description SPOT-1 Overview
SPOT-1 was a French Earth observation satellite launched by the CNES in 1986, marking the inaugural mission of the commercial SPOT satellite program. Operating in a sun-synchronous polar orbit, it was equipped with two HRV (High Resolution Visible) imaging instruments capable of capturing 10-meter panchromatic and 20-meter multispectral imagery. The mission demonstrated the commercial viability of satellite imagery for cartography, land-use planning, and environmental monitoring.
help SPOT-1 FAQ
Which space agency developed and launched the SPOT-1 satellite?
SPOT-1 (Satellite Pour l'Observation de la Terre) was developed by the French space agency CNES and successfully launched in 1986. It marked the beginning of a highly successful series of commercial Earth observation satellites.
What was the resolution capability of the imagery produced by SPOT-1?
SPOT-1 was a pioneer in commercial high-resolution multispectral imagery, offering a 20-meter spatial resolution in multispectral mode and a 10-meter resolution in panchromatic mode. This allowed it to capture detailed images for cartography and geology.
What major global event did SPOT-1 capture shortly after its launch?
In the same year it was launched, SPOT-1 provided vital, high-resolution imagery of the immediate aftermath of the Chernobyl nuclear disaster in Ukraine. These satellite images were among the first unclassified, publicly available views of the destroyed reactor.
How long did SPOT-1 actively operate in Earth's orbit?
SPOT-1 far exceeded its initial design life of 3 years, actively operating and transmitting valuable Earth observation data until 2002. After its mission ended, it was safely de-orbited to burn up in the atmosphere in 2003.
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