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SESK: Stuff Everyone Should Know · sesk.info/aero-geostationary-stays-overhead

Why are many weather satellites placed in geostationary orbit?

They stay over the same spot, giving a constant view of one area.

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  1. They pass over both poles every orbit
  2. They stay above the same spot on Earth ✔
  3. They fly low for close-up photos

Why: A geostationary satellite circles over the equator once a day in a perfectly round orbit, so it seems to hang still over one place. Forecasters can watch clouds and storms over that region nonstop.

Huh, didn't know that: A geostationary orbit is both circular and equatorial, with zero eccentricity and zero inclination.

The dad joke
Geostationary satellites are the best babysitters. They never take their eyes off you.
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References

Answer: They stay above the same spot on Earth. A geostationary satellite circles over the equator once a day in a perfectly round orbit, so it seems to hang still over one place. Forecasters can watch clouds and storms over that region nonstop.

  1. NASA Earth Observatory, Catalog of Earth Satellite Orbits science.nasa.gov/earth/earth-observatory/catalog-of-earth-satellite-orbits
    A geostationary orbit is extremely valuable for weather monitoring because satellites in this orbit provide a constant view of the same surface area.
    Checked 2026-10-10.

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