Low 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]
Low Earth Orbit Visualization | LeoLabs
A visualization of satellites, debris, and other objects tracked by LeoLabs in low earth orbit
Low Earth orbit (LEO) | Definition, Distance, & Facts | Britannica
Dec 21, 2024 · 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.
What is low Earth orbit? | Space
May 30, 2022 · In very simple terms, low Earth orbit (LEO) is exactly what it sounds like: An orbit around the Earth with an altitude that lies towards the lower end of the range of possible orbits.
Observing our Planet from Low Earth Orbit - NASA
Jul 24, 2022 · Orbiting around Earth every 90 minutes at an altitude of approximately 400 kilometers (250 miles), the International Space Station provides a spectacular vantage point to take pictures of our planet. From this setting, crew members aboard the space station have taken more than 3.5 million photographs of Earth.
NASA Finalizes Strategy for Sustaining Human Presence in Low Earth Orbit
Dec 16, 2024 · Developed with input from a wide range of stakeholders, NASA’s Low Earth Orbit Microgravity Strategy will guide the agency toward the next generation of continuous human presence in orbit, enable greater economic growth, and maintain international partnerships.
Very low Earth orbit - Wikipedia
Very low Earth orbit is a range of orbital altitudes below 400 km (250 mi), and is of increasing commercial importance in a variety of scenarios and for multiple applications, in both private and government satellite operations.
What Is Low Earth Orbit? A Basic Explainer - ExtremeTech
Jan 12, 2025 · An object is said to be in low Earth orbit if it completes a revolution every 128 minutes or less. A 128-minute orbit, according to Kepler's third law, works out to a semi-major axis of 8,413...
What is Low Earth Orbit? - Universe Today
Jan 6, 2017 · For over 70 years, Low-Earth Orbit has been the playground of human space capability. On occasion, we have ventured beyond the playground and farther out into the Solar System (and even...
Commercial Space Frequently Asked Questions - NASA
Apr 7, 2024 · What is LEO (low Earth orbit)? Low Earth orbit (LEO) encompasses Earth-centered orbits with an altitude of 1,200 miles (2,000 km) or less. This orbit is considered near enough to Earth for convenient transportation, communication, observation, and resupply.
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