90 Antiope

URI: https://gptkb.org/entity/90_Antiope

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:binary_asteroid gptkb:asteroid
gptkbp:albedo	0.06
gptkbp:apparentMagnitude	8.5
gptkbp:ascendingNodeLongitude	199.2°
gptkbp:binaryComponents	Antiope A Antiope B
gptkbp:binarySystem	true
gptkbp:diameter	~86 km (each component)
gptkbp:discoveredBy	gptkb:Robert_Luther
gptkbp:discoveredIn	1866-10-01
gptkbp:distanceBetweenComponents	~170 km
gptkbp:eccentricity	0.156
gptkbp:epoch	2023-02-25
gptkbp:hasNumberOfComponents	2
gptkbp:hasSatelliteCraters	none
gptkbp:hasShapeModel	gptkb:contact_binary
gptkbp:inclination	2.2 degrees
gptkbp:locatedIn	gptkb:asteroid
gptkbp:main_belt	outer main-belt
gptkbp:meanAnomaly	41.2°
gptkbp:meanMotion	0.175°/day
gptkbp:minorPlanetNumber	gptkb:90_Antiope
gptkbp:namedAfter	Antiope (mythology)
gptkbp:observedBy	gptkb:Keck_Observatory gptkb:Very_Large_Telescope
gptkbp:orbitalGroup	gptkb:Themis_family
gptkbp:orbitType	5.61 years
gptkbp:perihelion	252.1°
gptkbp:rotationPeriod	16.5 hours
gptkbp:semiMajorAxis	3.156 AU
gptkbp:spectralType	C-type
gptkbp:surface	carbonaceous
gptkbp:bfsParent	gptkb:Themis_family
gptkbp:bfsLayer	7
https://www.w3.org/2000/01/rdf-schema#label	90 Antiope