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  1. en.wikipedia.org › wiki › Low_Earth_orbitLow Earth orbit - Wikipedia

    A low Earth orbit (LEO) is an orbit around Earth with a period of 128 minutes or less (making at least 11.25 orbits per day) and an eccentricity less than 0.25. [ 1 ] Most of the artificial objects in outer space are in LEO, peaking in number at an altitude around 800 km (500 mi), [ 2 ] while the farthest in LEO, before medium Earth orbit (MEO ...

  2. www.britannica.com › technology › low-Earth-orbitLow Earth orbit (LEO) | Definition, Distance, & Facts ...

    Oct 12, 2024 · News •. low Earth orbit (LEO), region of space where satellites orbit closest to Earth ’s surface. There is no official definition of this region, but it is usually considered to be between 160 and 1,600 km (about 100 and 1,000 miles) above Earth. Satellites do not orbit below 160 km because they are affected by atmospheric drag.

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    • Illustration of the low earth orbit (LEO) and geostationary earth orbit ...
    • ESA - Types of orbits
    • Low Earth orbit - Wikipedia
    • Low Earth Orbit - Explained - NSTXL

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  4. www.spacefoundation.org › space_brief › types-of-orbitsTypes of Orbits - Space Foundation

    Oct 1, 2024 · Types of Orbits. Written by: Space Foundation Editorial Team. There are several types of Earth orbit, and each offers certain advantages and capabilities. Low Earth Orbit (LEO) LEO is commonly used for communication and remote sensing satellite systems, as well as the International Space Station (ISS) and Hubble Space Telescope. Medium Earth Orbit

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  5. education.nationalgeographic.org › resource › orbitOrbit - Education | National Geographic Society

    Apr 4, 2024 · There are three major types of geocentric orbits: low-Earth orbit (LEO), medium-Earth orbit (MEO), and geostationary orbit. Low-Earth orbit exists between 160 kilometers (100 miles) and 2,000 kilometers (1,240 miles) above Earth's surface. Most artificial satellites with human crews are in low-Earth orbit.

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  7. ourworldindata.org › grapher › low-earth-orbits-objectsTracked objects in low Earth orbit, by type - Our World in Data

    Donate now. Objects are subtracted from the time series after they have reentered the Earth's atmosphere. Not all objects are tracked: in 2021, the European Space Agency estimated there were more than 130 million space debris objects larger than 1 millimeter.

  8. earthobservatory.nasa.gov › features › OrbitsCatalogCatalog of Earth Satellite Orbits - NASA Earth Observatory

    Two medium Earth orbits are notable: the semi-synchronous orbit and the Molniya orbit. The semi-synchronous orbit is a near-circular orbit (low eccentricity) 26,560 kilometers from the center of the Earth (about 20,200 kilometers above the surface). A satellite at this height takes 12 hours to complete an orbit.

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  10. letstalkscience.ca › educational-resourcesIntroduction to Satellites - Let's Talk Science

    Dec 8, 2021 · Where a satellite orbits has a lot to do with its function. There are three main regions where satellites orbit. These are known as Low Earth Orbits, Medium Earth Orbits and Geosynchronous Orbits. Low Earth Orbit (LEO) Low Earth Orbit (LEO) is the easiest orbit to get satellites to follow and the majority of satellites are in the LEO ...