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satellite resources

Integrating high-quality satellite data resources, intelligent remote sensing data processing workflows and tools, as well as a comprehensive after-sales service system, we provide customers with efficient, high-frequency, cost-effective satellite imagery purchasing and value-added service solutions.

Satellite Introduction

Gaofen-7

Gaofen-7 was launched on November 3, 2019 and officially operational in August 2020.

Equipped with dual-line array stereo camera and laser altimeter, it achieves sub-meter stereo mapping and high-precision altimetry. It is the world's first satellite for 1:10,000 scale mapping using dual-line array + laser altimetry, greatly improving elevation accuracy and data self-sufficiency in China.

Satellite Parameters
Orbit Type
Sun-synchronous Recurring Orbit
Orbit Altitude
506 km
Descending Node Local Time
10:30 AM
Spectral Range
Pan: 450-900 nm; MS: 450-520 nm, 520-590 nm, 630-690 nm, 770-890 nm
Resolution
Pan: 0.8 m (Forward), 0.65 m (Backward); MS: 3.2 m (Forward), 2.6 m (Backward)
Image Quantization Bit
11 bit
Swath Width
20 km
Revisit Period
5 days
Laser Altimeter
2 beams; 1.064 μm; ≤60 urad; ≥3 Hz; Accuracy ≤0.3 m
Sample Image Display