Orcus–Vanth system

E1026163

The Orcus–Vanth system is a binary Kuiper Belt object consisting of the dwarf-planet candidate Orcus and its large moon Vanth, notable for their relatively similar sizes and tight mutual orbit.

All labels observed (1)

Label Occurrences
Orcus–Vanth system canonical 5

How this entity was disambiguated

Statements (56)

Predicate Object
instanceOf Kuiper belt moon ⓘ
binary Kuiper belt object system ⓘ
dwarf planet candidate ⓘ
natural satellite ⓘ
plutino ⓘ
trans-Neptunian binary system ⓘ
trans-Neptunian object ⓘ
discoveredBy Chad Trujillo ⓘ
David Rabinowitz ⓘ
linked to: David L. Rabinowitz

Michael E. Brown ⓘ
Michael E. Brown ⓘ
discoveredWith Hubble Space Telescope ⓘ
discoveryDate 2004-02-17 ⓘ
2005-11-13 ⓘ
hasAlbedo about 0.23 ⓘ
lower than Orcus ⓘ
hasApproximateDiameter about 440 km ⓘ
about 910 km ⓘ
hasApproximateSemiMajorAxis about 39 AU ⓘ
hasColor redder than Orcus ⓘ
hasColorContrastBetweenComponents yes ⓘ
hasComponent 90482 Orcus ⓘ
Vanth ⓘ
hasDiscoveryMethod telescopic observation ⓘ
hasEccentricity about 0.22 ⓘ
hasInclinationToEcliptic about 20 degrees ⓘ
hasNotableProperty components have relatively similar sizes ⓘ
tight mutual orbit ⓘ
hasObservationFacility Hubble Space Telescope ⓘ
ground-based large telescopes ⓘ
hasOrbitalPeriodAroundOrcus about 9.5 days ⓘ
hasOrbitalPeriodAroundSun about 247 Earth years ⓘ
hasOrbitalResonanceWithNeptune 2:3 mean-motion resonance ⓘ
hasPrimary 90482 Orcus ⓘ
hasProvisionalDesignation 2004 DW ⓘ
hasRotationPeriod about 10 hours ⓘ
hasSatellite Vanth ⓘ
hasSecondary Vanth ⓘ
hasSemiMajorAxis about 9000 km from Orcus ⓘ
hasSpectralEvidenceFor water ice on primary ⓘ
hasSurfaceComposition possible ammonia or ammonium compounds ⓘ
water ice ⓘ
hasTidalInteraction strong ⓘ
hasTotalMass on the order of 6×10^20 kg ⓘ
isClassifiedAs plutino system ⓘ
isDynamicallySimilarTo Pluto–Charon system ⓘ
isLikelyTidallyLockedTo 90482 Orcus ⓘ
locatedIn Kuiper belt ⓘ
linked to: Kuiper Belt

Kuiper belt ⓘ
linked to: Kuiper Belt
mayBeTidallyLocked likely ⓘ
namedAfter Orcus ⓘ
Vanth ⓘ
orbits 90482 Orcus ⓘ
Sun ⓘ
Sun ⓘ
partOf Orcus–Vanth system ⓘ

How these facts were elicited

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Vanth → partOf → Orcus–Vanth system ⓘ
2004 DW → hasBinarySystem → Orcus–Vanth system ⓘ
90482 Orcus → hasSystem → Orcus–Vanth system ⓘ
subject linked to: 90482 Orcus (2004 DW)
Vanth → partOf → Orcus–Vanth system ⓘ
subject linked to: Orcus–Vanth system
Orcus → hasSystem → Orcus–Vanth system ⓘ
subject linked to: dwarf planet Orcus