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gptkbp:instanceOf
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astronomical object classification
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gptkbp:abbreviation
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gptkb:NEOs
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gptkbp:cataloguedIn
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gptkb:Minor_Planet_Center
gptkb:JPL_Small-Body_Database
gptkb:NEODyS_database
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gptkbp:definedIn
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asteroids or comets whose orbits bring them close to Earth
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gptkbp:discoveredBy
|
1898
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gptkbp:firstDiscoveredObject
|
gptkb:433_Eros
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Near-Earth Objects
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gptkbp:impact
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gptkb:Earth
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gptkbp:includes
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gptkb:Near-Earth_comets
Near-Earth asteroids
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gptkbp:monitors
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gptkb:NASA
gptkb:Minor_Planet_Center
gptkb:ESA
|
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gptkbp:numberKnown
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over 32,000 (as of 2024)
|
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gptkbp:numberPotentiallyHazardous
|
over 2,300 (as of 2024)
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gptkbp:orbitType
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gptkb:Apollo
gptkb:Aten
gptkb:Amor
gptkb:Atira
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gptkbp:potentiallyHazardous
|
yes
|
|
gptkbp:publiclyTrackedSince
|
1990s
|
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gptkbp:relatedTo
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gptkb:Chicxulub_impactor
gptkb:Tunguska_event
gptkb:Chelyabinsk_meteor
mass extinction events
asteroid impact avoidance
|
|
gptkbp:riskFactor
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gptkb:Sentry_system
|
|
gptkbp:riskScale
|
gptkb:Palermo_Technical_Impact_Hazard_Scale
gptkb:Torino_Scale
|
|
gptkbp:studiedBy
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scientific research
planetary defense
resource utilization
Planetary defense researchers
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gptkbp:subclassOf
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small Solar System bodies
|
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gptkbp:subjectOf
|
gptkb:OSIRIS-REx_mission
gptkb:DART_mission
gptkb:Hayabusa2_mission
gptkb:NEO_Surveyor_mission
public awareness campaigns
planetary defense missions
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gptkbp:threats
|
life on Earth
|
|
gptkbp:trackedBy
|
gptkb:ATLAS
gptkb:NEOWISE
gptkb:Zwicky_Transient_Facility
gptkb:Catalina_Sky_Survey
gptkb:LINEAR
gptkb:Spacewatch
gptkb:Pan-STARRS
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gptkbp:国际合作
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gptkb:Spaceguard_Foundation
|
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gptkbp:bfsParent
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gptkb:Minor_Planet_Center_NEO_List
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gptkbp:bfsLayer
|
6
|