Minimize Nimbus-7
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Launched on 24 October 1978, the Nimbus-7 platform was the last mission belonging to the Nimbus Program, a meteorological research-and-development satellite program. This series of seven satellites, aimed primarily at testing new instruments and technologies, was operated by NASA and NOAA. The Nimbus-7 spacecraft was designed to sense and collect atmospheric and ocean colour data, and eventually the Nimbus series grew into an important Earth sciences program.

Among the instruments onboard the Nimbus-7 satellite was the Coastal Zone Colour Scanner (CZCS). This is a multi-channel scanning radiometer designed to map chlorophyll concentration in water, sediment distribution, temperature of coastal waters, ocean currents and gelbstoff concentration, as a salinity indicator.

More information can be found at the below links:

Minimize Mission Facts and Figures
Operators NASA, NOAA
Date of Launch 24 October 1978
Status CZCS sensor out of service since June 1986
Orbit Height 955km
Orbit Type Sun Synchronous
Repeat Cycle 6 days
Resolution CZCS: 825m
Swath Width CZCS: 1556km
Onboard Sensors provided under TPM CZCS (Coastal Zone Colour Scanner)