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This is an accepted version of this page This is the latest accepted revision, reviewed on 7 February 2025. Inhabited space station in low Earth orbit (1998–present) "ISS" redirects here. For other uses, see ISS (disambiguation). International Space Station (ISS) Oblique underside view in November 2021 International Space Station programme emblem with flags of the original signatory states ...
A wide variety of sources [5] [6] [7] define LEO in terms of altitude.The altitude of an object in an elliptic orbit can vary significantly along the orbit. Even for circular orbits, the altitude above ground can vary by as much as 30 km (19 mi) (especially for polar orbits) due to the oblateness of Earth's spheroid figure and local topography.
High Earth orbit: geocentric orbits above the altitude of geosynchronous orbit (35,786 km or 22,236 mi). [8] For Earth orbiting satellites below the height of about 800 km, the atmospheric drag is the major orbit perturbing force out of all non-gravitational forces. [11]
Earth's atmosphere photographed from the International Space Station.The orange and green line of airglow is at roughly the altitude of the Kármán line. [1]The Kármán line (or von Kármán line / v ɒ n ˈ k ɑːr m ɑː n /) [2] is a conventional definition of the edge of space; it is widely but not universally accepted.
An example of this is the International Space Station (ISS), which has an operational altitude above Earth's surface of between 400 and 430 km (250-270 mi). Due to atmospheric drag the space station is constantly losing orbital energy.
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ISRO chairman K. Sivan announced in 2019 that India will not join the International Space Station, but will instead build a space station of its own. [94] of 52 Tonne Mass [95] It is intended to be completed 5–7 years after the conclusion of the Gaganyaan program. [96] Starlab: NanoRacks Voyager Space Airbus MDA Space Mitsubishi Corporation ...
The stratosphere is the second-lowest layer of Earth's atmosphere. It lies above the troposphere and is separated from it by the tropopause. This layer extends from the top of the troposphere at roughly 12 km (7.5 mi; 39,000 ft) above Earth's surface to the stratopause at an altitude of about 50 to 55 km (31 to 34 mi; 164,000 to 180,000 ft).