|
gptkbp:instanceOf
|
gptkb:asteroid
|
|
gptkbp:albedo
|
0.046
|
|
gptkbp:aphelion
|
1.356 AU
|
|
gptkbp:apparentMagnitude
|
20.0
|
|
gptkbp:density
|
~1.19 g/cm³
|
|
gptkbp:diameter
|
490–510 meters
~492 meters
|
|
gptkbp:discoveredBy
|
gptkb:LINEAR_Project
|
|
gptkbp:discoveredIn
|
1999-09-11
|
|
gptkbp:discoverySite
|
gptkb:Socorro,_New_Mexico,_USA
|
|
gptkbp:eccentricity
|
0.2037
|
|
gptkbp:foundIn
|
gptkb:United_States
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
asteroid Bennu
|
|
gptkbp:inclination
|
6.034 degrees
|
|
gptkbp:mass
|
~7.8×10^10 kg
|
|
gptkbp:minimumOrbitIntersectionDistance
|
0.003 AU
|
|
gptkbp:namedAfter
|
gptkb:Bennu_(Egyptian_mythological_bird)
|
|
gptkbp:NASAJPLSmallBodyDatabaseID
|
101955
|
|
gptkbp:nearestCity
|
2135
|
|
gptkbp:officialName
|
gptkb:101955_Bennu
|
|
gptkbp:orbitalResonanceWithEarth
|
1:1 (quasi-resonant)
|
|
gptkbp:orbitType
|
1.2 years
|
|
gptkbp:OSIRIS-RExArrivalDate
|
2018-12-03
|
|
gptkbp:OSIRIS-RExSampleCollectionDate
|
2020-10-20
|
|
gptkbp:OSIRIS-RExSampleReturnToEarth
|
2023-09-24
|
|
gptkbp:parentBody
|
gptkb:main_asteroid_belt
|
|
gptkbp:perihelion
|
0.897 AU
|
|
gptkbp:potentiallyHazardous
|
true
|
|
gptkbp:provisionalDesignation
|
gptkb:1999_RQ36
|
|
gptkbp:regolith
|
present
|
|
gptkbp:returnDate
|
2023-09-24
|
|
gptkbp:riskListedBy
|
gptkb:Sentry_Risk_Table
|
|
gptkbp:rotationPeriod
|
retrograde
4.3 hours
|
|
gptkbp:sampleReturnedBy
|
gptkb:OSIRIS-REx
|
|
gptkbp:semiMajorAxis
|
1.126 AU
|
|
gptkbp:shape
|
spinning top
|
|
gptkbp:spectralType
|
B-type
|
|
gptkbp:surface
|
craters
boulders
carbonaceous material
regolith ponds
|
|
gptkbp:surfaceGravity
|
~0.0001 g
|
|
gptkbp:visitedBy
|
gptkb:OSIRIS-REx_spacecraft
|
|
gptkbp:YarkovskyEffectObserved
|
true
|
|
gptkbp:bfsParent
|
gptkb:OSIRIS-REx_mission
|
|
gptkbp:bfsLayer
|
5
|