Styx

E112530

Styx is a small outer moon of the dwarf planet Pluto, located between the orbits of Charon and Nix in the Pluto system.

All labels observed (1)

Label Occurrences
Styx canonical 4

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf moon of Pluto
natural satellite
outer moon
trans-Neptunian satellite
albedo high
belongsTo Pluto’s satellite system
surface form: Pluto’s small moons
catalogIdentifier Pluto V
celestialBodyType irregularly shaped moon
dimensions_km approximately 16 × 9 × 8
discoveredBy Mark R. Showalter
Pluto Companion Search Team
discoveredUsing Hubble Space Telescope
discoveryAnnouncementAuthority International Astronomical Union
discoveryDate 2012-06-26
equilibriumState non-hydrostatic
exploredBy New Horizons
surface form: New Horizons spacecraft
flybyDate 2015-07-14
gravitationallyBoundTo Pluto’s satellite system
surface form: Pluto–Charon system
imagedBy LORRI
surface form: New Horizons LORRI camera
inMeanMotionResonanceWith Charon
innerNeighbor Charon
inOrbitalResonanceChainWith Hydra
Kerberos
Nix
locatedIn Kuiper Belt
surface form: Kuiper belt

outer Solar System
mass_kg on the order of 7.5e15
meanMotionResonanceRatioWithCharon 3:1
meanRadius_km approximately 5.2
memberOf Pluto’s satellite system
surface form: Pluto system
namedAfter River Styx
surface form: Styx (mythological river)

river of the underworld in Greek mythology
officialName Styx
orbitalDirection prograde
orbitalEccentricity low
orbitalInclination_degrees approximately 0.8 to Pluto’s equator
orbitalPeriod_days approximately 20.16
orbits Pluto
outerNeighbor Nix
parentBody Pluto
surface form: Pluto–Charon barycenter
positionInSystem between Charon and Nix
provisionalDesignation S/2012 (134340) 1
rotationState chaotic
semiMajorAxis_km approximately 42656
shape elongated
surfaceColor neutral to slightly bluish
surfaceGeologyKnown limited
tidallyLockedTo none

How these facts were elicited

Referenced by (4)

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