Tethys

E29512

astronomical object icy moon moon of Saturn natural satellite

Tethys is one of Saturn’s mid-sized icy moons, known for its bright, heavily cratered surface and massive Odysseus impact basin.

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All labels observed (2)

Label	Occurrences
Tethys canonical	18
Tethys L5 Lagrange point	1

Predicate	Object
instanceOf	astronomical object ⓘ icy moon ⓘ moon of Saturn ⓘ natural satellite ⓘ
albedo	high ⓘ
axialTilt_deg	0 ⓘ
belongsTo	Solar System ⓘ
belongsToPlanetaryRingRegion	within E-ring region of Saturn ⓘ
catalogDesignation	Saturn ⓘ surface form: Saturn III
diameter_km	1062 ⓘ
discoveredBy	Giovanni Domenico Cassini ⓘ
discoveredWith	telescope ⓘ
discoveryDate	1684 ⓘ
escapeVelocity_km_per_s	0.394 ⓘ
geometricAlbedo	0.8 ⓘ
hasCoOrbitalMoon	Calypso ⓘ Telesto ⓘ
hasFeature	Ithaca Chasma ⓘ Odysseus impact basin ⓘ
IthacaChasmaDepth_km	up to 5 ⓘ
IthacaChasmaLength_km	~2000 ⓘ
IthacaChasmaWidth_km	up to 100 ⓘ
mass_kg	6.17e20 ⓘ
meanDensity_g_per_cm3	0.98 ⓘ
meanRadius_km	531 ⓘ
meanSurfaceGravity_m_per_s2	0.146 ⓘ
memberOf	Saturn ⓘ surface form: Saturnian system
namedAfter	Tethys ⓘ surface form: Tethys (mythology) Tethys ⓘ surface form: Titaness Tethys
observedBy	Cassini–Huygens ⓘ surface form: Cassini spacecraft Voyager 1 ⓘ Voyager 2 ⓘ
OdysseusDiameter_km	~450 ⓘ
orbitalEccentricity	0.0001 ⓘ
orbitalInclination_deg	1.09 ⓘ
orbitalPeriod_days	1.887802 ⓘ
orbits	Saturn ⓘ
primaryConstituent	water ice ⓘ
rotationPeriod_days	1.887802 ⓘ
rotationState	synchronous rotation ⓘ
secondaryConstituent	rock ⓘ
semiMajorAxis_km	294660 ⓘ
shape	roughly spherical ⓘ
surfaceColor	very bright ⓘ
surfaceComposition	water ice ⓘ
surfaceTemperature_K	~86 ⓘ
surfaceType	heavily cratered ⓘ
trojanMoonOf	Calypso ⓘ Telesto ⓘ

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

Iapetus → sibling → Tethys ⓘ

Clymene → parent → Tethys ⓘ

Titans → includes → Tethys ⓘ

Saturn → hasMajorMoon → Tethys ⓘ

Uranus → parentOf → Tethys ⓘ

Cassini–Huygens → studiedMoon → Tethys ⓘ

Phoebe → siblingOf → Tethys ⓘ

Giovanni Domenico Cassini → discovered → Tethys ⓘ

Odysseus impact basin → locatedOn → Tethys ⓘ

Ithaca Chasma → locatedOn → Tethys ⓘ

Ithaca Chasma → celestialBody → Tethys ⓘ

Ithaca Chasma → nearlyEncircles → Tethys ⓘ

Ithaca Chasma → surfaceFeatureOf → Tethys ⓘ

Telesto → sharesOrbitWith → Tethys ⓘ

Telesto → orbitalResonanceWith → Tethys ⓘ

Telesto → coOrbitalWith → Tethys ⓘ

Calypso → sharesOrbitWith → Tethys ⓘ

Calypso → locatedAt → Tethys ⓘ

this entity surface form: Tethys L5 Lagrange point

Calypso → trails → Tethys ⓘ