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NEO Surveyor, formerly called Near-Earth Object Camera (NEOCam), then NEO Surveillance Mission, is a planned space-based infrared telescope designed to survey the Solar System for potentially hazardous asteroids.
The LINEAR project began operating a near-Earth object discovery facility in 1996 using a 1.0 m (39 in) aperture telescope designed for the Air Force Space Command's Ground-based Electro-Optical Deep Space Surveillance (GEODSS). The wide-field Air Force telescopes were designed for optical observation of Earth-orbiting spacecraft.
The Near Earth Network (NEN, formerly GN or Ground Network) provides orbital communications support for near-Earth orbiting customer platforms via various ground stations, operated by NASA and other space agencies. It uses a number of different dishes scattered around the globe.
Near-Earth comets (NECs) are objects in a near-Earth orbit with a tail or coma made up of dust, gas or ionized particles emitted by a solid nucleus. Comet nuclei are typically less dense than asteroids but they pass Earth at higher relative speeds, thus the impact energy of a comet nucleus is slightly larger than that of a similar-sized ...
The space rock last made a pass of Earth in 2013, and will make another approach in 2035, according to Nasa’s data. The object was first spotted by Nasa’s Near-Earth Object (NEO) Observations ...
"NEO Earth Close Approaches" – NASA/JPL's Near-Earth Object Program Office "NEO Earth Close-Approaches" (Between 1900 A.D. and 2200 A.D., NEOs with H <=22, nominal distance within 5 LD) – NASA/JPL's Near-Earth Object Program Office "Near Earth Asteroids (NEAs): A Chronology of Milestones" – International Astronomical Union; NEODyS-2 ...
About 1000 objects per year EURONEAR: 2006 [2] International Near-Earth Asteroid Survey: Lincoln Near-Earth Asteroid Research (LINEAR) 1998 Lowell Observatory Near-Earth-Object Search: 1993 2008 Near Earth Object Surveillance Satellite: 2013 Microsatellite observatory Near-Earth Asteroid Tracking (NEAT) 1995 2007 NELIOTA: 2017 2023
As of September 2023, there are over 32,955 near-Earth objects of which roughly 1,620 near-Earth asteroids are listed on the risk table. [1] Only around 19 objects on the risk table are large enough to qualify as potentially hazardous objects with a diameter greater than 140 meters (absolute magnitude brighter than 22). About 99% of the objects ...
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