Star Tracker GEO
Glavkosmos
The Star Tracker GEO is an autonomous star tracker designed for star-based satellite attitude determination, specifically for geostationary Earth orbit (GEO) applications.
Key figurescomparable across the catalogue
- Mass
- 0.8 kg
- Power
- 5 W
- Largest dimension
- 149 mm
- Design life
- 5 years
- Lead time
- 6 months
- TRL
- 8
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
- Purpose
- Star based satellite attitude determination.
- Year of release
- 2019
- Design life
- 5 years
- Lead time
- 6 months
- Flight qualification of the product
- No
- Brief history of flight qualification
- Prototype flight experience over 7 years.
- Possibility to adapt the product to customer requirements
- Yes
- Random error (1-sigma) across boresight at 22 hz
- 1.5 arcsec
- Random error (1-sigma) boresight at 22 hz
- 10 arcsec
- Random error (1-sigma) across boresight at 10 hz
- 1 arcsec
- Random error (1-sigma) boresight at 10 hz
- 7 arcsec
- Mass (including 30 grad baffle)
- 0.8 kg
- Dimensions (including 30 grad baffle)
- 149 × 100 × 137 mm
- Power consumption
- 5 W
- Sun exclusion angle
- 30 grad
- Power
- 10…32 V
- Operating temperature
- minus 40… plus 50
About
The Star Tracker GEO is an autonomous star tracker developed for precise star-based satellite attitude determination. It was released in 2019 and offers a guaranteed service life of 5 years. While it does not yet have full flight qualification, it boasts prototype flight experience spanning over 7 years. The product is adaptable to customer requirements. Key performance specifications include random errors across the boresight at 22 Hz (1.5 arcsec) and 10 Hz (1 arcsec), and random errors along the boresight at 22 Hz (10 arcsec) and 10 Hz (7 arcsec). The unit, including a 30-degree baffle, has a mass of 0.8 kg and dimensions of 149 x 100 x 137 mm. It consumes 5 W of power and operates within a voltage range of 10 to 32 V. The sun exclusion angle is 30 degrees, and it can function in a temperature range from -40 to +50 degrees Celsius.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.