Star Tracker LEO
Glavkosmos
The Star Tracker LEO is an autonomous star tracker designed for satellite attitude determination in Low Earth Orbit (LEO) up to 1200 km, offering a guaranteed service life of 5 years.
Key figurescomparable across the catalogue
- Mass
- 0.5 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)
- 0.5 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 LEO is an autonomous star tracker specifically designed for star-based satellite attitude determination in Low Earth Orbit (LEO), suitable for altitudes up to 1200 km. It was released in 2019 and comes with a guaranteed service life of 5 years. The estimated production and delivery time is 6 months. While the product itself does not have flight qualification, a prototype has accumulated over 7 years of flight experience. The manufacturer offers the possibility to adapt the product to customer requirements. Key performance parameters include random error (1-sigma) across boresight at 22 Hz of 1.5 arcsec, random error (1-sigma) boresight at 22 Hz of 10 arcsec, random error (1-sigma) across boresight at 10 Hz of 1 arcsec, and random error (1-sigma) boresight at 10 Hz of 7 arcsec. The unit, including a 30-degree baffle, has a mass of 0.5 kg and dimensions of 149 x 100 x 137 mm. It consumes 5 W of power and operates within a power range of 10 to 32 V. The sun exclusion angle is 30 degrees, and it can withstand temperatures ranging from -40 to +50 degrees Celsius.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.