Daphnis

E829231

Daphnis is a small moon of Saturn that orbits within the planet’s rings and gravitationally sculpts the edges of the Keeler Gap.

All labels observed (1)

Label Occurrences
Daphnis canonical 10

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf moon of Saturn
natural satellite
belongsToPlanetarySystem Saturnian system
belongsToRingRegion outer A ring
classification ring-embedded moon
diameter_km 7.6
discoveredBy Cassini imaging team
discoveredUsing Cassini–Huygens spacecraft
linked to: Cassini–Huygens
discoveryDate 2005-05-01
discoveryMethod spacecraft imaging
discoveryMission Cassini
linked to: Cassini–Huygens
distanceFromSaturn_km about 136500
escapeVelocity_m_per_s few
gapName Keeler Gap
gapWidth_km 35
gravitationalEffect confines edges of Keeler Gap
gravitationallySculpts edges of the Keeler Gap
gravitationalPerturbations produce scalloped ring edges
hasOrbitalResonanceEffectOn nearby ring particles
hasRingGap Keeler Gap
locatedIn Saturn's ring plane
mass very low
meanRadius_km 3.8
memberOf inner moons of Saturn
namedAfter Daphnis (shepherd in Greek mythology)
linked to: Daphnis
namedBy International Astronomical Union
namingYear 2006
observedBy Cassini Imaging Science Subsystem
orbitalEccentricity very low
orbitalInclination_deg 0.003
orbitalPeriod_hours 14.3
orbits Saturn
orbitsNearRingOuterEdge A ring
orbitsWithin Keeler Gap
Saturn's A ring
orbitsWithinRing A ring
primaryBody Saturn
provisionalDesignation S/2005 S 1
ringInteraction clears material from Keeler Gap
creates edge waves in ring material
induces vertical waves in ring particles
rotationState likely synchronous with its orbit
semiMajorAxis_km 136505
shape irregular
surfaceAlbedo high
surfaceColor bright
surfaceComposition water ice (inferred)

How these facts were elicited

Referenced by (10)

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