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Design Concept



The MODIS instrument has been designed and developed since the Engineering Model (EM) was completed in mid-1995. Since then, two spaceflight units, the Protoflight Model (PFM) (aboard the Terra Satellite) , and the Flight Model 1 (FM1) (aboard the Aqua Satellite) have been completed and launched. Terra was launched on December 18, 1999, and Aqua was launched on May 4, 2002. The MODIS instruments — built to NASA specifications by Santa Barbara Remote Sensing — represent the finest in engineering of spaceflight hardware for remote sensing.

The MODIS instruments were designed with the following subsystems and abilities. Follow the highlighted links for more technical descriptions of each subsystem.



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Curator: Brandon Maccherone
NASA Official: Shannell Frazier

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