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About SPOT 1

SPOT 1 (Satellite pour l'Observation de la Terre) was a commercial Earth-imaging satellite from CNES (Centre National D’Etudes Spatiales), the French Space Agency. It was launched on 22 February 1986 and ceased operations in November 2003. SPOT 1, 2 and 3 were identical.

Mission Parameters
Orbit Height832 km
Orbit TypeSun-synchronous
Orbit Inclination98.7°
Orbit Duration101 min
Repeat Cycle26 days

SPOT 1 Objectives

SPOT 1, supplying high-resolution, wide-area optical imagery, was designed to improve the knowledge and management of Earth's resources, detecting and forecasting phenomena involving climatology and oceanography, and monitoring human activities and natural phenomena.

SPOT 1 Instruments

High-Resolution Visible (HRV)

Two identical HRV (High Resolution Visible) imaging instruments on SPOT 1 provided data at 10 metre spatial resolution and were able to operate in two modes Panchromatic mode and 20 metre (Multispectral mode) with a swath of 60 km simultaniously or individually.

The HRV had an oblique viewing capability of 27° on each side of the local vertical.The swath was 117 km2 if both sensors were used simultaniously with a 3 km2 overlap.

HRV Instrument Details
TypeHigh-resolution optical pushbroom imager
Ground Sample DistancePanchromatic: 10 m
Multispectral: 20 m
Swath Width60 km
NIR (Near Infrared)
0.51-0.73 µm
0.50-0.59 µm
0.61-0.68 µm
0.79-0.89 µm
Instrument Field of View4.13°
Ground Sampling Interval (Nadir Viewing)Panchromatic: 10 m x 10 m
Multispectral: 20 m x 20 m
Pixel per LinePanchromatic: 6000
Multispectral: 3000
Swath Width60 km

SPOT 1 Data


Registered users can access the SPOT 1 to 5 ESA archive through the online dissmination server. The archive consists mainly of imagery over Europe and Africa that ESA has collected through the years. 



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