The Nimbus satellites were second-generation U.S. unmanned spacecraft for meteorological research and development. The spacecraft were designed to serve as stablized, Earth-oriented platforms for the testing of advanced systems to sense and collect atmospheric science data. Seven Nimbus spacecraft have been launched into near-polar, Sun-synchronous orbits beginning with Nimbus 1 on August 28, 1964. On board the Nimbus satellites are various instrumentation for imaging, sounding, and other studies in different spectral regions.
Operation History of the Nimbus Satellites
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