There's nothing innate about the Earth or its atmosphere that marks the boundaries of low Earth orbit. This is a distinction ...

A 128-minute orbit, according to Kepler's third law, works out to a semi-major axis of 8,413 km (5,228 mi). Such an object with less than 0.25 eccentricity (a roughly circular orbit), therefore ...

Earlier this year, astronauts Butch Wilmore and Suni Williams were sent into orbit on a Boeing Starliner. What initially looked like a feel-good storyline for the company has turned into something ...

The permissible degree of eccentricity can be expressed by a plus and minus wall thickness tolerance. If you have any comments or questions about the glossary, please contact Dan Davis, ...

NASA's technology-demonstrating Advanced Composite Solar Sail System (ACS3) has a bent boom in Earth orbit, a newly released photo shows. The ACS3 spacecraft launched April 23 to test key aspects ...

These five satellites are the largest commercial communications arrays ever launched in low Earth orbit," commented Abel Avellan, Founder, Chairman and CEO of AST SpaceMobile. "It is a significant ...

NASA has announced that an airplane-sized “city killer” asteroid will skim past Earth today — one of four “hazardous” space rocks to graze our orbit in less than 12 hours. Dubbed 2002 ...

But this definition is rather ambiguous in the sense that it gives no bounds on either the degree of eccentricity of the circular orbit, or on the inclination angle of the orbit within which the ...

Credit: Orbital Today. A communications satellite designed and built by Boeing has disintegrated in orbit, marking another setback for the aerospace giant as it grapples with multiple crises.

A propulsion issue discovered after the satellite was launched took some years off its orbit lifespan. It was also the second satellite launched as part of Intelesat’s EpicNG platform.

The SpaceX Dragon Freedom spacecraft is pictured from a window on the Dragon Endeavour spacecraft in a photograph taken by NASA astronaut and Expedition 72 Flight Engineer Nick Hague. 258 miles below ...

The Boeing-made Intelsat 33e satellite broke apart in orbit over the weekend. But company representatives don't yet know why. Boeing's Intelsat 33e satellite — a large communications satellite ...