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  1. Catalog of Earth Satellite Orbits - NASA Earth Observatory

    • Learn about the different types and properties of Earth orbits, and how they affect the view and function of satellites. Explore the diagrams, animations, and examples of high, medium, and low Earth orbits, … See more

    Performance

    Just as different seats in a theater provide different perspectives on a performance, different Earth orbits give satellites varying perspectives, each valuable for different reasons. S… See more

    NASA Earth Observatory
    Types

    There are essentially three types of Earth orbits: high Earth orbit, medium Earth orbit, and low Earth orbit. Many weather and some communications satellites tend to have a hig… See more

    NASA Earth Observatory
    Example

    Changing a satellites height will also change its orbital speed. This introduces a strange paradox. If a satellite operator wants to increase the satellites orbital speed, he c… See more

    NASA Earth Observatory
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  2. Earth observation satellites12345can be in different orbits:
    • Low Earth orbit (LEO): Starts just above the top of the atmosphere and is used by most scientific satellites.
    • Synchronous sub-recurrent orbit: A type of polar orbit that allows satellites to pass over polar regions.
    • Geostationary orbit: At 36,000 km, it allows a satellite to hover over a constant spot on Earth, providing uninterrupted coverage.
    • Nearly polar orbit: Highly inclined orbit where the satellite moves around the Earth from pole to pole, taking about 99 minutes to complete an orbit.
    Learn more:
    Most scientific satellites, including NASA’s Earth Observing System fleet, have a low Earth orbit. One way of classifying orbits is by altitude. Low Earth orbit starts just above the top of the atmosphere, while high Earth orbit begins about one tenth of the way to the moon.
    earthobservatory.nasa.gov/features/OrbitsCatalog
    Mainly, Earth observation satellites use a synchronous sub-recurrent orbit, a type of polar orbit (orbit which passes over polar regions).
    earth.jaxa.jp/en/eo-knowledge/eosatellite-type/inde…
    Each satellite makes a complete orbit every 99 minutes, completes about 14 full orbits each day, and crosses every point on Earth once every 16 days.
    pubs.usgs.gov/fs/2015/3081/fs20153081.pdf
    A geostationary orbit, at 36,000 km (22,000 mi), allows a satellite to hover over a constant spot on the earth since the orbital period at this altitude is 24 hours. This allows uninterrupted coverage of more than 1/3 of the Earth per satellite, so three satellites, spaced 120° apart, can cover the whole Earth.
    en.wikipedia.org/wiki/Earth_observation_satellite
    Many of the satellites in NASA’s Earth Observing System have a nearly polar orbit. In this highly inclined orbit, the satellite moves around the Earth from pole to pole, taking about 99 minutes to complete an orbit. During one half of the orbit, the satellite views the daytime side of the Earth.
    earthobservatory.nasa.gov/features/OrbitsCatalog/…
     
  3. List of Earth observation satellites - Wikipedia

    87 rows · Earth observation satellites are Earth-orbiting spacecraft with …

     
  4. Earth observation satellite - Wikipedia

  5. Catalog of Earth Satellite Orbits - NASA Earth …

    Satellites in geostationary orbit rotate with the Earth directly above the equator, continuously staying above the same spot. This position allows satellites to observe weather and other phenomena that vary on short timescales. (NASA …

  6. NASA's Earth Observing System

  7. NASA Earth Observatory - Home

    People have developed systems to harvest and store energy from sources such as wind, sunlight, and tidal action. Many of these installations are visible from orbit. Published May 10, 2024. Land Human Presence

  8. Earth Observing System - Wikipedia

  9. Earth Observing Satellites Online Compendium

  10. Terra | The EOS Flagship

    Dec 18, 2010 · For 20 years, Terra, the flagship Earth observing satellite, has chronicled changes on Earth. Designed and built in the 1980s and 90s, NASA and Lockheed Martin engineers set out to build a satellite that could take …

  11. WMO OSCAR | List of all Satellites - World Meteorological …

  12. Earth observation satellites - World Meteorological Organization

  13. Types of Earth observation satellites - JAXA Earth-graphy / Space ...

  14. ESA - Types of orbits - European Space Agency

  15. Catalog of Earth Satellite Orbits - NASA Earth Observatory

  16. Geostationary Satellites | NESDIS - National Environmental …

  17. Aqua Earth-Observing Satellite Mission | Aqua Project Science

  18. 10 things to know about Earth observation satellites - Viasat

  19. Types Of Satellites By Orbits, Functions, And Practical Uses

  20. First Images from Maxar’s Third and Fourth WorldView Legion…

  21. GeoXO - NASA Science

  22. About Orbits - NASA Earth Observatory

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