Sponde

E642776

Sponde is a small, irregular, retrograde moon of Jupiter belonging to the planet’s outer group of distant natural satellites.

All labels observed (1)

Label Occurrences
Sponde canonical 1

How this entity was disambiguated

Statements (46)

Predicate Object
instanceOf moon of Jupiter ⓘ
natural satellite ⓘ
retrograde satellite ⓘ
absoluteMagnitude approximately 16.2 ⓘ
albedo approximately 0.04 ⓘ
belongsTo outer group of Jovian satellites ⓘ
belongsToDynamicalClass retrograde irregular Jovian satellite ⓘ
belongsToPlanetarySystem Jovian system ⓘ
Solar System ⓘ
cataloguedAs Jupiter XLVI ⓘ
density assumed similar to dark outer irregular satellites ⓘ
discoveredBy Brian G. Marsden ⓘ
David C. Jewitt ⓘ
Jan T. Kleyna ⓘ
Scott S. Sheppard ⓘ
discoveryMethod ground-based telescope observations ⓘ
discoverySite Mauna Kea Observatories ⓘ
discoveryYear 2001 ⓘ
distanceFromJupiterRange about 22 to 25 million km (Pasiphae group range) ⓘ
eccentricity approximately 0.443 ⓘ
groupOrbitalCharacteristics Pasiphae group: retrograde, distant, eccentric orbits ⓘ
hasNo known atmosphere ⓘ
known geological activity ⓘ
inclination approximately 154° to the ecliptic ⓘ
mass very low, estimated from size and assumed density ⓘ
meanDiameter approximately 2 km ⓘ
meanRadius approximately 1 km ⓘ
memberOf Pasiphae group ⓘ
nameApprovedYear 2003 ⓘ
namedAfter Sponde (a Horae in Greek mythology) ⓘ
Sponde, a goddess associated with libations and offerings ⓘ
namingAuthority International Astronomical Union ⓘ
orbitalDirection retrograde ⓘ
orbitalFamily Jupiter’s outer retrograde satellite swarm ⓘ
orbitalPeriod approximately −771.6 days ⓘ
orbits Jupiter ⓘ
origin likely captured object from outer Solar System or asteroid belt ⓘ
provisionalDesignation S/2001 J 5 ⓘ
rotationState likely tidally un-synchronized ⓘ
satelliteOf Jupiter ⓘ
semiMajorAxis approximately 24,253,000 km ⓘ
shape irregular ⓘ
spectralType assumed dark, non-icy body ⓘ
stability dynamically stable over long timescales as irregular satellite ⓘ
surfaceComposition likely carbon-rich, similar to C-type asteroids ⓘ
visibility requires large professional telescopes ⓘ

How these facts were elicited

Referenced by (1)

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