Vanth

E313696

Vanth is the small, likely captured moon of the distant Kuiper Belt dwarf planet Orcus.

All labels observed (1)

Label Occurrences
Vanth canonical 5

How this entity was disambiguated

Statements (43)

Predicate Object
instanceOf moon
natural satellite
albedo lower than Orcus
belongsToDynamicalClass trans-Neptunian satellite
celestialCategory Kuiper Belt moon
diameter_km approximately 440
between 400 and 500
discoveredBy David L. Rabinowitz
Emily L. Schaller
Megan E. Schwamb
Michael E. Brown
T.-A. Suer
discoveredUsing Hubble Space Telescope
discoveryDate 2005-11-13
distanceFromSun_AU approximately 39 (via Orcus orbit)
gravitationallyBoundTo Orcus
hasAlternativeName 90482 Orcus
surface form: (90482) Orcus I Vanth

Orcus
surface form: Orcus I
hasApparentMagnitude fainter than Orcus
hasDiscoveryStatus confirmed
hasInclinationRelativeToOrcus moderate
hasNamingAuthority International Astronomical Union
hasObservationMethod direct imaging
hasOrbitalConfiguration close binary with Orcus
hasShape roughly spherical
hasSurfaceComposition likely mixture of ices and darker materials
isMoonOf dwarf planet Orcus
isTidallyLockedTo Orcus
likelyOrigin captured Kuiper Belt object
locatedIn Kuiper Belt
massRatioWithOrcus significant compared to many moon–primary systems
meanDistanceFromPrimary_km approximately 9000
memberOf Solar System
namedAfter Vanth
surface form: Vanth (Etruscan psychopomp deity)
observedInWavelength near-infrared
visible
orbitalEccentricity low
orbitalPeriod_days approximately 9.54
orbits Orcus
partOf Orcus–Vanth system
rotationPeriod synchronous with its orbital period
semiMajorAxis_km approximately 8980
surfaceColor redder than Orcus

How these facts were elicited

Referenced by (5)

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

Orcus hasSatellite Vanth
90482 Orcus hasSatellite Vanth
2004 DW hasSatellite Vanth
90482 Orcus (2004 DW) hasSatellite Vanth
subject surface form: 90482 Orcus
90482 Orcus (2004 DW) isBinarySystemWith Vanth
subject surface form: 90482 Orcus