Sponde
E642776
Sponde is a small, irregular, retrograde moon of Jupiter belonging to the planet’s outer group of distant natural satellites.
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 NERFINISHED ⓘ |
| cataloguedAs | Jupiter XLVI NERFINISHED ⓘ |
| density | assumed similar to dark outer irregular satellites ⓘ |
| discoveredBy |
Brian G. Marsden
NERFINISHED
ⓘ
David C. Jewitt NERFINISHED ⓘ Jan T. Kleyna NERFINISHED ⓘ Scott S. Sheppard NERFINISHED ⓘ |
| discoveryMethod | ground-based telescope observations ⓘ |
| discoverySite | Mauna Kea Observatories NERFINISHED ⓘ |
| 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 NERFINISHED ⓘ |
| nameApprovedYear | 2003 ⓘ |
| namedAfter |
Sponde (a Horae in Greek mythology)
NERFINISHED
ⓘ
Sponde, a goddess associated with libations and offerings NERFINISHED ⓘ |
| namingAuthority | International Astronomical Union NERFINISHED ⓘ |
| orbitalDirection | retrograde ⓘ |
| orbitalFamily | Jupiter’s outer retrograde satellite swarm ⓘ |
| orbitalPeriod | approximately −771.6 days ⓘ |
| orbits | Jupiter NERFINISHED ⓘ |
| origin | likely captured object from outer Solar System or asteroid belt ⓘ |
| provisionalDesignation | S/2001 J 5 NERFINISHED ⓘ |
| rotationState | likely tidally un-synchronized ⓘ |
| satelliteOf | Jupiter NERFINISHED ⓘ |
| 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 ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.