The Near Earth Object Surveillance Satellite (NEOSSat) is a Canadian microsatellite using a 15-cm aperture f/5.88 Maksutov telescope (similar to that on...

NEO Surveyor, formerly called Near-Earth Object Camera (NEOCam), then NEO Surveillance Mission, is a planned space-based infrared telescope designed to...

States Space Surveillance Network (SSN) detects, tracks, catalogs and identifies artificial objects orbiting Earth, e.g. active/inactive satellites, spent rocket...

Society beginning in 1970 Near Earth Space Surveillance (NESS), a mission of the Near Earth Object Surveillance Satellite NESS Energy Project, an incinerator...

A satellite or artificial satellite is an object, typically a spacecraft, placed into orbit around a celestial body. Satellites have a variety of uses...

layered constellations of Earth satellites and Earth stations Space Delta 7 (U.S. Space Force) Reconnaissance Surveillance and Target Acquisition (RSTA)...

height. Orbits of satellites that reach altitudes below 300 km (190 mi) decay fast due to atmospheric drag. Objects in LEO orbit Earth between the denser...

List of near-Earth object observation projects is a list of projects that observe Near-Earth objects. Most are astronomical surveys intended to find undiscovered...

substantial assistance from the U.S. Air Force. The CORONA satellites were used for photographic surveillance of the Soviet Union (USSR), China, and other areas...

United States Space Surveillance Network List of largest optical reflecting telescopes Space debris Near-earth objects Satellites Asteroid impact prediction...

which the density of objects in low Earth orbit (LEO) due to space pollution is numerous enough that collisions between objects could cause a cascade...

avoidance comprises the methods by which near-Earth objects (NEO) on a potential collision course with Earth could be diverted away, preventing destructive...

can attack space systems in orbit (for example, anti-satellite weapons), attack targets on the earth from space or disable missiles travelling through space...

Earth observation satellites for missions targeting Earth. Two values are provided for the dimensions of the initial orbit. For telescopes in Earth orbit...

generally refers to the use of satellite- or aircraft-based sensor technologies to detect and classify objects on Earth. It includes the surface and the...

Near-Earth objects and near earth asteroids are reported by ESA through the space situational awareness center. Kessler syndrome Space surveillance United...

Technology's Lincoln Laboratory for the systematic detection and tracking of near-Earth objects. LINEAR was responsible for the majority of asteroid discoveries from...

The Space Based Space Surveillance (SBSS) system is a planned United States Space Force constellation of satellites and supporting ground infrastructure...

Surveillance is the monitoring of behavior, many activities, or information for the purpose of information gathering, influencing, managing or directing...

idea of a geosynchronous satellite—one that could orbit the Earth above the equator and remain fixed by following the Earth's rotation—was first proposed...

discovering near-Earth objects. There are plans for a new space based thermal infrared survey telescope, Near-Earth Object Surveillance Mission, due...

Sapphire (Space Surveillance Mission of Canada), a minisatellite with a mass of 148 kg. • NEOSSat (Near Earth Object Surveillance Satellite), a microsatellite...

Near-Earth Objects (NEOs), such as horseshoe librators and Earth trojans, with some NEOs at times becoming temporary satellites and quasi-moons to Earth....

The Space Tracking and Surveillance System (STSS; formerly SBIRS-Low) was a pair of satellites developed by the United States Missile Defense Agency (MDA)...

collision the U.S. Space Surveillance Catalog listed 916 and 212 debris still in orbit, respectively. A small piece of Kosmos-2251 satellite debris safely passed...

high-resolution photographic reconnaissance and surveillance missions, which utilized film-return systems. DMSP satellites operated in a Sun-synchronous orbit; passing...

Google Earth is a computer program that renders a 3D representation of Earth based primarily on satellite imagery. The program maps the Earth by superimposing...

Mass surveillance is the intricate surveillance of an entire or a substantial fraction of a population in order to monitor that group of citizens. The...

attacking satellites from the Earth; space-to-space warfare, such as satellites attacking satellites; and space-to-ground warfare, such as satellites attacking...

Space Surveillance System combines large-aperture tracking optics with visible and infrared sensors to collect data on near Earth and deep-space objects. In...