Geosynchronous orbits are vital for communications and Earth-monitoring satellites. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A ...

The 1st Space Operations Squadron has upgraded the Geosynchronous Space Situational Awareness Program's ground system. (U.S. Air Force) The 1st Space Operations Squadron recently completed a major ...

A small asteroid came within a cosmic hairbreadth of the ring of communications satellites circling the Earth in geosynchronous orbit this week. Passing by our planet at an altitude of about 35,000 km ...

An artist's rendition of DARPA's RSGS robotic payload on board SpaceLogistics' Mission Robotic Vehicle. (Northrop Grumman) SpaceLogistics will work with DARPA to develop a robotic servicing spacecraft ...

A Long March 3B lifts off from Xichang, sending Shijian-25 on its way to orbit, Jan. 6, 2025. Credit: Ourspace HELSINKI — China’s experimental Shijian-21 and Shijian-25 satellites have separated in ...

Early this evening in Florida, space transport company SpaceX successfully launched its Falcon 9 rocket on a trajectory to place a satellite in geosynchronous orbit. The success comes on the third ...

The Space Force's Geosynchronous Space Situational Awareness Program satellites, depicted here, serve a neighborhood watch function in geosynchronous orbit. (U.S. Air Force) The Space Force is ...

China will have a permanent view of nearly one-third of the Earth’s surface, with the launch of the world’s first geosynchronous orbit synthetic aperture radar (SAR) satellite. The civilian-use Ludi ...

Geosynchronous Synthetic Aperture Radar (GEO SAR) systems represent a promising frontier in Earth observation technology, offering continuous monitoring of specified regions with exceptionally short ...

During the Cold War the U.S. and Soviet Union had a gentlemen's agreement to avoid targeting one another's geostationary satellites, which are crucial for weather forecasts, satellite TV, global ...

A geosynchronous orbit is a geocentric orbit that has the same orbital period as the sidereal rotation period of the Earth. It has a semi-major axis of 42,164 km (26,200 miles). In the special case of ...