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.
Key figurescomparable across the catalogue
- Mass
- 0.35 kg
- Largest dimension
- 146 mm
- Design life
- 5 years
Normalised to common units so this product can be compared with others in its category. The supplier's own wording is below.
As published by the supplier
- 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.