Despina

E136487

Despina is a small inner moon of Neptune known for its irregular shape and close, rapid orbit around the planet.

All labels observed (1)

Label Occurrences
Despina canonical 10

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf astronomical object ⓘ
moon of Neptune ⓘ
natural satellite ⓘ
actsAs shepherd moon candidate ⓘ
albedo low ⓘ
alternativeName Neptune V ⓘ
averageOrbitalDistanceFromNeptune_km about 52525 ⓘ
belongsTo Neptune's inner satellite group (Naiad, Thalassa, Despina, Galatea, Larissa, Proteus) ⓘ
Neptune's regular inner satellites ⓘ
Solar System ⓘ
catalogCode Neptune V (Despina) ⓘ
celestialBodyType inner moon ⓘ
composition water ice and rock (inferred) ⓘ
discoveredBy Stephen P. Synnott ⓘ
Voyager 2 ⓘ
discoveredUsing Voyager 2 imaging data ⓘ
discoveryDate 1989-07-02 ⓘ
discoveryMethod spacecraft imaging ⓘ
distanceFromSun_AU about 30 ⓘ
equatorialSurfaceGravity_m_per_s2 very low ⓘ
escapeVelocity_m_per_s about 70 ⓘ
hasNo substantial atmosphere ⓘ
IAUDesignation Neptune V ⓘ
liesInside Neptune's Le Verrier ring ⓘ
linked to: Adams ring
locatedIn Neptune ring system region ⓘ
meanDensity_g_per_cm3 about 1.2 ⓘ
meanDiameter_km approximately 150 ⓘ
meanRadius_km approximately 75 ⓘ
nameApprovedDate 1991 ⓘ
namedAfter Despina (nymph in Greek mythology) ⓘ
namedBy International Astronomical Union ⓘ
orbitalDirection prograde ⓘ
orbitalEccentricity very low ⓘ
orbitalInclination_degrees close to 0 ⓘ
orbitalPeriod_hours about 8.1 ⓘ
orbitalSemimajorAxis_km about 52525 ⓘ
orbitalStability affected by tidal interactions with Neptune ⓘ
orbits Neptune ⓘ
Neptune's equatorial plane ⓘ
planetarySystem Neptunian system ⓘ
linked to: Neptune system
relativePositionAmongNeptuneMoons one of the closest moons to Neptune ⓘ
rotationPeriod_hours about 8.1 ⓘ
shape irregular ⓘ
surfaceColor dark ⓘ
surfaceFeatures heavily cratered (inferred from low resolution images) ⓘ
synchronousRotation true ⓘ
tidallyLockedTo Neptune ⓘ

How these facts were elicited

Referenced by (10)

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

Neptune → moon → Despina ⓘ
Olivera Despina → familyName → Despina ⓘ
Galatea → neighboringMoons → Despina ⓘ
Thalassa → neighboringMoon → Despina ⓘ
Neptune system → hasMoon → Despina ⓘ
Neptune V → alsoKnownAs → Despina ⓘ
Neptune V (Despina) → IAUName → Despina ⓘ