GF2 satellites

1.Spatial resolution:
◦ Panchromatic: 0.8 meters (This is its most prominent feature)
◦ Multispectral: 3.2 meters
■ Blue band: 0.45 - 0.52 μm
■ Green band: 0.52 - 0.59 μm
■ Red band: 0.63 - 0.69 μm
■ Near Infrared band: 0.77 - 0.89 μm
2. Swath width:
◦ Swath width of single - scene imaging: 23.5 kilometers (at the nominal orbital altitude)
Orbital parameters
3. Orbital type: Sun - synchronous return orbit
4. Orbital altitude: Approximately 631 kilometers
5. Inclination: Approximately 97.8°
6. Local time of descending node: Approximately 10:30 AM (to ensure good lighting conditions)
7. Revisit period:
◦ Designed revisit period: 5 days (without side - looking)
◦ Side - looking ability: It has a rapid side - looking ability (±35°). The revisit period can be shortened to 1 - 3 days through side - looking, which improves the observation flexibility.

High resolution SAR image

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