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.

Artistic representation of the SJ-9A and SJ-9B satellites in orbit.

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)
InstrumentPMS CameraLong Wave IR Sensor
Resolution2.5m (Pan), 10m (MS)73m
Swath Width30 km18 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

SJ-9A (Optical) Applications:
  • Urban Planning & Base Mapping
  • Land Use & Land Cover Classification
  • Agriculture & Forestry Monitoring
  • Post-Disaster Visual Assessment
SJ-9B (Infrared) Applications:
  • 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

Sample 2.5m optical satellite imagery from the SJ-9A satellite.
Example of 73m long-wave infrared thermal data from the SJ-9B satellite.

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