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Orchestrating NASA’s Fleet of Earth Observing Satellites
NASA’s current satellite fleet includes 20 Earth-observing missions. While each satellite performs independent mission work, some augment their science capabilities by flying in close, coordinated proximity to one another as part of a constellation—e.g., the Afternoon Constellation, or “A-Train.” Maintaining the orbits of each of these missions and keeping them all safely operating presents daily challenges. On page 4 of the March-April issue of The Earth Observer, we provide an overview of NASA’s Earth Science Mission Operations (ESMO) Project.
Content Link:
https://eospso.gsfc.nasa.gov/sites/default/files/eo_pdfs/Mar_Apr_2016_508_color.pdf
Image:
![](https://eospso.nasa.gov/sites/default/files/Featured/esmo.png)
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