Odysseus impact basin
E170947
The Odysseus impact basin is a large, prominent impact crater on Saturn’s icy moon Tethys, notable for its immense size and relatively shallow, relaxed topography.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Odysseus impact basin canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1488045 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Odysseus impact basin Context triple: [Tethys, hasFeature, Odysseus impact basin]
-
A.
Ernst Mach crater
Ernst Mach crater is a large impact crater on the Moon’s far side named in honor of the Austrian physicist and philosopher Ernst Mach.
-
B.
Baade lunar crater
Baade lunar crater is a large impact feature on the Moon’s far side named in honor of German astronomer Walter Baade.
-
C.
Copernicus Crater on the Moon
Copernicus Crater on the Moon is a prominent, relatively young lunar impact crater in the Moon’s eastern Oceanus Procellarum region, named in honor of the Renaissance astronomer Nicolaus Copernicus.
-
D.
Schwarzschild crater
Schwarzschild crater is a large impact crater on the far side of the Moon, notable for its heavily eroded rim and complex interior features.
-
E.
Occator Crater
Occator Crater is a prominent impact crater on the dwarf planet Ceres, best known for its bright salt deposits that suggest past subsurface brine activity.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Odysseus impact basin Target entity description: The Odysseus impact basin is a large, prominent impact crater on Saturn’s icy moon Tethys, notable for its immense size and relatively shallow, relaxed topography.
-
A.
Ernst Mach crater
Ernst Mach crater is a large impact crater on the Moon’s far side named in honor of the Austrian physicist and philosopher Ernst Mach.
-
B.
Baade lunar crater
Baade lunar crater is a large impact feature on the Moon’s far side named in honor of German astronomer Walter Baade.
-
C.
Copernicus Crater on the Moon
Copernicus Crater on the Moon is a prominent, relatively young lunar impact crater in the Moon’s eastern Oceanus Procellarum region, named in honor of the Renaissance astronomer Nicolaus Copernicus.
-
D.
Schwarzschild crater
Schwarzschild crater is a large impact crater on the far side of the Moon, notable for its heavily eroded rim and complex interior features.
-
E.
Occator Crater
Occator Crater is a prominent impact crater on the dwarf planet Ceres, best known for its bright salt deposits that suggest past subsurface brine activity.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
impact basin
ⓘ
impact crater ⓘ planetary surface feature ⓘ |
| age | ancient geological feature ⓘ |
| albedoContrast | moderate ⓘ |
| belongsToCategory |
craters on Tethys
ⓘ
impact craters on natural satellites of Saturn ⓘ |
| cataloguedAs | Odysseus ⓘ |
| centralPeak | poorly developed ⓘ |
| coordinateReference | Tethys coordinate system ⓘ |
| diameter |
approximately 280 miles
ⓘ
approximately 450 kilometers ⓘ |
| discoveredBy |
Voyager 2
ⓘ
surface form:
Voyager 2 spacecraft
|
| featureOf | Tethys leading hemisphere ⓘ |
| formationProcess | impact event ⓘ |
| geologicalSignificance | evidence for thermal and viscous evolution of Tethys ice shell ⓘ |
| hostBodyType | satellite of Saturn ⓘ |
| imagedBy |
Cassini–Huygens
ⓘ
surface form:
Cassini spacecraft
Voyager 2 ⓘ |
| locatedIn |
Saturnian system
ⓘ
surface form:
Saturn system
|
| locatedOn | Tethys ⓘ |
| namedAfter | Odysseus ⓘ |
| namedAfterFrom | Greek mythology ⓘ |
| observedIn |
infrared wavelengths
ⓘ
visible wavelengths ⓘ |
| orbitsWithPrimary | Saturn ⓘ |
| relativeSizeInSaturnSystem | one of the larger impact basins on Saturnian moons ⓘ |
| relativeSizeOnTethys | one of the largest impact craters on Tethys ⓘ |
| rimMorphology | low-relief rim ⓘ |
| scaleComparison | comparable in size to large basins on other icy moons ⓘ |
| shape | circular ⓘ |
| surfaceContext | heavily cratered terrain of Tethys ⓘ |
| surfaceRelaxation | viscous relaxation of ice ⓘ |
| surfaceType | icy ⓘ |
| topography |
relatively shallow
ⓘ
relaxed ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Odysseus impact basin Description of subject: The Odysseus impact basin is a large, prominent impact crater on Saturn’s icy moon Tethys, notable for its immense size and relatively shallow, relaxed topography.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.