Visual Overview
Technical Details
Comprehensive specifications and technical information
Split-Type Micro Star Sensor
Quick Overview
The star sensor determines satellite attitude by capturing and identifying stellar images.
Key Specifications
| Parameter | Value |
|---|---|
| Model | C-ST-HA-APS6-1 |
| Measurement Accuracy | 3″ (3σ) |
| Flight Heritage | Completed qualification |
| Application | High-precision remote sensing and mapping satellites |
| Dimensions (mm) | 110 × 110 × 195 (Head); 140 × 66 × 80 (Electronics) |
| Weight (g) | 830 (Head); 700 (Electronics, RS-422); 900 (Electronics, 1553B) |
| Mounting Material | 2A12 T4 |
| Communication Interface | RS-422 / 1553B |
| Operating Temperature (°C) | −20 to +50 |
| Storage Temperature (°C) | −25 to +55 |
| Design Life | 8 years |
Key Features
- Low power consumption in the optical head, improving overall satellite thermal control.
- Ultra-stable opto-mechanical and thermal structure.
- Compact dimensions with modular architecture.
- High measurement accuracy and stability.
Applications
- Used in high-precision Earth observation and mapping satellites requiring stable opto-mechanical performance and long service life.
Related Products
- See related products in this series
Documentation & Resources
Frequently Asked Questions
Common questions about Split-Type Micro Star Sensor
Can the Split-Type Micro Star Sensor improve the performance of satellites using electric propulsion systems?
Yes, the Split-Type Micro Star Sensor directly enhances the performance of satellites with electric propulsion. Precise attitude determination from the star sensor enables more accurate and efficient thrust vectoring by the electric propulsion system. This is crucial for optimizing maneuvers like station-keeping, orbit raising, and precise trajectory control, leading to reduced propellant consumption and extended mission lifetime. Better attitude control also reduces the need for frequent thruster firings, further conserving propellant.
What spacecraft platforms is this system compatible with?
This system is compatible with microsatellites, nanosatellites, CubeSats, and larger spacecraft platforms. It features modular design with standard interfaces for easy integration into various mission architectures and supports both commercial and scientific applications.
How does this system enhance spacecraft capabilities?
The system provides advanced functionality with reduced size, weight, and power consumption. It offers improved reliability through redundancy, radiation tolerance, and proven space-qualified components with extensive flight heritage.
What are the key performance specifications?
Key specifications include low power consumption, wide operating temperature range, high radiation tolerance (TID >100 krad), compact form factor, and long operational lifetime (>10 years). The system meets all relevant space qualification standards.
How is system integration and testing performed?
We provide comprehensive integration support including detailed interface specifications, test procedures, and simulation tools. All systems undergo thorough environmental testing, functional verification, and compatibility validation before delivery.