SJ-9A & SJ-9B Satellite Imagery
The SJ-9A and SJ-9B satellites are technology demonstration platforms offering distinct and complementary Earth observation capabilities. SJ-9A provides 2.5m high-resolution optical and multispectral imagery, while SJ-9B is equipped with a long-wave infrared sensor for thermal monitoring, making this pair a unique asset for diverse analytical tasks.

SJ-9A Pan Res.
2.5m
SJ-9A MS Res.
10m
SJ-9B IR Res.
73m
Sensor Types
Optical & IR
Technical Specifications Comparison
Attribute | SJ-9A (Optical) | SJ-9B (Infrared) |
---|---|---|
Instrument | PMS Camera | Long Wave IR Sensor |
Resolution | 2.5m (Pan), 10m (MS) | 73m |
Swath Width | 30 km | 18 km |
Max Off-Nadir Angle | ±35° | ±35° |
Spectral Bands |
Pan: 0.45-0.89µm Blue: 0.45-0.52µm Green: 0.52-0.59µm Red: 0.63-0.69µm NIR: 0.77-0.89µm | Long Wave IR: 8-12µm |
Features and Benefits
- Complementary Data: SJ-9A provides high-resolution visual data, while SJ-9B offers thermal data, allowing for a more comprehensive analysis of an area.
- High-Resolution Optical: SJ-9A's 2.5m panchromatic resolution is excellent for detailed base mapping, infrastructure analysis, and land use classification.
- Thermal Detection: SJ-9B's long-wave infrared sensor is ideal for detecting heat patterns, monitoring temperature changes, and identifying thermal anomalies.
- Multispectral Analysis: SJ-9A's four multispectral bands enable standard vegetation analysis (NDVI), water body delineation, and environmental monitoring.
Applications
- Urban Planning & Base Mapping
- Land Use & Land Cover Classification
- Agriculture & Forestry Monitoring
- Post-Disaster Visual Assessment
- Thermal Anomaly Detection (Fires, Volcanoes)
- Industrial Heat Monitoring
- Water Temperature Analysis
- Defense & Security Thermal Surveillance
Why Choose XRTech Group for SJ-9 Imagery?
We provide more than just satellite data; we deliver comprehensive solutions tailored to your project's specific needs, ensuring you get actionable insights quickly and efficiently.
Expert Consultation
Our geospatial experts provide a free consultation to understand your needs and recommend the best acquisition parameters to ensure optimal results for your project.
Rapid Delivery
Leveraging our direct partnership and access to a vast 130+ satellite constellation, we offer fast turnaround times, delivering imagery in days, not weeks.
Seamless Integration
We deliver data in industry-standard formats (like GeoTIFF) compatible with your GIS, CAD, or modeling software, with a team ready to support your workflow.
SJ-9 Series Sample Imagery

