SEOSAT/INGENIO. Spanish Earth Observation Satellite

SEOSAT was a multispectral high resolution wide swath world coverage imager, designed for systematic acquisition of Spanish territory and minimum revisit time. It was expected to have nominal life of 7 years, having a Sun-synchronous orbit at about 670 km altitude, with orientation capability of +/- 35º from nadir.

Sener was prime responsible for the design, manufacturing, integration, alignment and verification of the Primary Payload of the mission.

The Primary Payload was a High Resolution Optical Instrument. It acquires images in two channels: a Pan-chromatic (black & white) with 2.5 m resolution, and a Multi spectral with four bands (blue, green, red & NIR) with 10 m resolution. It works in pushbroom mode, providing 55 km swath, which covers for more than 2,5 million of square km per day.

Selected configuration

Overall instrument size is 1,5 m x 1,5 m x 1,5 m
Instrument weight is 150 Kg
Instrument with two identical cameras
Each covering 28 km swath width
Korsch type optical design
Optics:
- Focal: 3.5 m
- Pupil: Ø 260 mm
- Three aspheric on-axis mirrors
Each camera includes two channels:
- Panchromatic:
  - 2.5 m resolution
  - Two TDI detectors
- Multispectral (RGB&NIR):
  - 10 m resolution
  - Two multiband detectors
  - Sharp microstrip filters
High Modular Transfer Function (image quality) and Signal-to-Noise ratio (radiometric performances)
Independent detection electronics for each camera
Instrument power and control unit

Space

Science & Earth observation

SEOSAT/INGENIO. Spanish Earth Observation Satellite

SEOSAT/INGENIO. Spanish Earth Observation Satellite

Selected configuration

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