Data interface
- RS-422 datasheet p.0
- Operating temperature
- -20–40 °C datasheet p.0
- Radiation tolerance (TID)
- 11 krad Proton 130 MeV · datasheet p.0 11 krad radiation test, proton 130 MeV
- Design lifetime
- 5 years design life, LEO · datasheet p.1 5 years LEO
- Configuration
- single unit datasheet p.1
- Limiting star magnitude
- 6 Mv product page
- Flight heritage
- space heritage datasheet p.0
- Satellite class
- microsat 10-100 kg datasheet p.1
- Baffle
- optional 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 supplier9 lines, in the manufacturer's own wording
- Accuracy
- 5 arcsec
- Update rate
- 5 Hz
- Limiting magnitude
- 6.0
- Sun exclusion angle
- 40°
- Data interface
- UART (TTL), RS422 (optional)
- Mass
- 350 g
- Dimensions
- 74x74x146 mm
- Design life
- 5 years
- Space heritage
- since 2015
About
The ST400 is a high-precision star tracker, an advanced version of the ST200, developed and built in collaboration with AAC Hyperion. It is designed to deliver a full and autonomous attitude solution, making it suitable for demanding small satellite missions. The device boasts an accuracy of 5 arcseconds and an update rate of 5Hz. It can track stars up to a limiting magnitude of 6.0 and has a sun exclusion angle of 40°. For data communication, it offers a UART (TTL) interface, with RS422 available as an optional interface. The ST400 has a mass of 350g and compact dimensions of 74x74x146mm. It is designed for a life span of 5 years and has flight heritage dating back to 2015.
Documentation
Need the full ICD, test reports or a specific revision? Ask the supplier directly.