Visual Overview
Technical Details
Comprehensive specifications and technical information
Quick Overview
The star sensor determines satellite attitude by capturing and identifying stellar images.
Key Specifications
| Parameter | Value |
|---|---|
| Model | C-ST-HA-APS7-1 |
| Measurement Accuracy | 5″ (3σ) |
| Flight Heritage | Completed qualification |
| Application | Commercial satellite constellations |
| Dimensions (mm) | 100 × 100 × 132 |
| Weight (g) | 480 |
| Mounting Material | 2A12 T4 |
| Communication Interface | RS-422 |
| Operating Temperature (°C) | −20 to +50 |
| Storage Temperature (°C) | −25 to +55 |
| Design Life | 15 years |
Key Features
- High cost-performance ratio.
- Long operational lifetime.
- Lightweight and compact design.
- Advanced and stable technical performance indicators.
Applications
- Used for high-precision attitude determination in long-lifespan satellites operating in medium and low Earth orbits.
Documentation & Resources
Frequently Asked Questions
Common questions about Long-Life Micro Star Sensor
What accuracy and design life does the Long-Life Micro Star Sensor offer?
Model C-ST-HA-APS7-1 provides a measurement accuracy of 5 arcseconds (3-sigma) and is designed for a 15-year operational life, a key advantage for long-lifespan missions.
What interface does this star sensor use?
It communicates over RS-422 and weighs about 480 g, with dimensions of 100 x 100 x 132 mm and a 2A12 T4 mounting structure.
What temperature range does it support?
The sensor operates from -20 to +50 C and can be stored from -25 to +55 C.
What missions is the Long-Life Micro Star Sensor suited for?
It has completed qualification and is used for high-precision attitude determination in long-lifespan satellites operating in medium and low Earth orbits, including commercial constellations.
