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gptkbp:instanceOf
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gptkb:Astronomical_object
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gptkbp:alternativeName
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Earth-crossing asteroid
NEO (Near-Earth Object)
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gptkbp:canBe
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gptkb:asteroid
Monolithic
Binary system
Rubble pile
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gptkbp:cataloguedIn
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gptkb:Minor_Planet_Center
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gptkbp:composition
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gptkb:Rocky
Metallic
Carbonaceous
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gptkbp:defines
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An asteroid whose orbit brings it close to Earth's orbit
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gptkbp:designation
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gptkb:NEA
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gptkbp:diameter
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A few meters to several kilometers
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gptkbp:discoveredBy
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1898
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gptkbp:discoveryMethod
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Optical telescope
Space probe
Radar observation
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gptkbp:example
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gptkb:101955_Bennu
gptkb:99942_Apophis
gptkb:433_Eros
gptkb:162173_Ryugu
gptkb:4179_Toutatis
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gptkbp:hasCloseApproach
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gptkb:Earth
gptkb:Mars
gptkb:Mercury
gptkb:Venus
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gptkbp:hasOrbitalPeriod
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Less than 200 years
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gptkbp:hasPopulation
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Over 30,000 known
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gptkbp:impact
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gptkb:Earth
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gptkbp:mission
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gptkb:Hayabusa2
gptkb:OSIRIS-REx
gptkb:DART
gptkb:NEAR_Shoemaker
gptkb:Lucy
gptkb:Psyche
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gptkbp:monitors
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Impact risk
Planetary defense programs
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gptkbp:orbitType
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Sun
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gptkbp:riskFactor
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gptkb:Sentry_system
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gptkbp:studiedBy
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gptkb:NASA
gptkb:ESA
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gptkbp:subclassOf
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gptkb:asteroid
gptkb:Amor_asteroid
gptkb:Aten_asteroid
gptkb:Atira_asteroid
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gptkbp:bfsParent
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gptkb:(1580)_Betulia
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gptkbp:bfsLayer
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8
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https://www.w3.org/2000/01/rdf-schema#label
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Near-Earth asteroid
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