Prometheus
E555806
Prometheus is a small inner moon of Saturn known for gravitationally shaping and maintaining the structure of the planet’s F ring.
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
inner moon of Saturn
ⓘ
moon of Saturn ⓘ natural satellite ⓘ |
| albedo | 0.6 ⓘ |
| assumedComposition | water ice with porosity ⓘ |
| belongsToPlanetarySystem |
Saturnian system
NERFINISHED
ⓘ
Solar System NERFINISHED ⓘ |
| belongsToRingSystem | Saturn’s ring system NERFINISHED ⓘ |
| catalogueDesignation | Saturn XVI NERFINISHED ⓘ |
| causesFeaturesIn | channels in Saturn’s F ring ⓘ |
| dimensions_km | 148 × 100 × 68 ⓘ |
| discoveredBy |
G. E. Danielson
NERFINISHED
ⓘ
S. A. Collins NERFINISHED ⓘ |
| discoveredByMission | Voyager 1 NERFINISHED ⓘ |
| discoveryYear | 1980 ⓘ |
| escapeVelocity_m_per_s | 35 ⓘ |
| explorationBy |
Cassini–Huygens
NERFINISHED
ⓘ
Voyager 1 NERFINISHED ⓘ Voyager 2 NERFINISHED ⓘ |
| gravitationallyShapes | Saturn’s F ring NERFINISHED ⓘ |
| helpsMaintainStructureOf | Saturn’s F ring NERFINISHED ⓘ |
| imagedInDetailBy | Cassini–Huygens NERFINISHED ⓘ |
| locatedWithin | Roche Division NERFINISHED ⓘ |
| meanDensity_g_per_cm3 | 0.48 ⓘ |
| meanMotionResonanceWith | F ring NERFINISHED ⓘ |
| meanRadius_km | 43 ⓘ |
| namedAfter |
Prometheus (Titan from Greek mythology)
NERFINISHED
ⓘ
Prometheus (mythology) NERFINISHED ⓘ |
| orbitalEccentricity | 0.0022 ⓘ |
| orbitalInclination_degrees | 0.008 ⓘ |
| orbitalPeriod_hours | 14.7 ⓘ |
| orbits | Saturn NERFINISHED ⓘ |
| orbitsInteriorTo | Saturn’s F ring NERFINISHED ⓘ |
| provisionalDesignation | S/1980 S 27 ⓘ |
| relativePositionAmongMoons | inner shepherd of the F ring ⓘ |
| roleInRingSystem | F-ring shepherd moon ⓘ |
| rotationPeriod_hours | 14.7 ⓘ |
| rotationState | synchronous rotation ⓘ |
| semiMajorAxis_km | 139380 ⓘ |
| shape | irregular ⓘ |
| surfaceAppearance |
grooved
ⓘ
heavily cratered ⓘ |
| surfaceGravity_m_per_s2 | 0.0033 ⓘ |
| tidallyLockedTo | Saturn NERFINISHED ⓘ |
| visualMagnitude | 15.8 ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.