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SPOT (Satellite Probatoire d'Observation de la Terre)





SPOT 4
SPOT 4
A civilian Earth observation program, sponsored by the French government with support from Belgium and Sweden. A single SPOT satellite provides complete coverage of the Earth every 26 days and produces images with a resolution of up to 10 m. Image products from SPOT are handled commercially by SPOT-Image Corp. All the SPOT satellites were launched from Kourou and measured approximately 3.5 m in length with a maximum diameter of 2.0 m.


spacecraft launch date launch vehicle orbit mass (kg)
SPOT 1 Feb. 22, 1986 Ariane 1 821 × 823 km × 98.7° 1,830
SPOT 2 Jan. 22, 1990 Ariane 4 821 × 823 km × 98.7° 1,837
SPOT 3 Sep. 26, 1993 Ariane 4 821 × 823 km × 98.7° 1,907
SPOT 4 Mar. 24, 1998 Ariane 4 824 × 826 km × 98.7° 2,755


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