Nix

E110987

Nix is one of Pluto’s small outer moons, an irregularly shaped natural satellite discovered in 2005 that orbits the dwarf planet in a complex, resonant system with its other moons.

All labels observed (1)

Label Occurrences
Nix canonical 6

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf irregular satellite
moon of Pluto
natural satellite
outer moon
trans-Neptunian satellite
albedo high geometric albedo
belongsToPlanetarySystem Solar System
celestialBodyType natural satellite
dimensions approximately 49.8 × 33.2 × 31.1 km
discoveredBy Hubble Space Telescope
Pluto Companion Search Team
discoveredInYear 2005
discoveryDate May 2005
discoveryFacility Hubble Space Telescope
discoveryMethod imaging
distanceFromSunCategory trans-Neptunian region
exploredBy New Horizons spacecraft
linked to: New Horizons
flybyDate July 2015
flybyMission New Horizons
gravitationalBinding bound to Pluto-Charon barycenter
hasFeature large crater with bright ejecta
hasNo substantial atmosphere
imagedInDetailBy New Horizons LORRI camera
linked to: LORRI
meanRadius about 19 km
memberOf Pluto system
Pluto-Charon system
linked to: Pluto
namedAfter Greek goddess of the night
Nyx
namingAuthority International Astronomical Union
namingYear 2006
officialName Nix
orbitalPeriod about 24.9 hours
orbitalResonance 3:2 with Styx
4:1 with Charon (approximate)
orbits Pluto
partOfResonantSystemWith Charon
Hydra
Kerberos
Styx
primaryBody Pluto
provisionalDesignation S/2005 P 2
relativeLocation outer to Styx and inner to Kerberos and Hydra
rotationState chaotic rotation
semiMajorAxisFromPluto about 48600 km
shape irregular
surfaceColor neutral to slightly red
surfaceComposition water ice (dominant)
system Pluto-Charon small moons system

How these facts were elicited

Referenced by (6)

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