Keeler Gap
E192587
The Keeler Gap is a narrow, prominent division within Saturn’s A ring, notable for containing small ringlets and being shaped by the gravitational influence of the moon Daphnis.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Keeler Gap canonical | 1 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical structure
ⓘ
planetary ring gap ⓘ |
| belongsToPlanet | Saturn ⓘ |
| contains |
dusty ring material
ⓘ
narrow ringlets ⓘ |
| discoveredBy | James Edward Keeler ⓘ |
| discoveryMethod | telescopic observation ⓘ |
| hasAlternativeName | Saturn A-ring Keeler Gap ⓘ |
| hasDiscoveryDate | 1888 ⓘ |
| hasDiscoveryLocation | Lick Observatory ⓘ |
| hasDynamicalOrigin | orbital resonances with Daphnis ⓘ |
| hasEccentricity | near zero ⓘ |
| hasEponym | James Edward Keeler ⓘ |
| hasFeature |
non-circular edge distortions
ⓘ
wavy edges along inner and outer boundaries ⓘ |
| hasInclination | approximately 0 degrees to Saturn's equator ⓘ |
| hasInnerEdgeRadius | approximately 136,480 kilometers from Saturn's center ⓘ |
| hasMeanRadius | approximately 136,530 kilometers from Saturn's center ⓘ |
| hasNotableMoon | Daphnis ⓘ |
| hasObservationWavelength |
infrared
ⓘ
radio ⓘ visible light ⓘ |
| hasOrbitalPlane | equatorial plane of Saturn ⓘ |
| hasOrbitalResonance | with Daphnis ⓘ |
| hasOuterEdgeRadius | approximately 136,570 kilometers from Saturn's center ⓘ |
| hasParticleSizeRange | dust to meter-sized bodies ⓘ |
| hasShepherdMoon | Daphnis ⓘ |
| hasWidth | about 35 kilometers ⓘ |
| isComposedOf | water-ice particles in ringlets ⓘ |
| isDivisionOf | Saturn's A ring ⓘ |
| isInSolarSystem | Solar System ⓘ |
| isInteriorTo | outer edge of Saturn's A ring ⓘ |
| isLocatedBetween | main body of A ring and outer A ring material ⓘ |
| isNamedAfter | James Edward Keeler ⓘ |
| isNarrowerThan | Encke Gap ⓘ |
| isObservedFrom |
Earth-based telescopes
ⓘ
spacecraft flybys of Saturn ⓘ |
| isOutside | Encke Gap ⓘ |
| isPerturbedBy | moon Daphnis ⓘ |
| isShapedBy | gravitational influence of Daphnis ⓘ |
| isTypeOf | resonant ring gap ⓘ |
| locatedIn | ring system of Saturn ⓘ |
| orbits | Saturn ⓘ |
| partOf | A ring of Saturn ⓘ |
| shows |
edge waves caused by Daphnis
ⓘ
vertical structures in ring material ⓘ |
| wasImagedBy |
Cassini–Huygens
ⓘ
surface form:
Cassini spacecraft
|
| wasStudiedBy |
Cassini–Huygens
ⓘ
surface form:
Cassini mission
|
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.