15%) Atens: 2,952 (7.9%) Comets: 123 (0.33%) Atiras: 34 (0.09%) A near-Earth object (NEO) is any small Solar System body orbiting the Sun whose closest...

hazardous object (PHO) is a near-Earth object – either an asteroid or a comet – with an orbit that can make close approaches to the Earth and which is...

DANEOPS, the DLR-Archenhold Near Earth Objects Precovery Survey, has been initiated to systematically search existing photographic plate archives for precovery...

scale is a method for categorizing the impact hazard associated with near-Earth objects (NEOs) such as asteroids and comets. It is intended as a communication...

Lowell Observatory Near-Earth-Object Search (LONEOS) was a project designed to discover asteroids and comets that orbit near the Earth. The project, funded...

program (Campo Imperatore Near-Earth Object Survey), started in 2001, is dedicated to the discovery and follow-up of near-Earth objects (NEOs), namely asteroids...

Near-Earth Asteroid Tracking (NEAT) was a program run by NASA and the Jet Propulsion Laboratory, surveying the sky for near-Earth objects. NEAT was conducted...

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

asteroids, also known as interior-Earth objects (IEOs), are Near-Earth objects whose orbits are entirely confined within Earth's orbit; that is, their orbit...

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

2456 Palamedes, and the eponymous 3494 Purple Mountain. The Chinese Near-Earth Object Survey (CNEOS), based at the Xuyi Station (D29) in Xuyi, Jiangsu,...

The Center for Near-Earth Object Studies (CNEOS) is the Jet Propulsion Laboratory's (JPL's) facility for computing asteroid and comet orbits and their...

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

number of smaller objects of historical or scientific interest, such as comets and near-Earth objects. Many trans-Neptunian objects (TNOs) have been discovered;...

asteroid close approaches to Earth in 2025. Near-Earth object detection technology began to improve around 1998, so objects being detected as of 2004 could...

2024 MK is a S-type near-Earth object with a diameter around 150 meters that flew past Earth on June 29, 2024. It was discovered by ATLAS South Africa...

This is a list of possibly hazardous near-Earth objects with Torino scale rankings that are non-zero or that were, at one time, non-zero. The Torino scale...

The Near-Earth Object Coordination Centre (NEOCC) is the main centre of the Planetary Defence Office of the European Space Agency (ESA). The NEOCC, which...

scale used by astronomers to rate the potential hazard of impact of a near-Earth object (NEO). It combines two types of data—probability of impact and estimated...

discover, catalogue, and study near-Earth objects (NEO), especially those that may impact Earth (potentially hazardous objects). Asteroids are discovered...

2024 PT5 is a near-Earth object roughly 11 meters (36 ft) in diameter discovered by ATLAS South Africa, Sutherland on 7 August 2024, the day before approaching...

original USA Spaceguard mandate was extended by the George E. Brown, Jr. Near-Earth Object Survey Act, which calls for NASA to detect 90% of NEOs with diameters...

2024 ON is a near-Earth object with a length around 350 meters that flew past Earth on 17 September 2024 at a distance of 620,000 miles (1,000,000 km)...

238,860 mi)) from Earth in 2025, as of 8 April 2025[update], based on the close approach database of the Center for Near-Earth Object Studies (CNEOS)....

or meteoroids and have minimal effect. When large objects impact terrestrial planets such as the Earth, there can be significant physical and biospheric...

rediscovery of the original 1928 UF, and this object was named 3789 Zhongguo, which is also a name for China. The near-Earth asteroid (29075) 1950 DA was discovered...

MZ8) is a near-Earth object and a potentially hazardous asteroid, meaning that it has an orbit that can make close approaches to the Earth and large enough...

conjunction with B612 Foundation members, helped obtain UN oversight of near-Earth object (NEO) tracking and deflection missions through COPUOS along with its...

Review Near-Earth Object Surveys and Hazard Mitigation Strategies; Space Studies Board; National Research Council (21 June 2010). Defending Planet Earth: Near-Earth...

a Near-Earth object (NEO). It is an Atira asteroid, which is by far the smallest group of near-Earth objects. This makes it an interior-Earth object (IEO)...