4 Vesta
E294774
4 Vesta is one of the largest objects in the asteroid belt, a differentiated protoplanet whose composition and geology have made it a key target for studying early solar system formation.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Vesta | 4 |
| 4 Vesta canonical | 2 |
| asteroid Vesta | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2746697 — 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: 4 Vesta Context triple: [Dawn, primaryTarget, 4 Vesta]
-
A.
Vesta
Vesta is the Roman goddess of the hearth, home, and sacred fire, central to domestic and state religion in ancient Rome.
-
B.
Ceres
Ceres is the largest object in the asteroid belt between Mars and Jupiter and a dwarf planet composed primarily of rock and ice.
-
C.
Ceres
Ceres is the Roman goddess of agriculture, grain crops, fertility, and motherly relationships.
-
D.
Ceres
Ceres is a small city in Stanislaus County, California, known primarily as a residential and agricultural community in the Central Valley.
-
E.
Pallas
Pallas is a figure from Greek mythology, often identified as a Titan associated with war and sometimes linked to Athena’s epithet “Pallas.”
- 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: 4 Vesta Target entity description: 4 Vesta is one of the largest objects in the asteroid belt, a differentiated protoplanet whose composition and geology have made it a key target for studying early solar system formation.
-
A.
Vesta
Vesta is the Roman goddess of the hearth, home, and sacred fire, central to domestic and state religion in ancient Rome.
-
B.
Ceres
Ceres is the largest object in the asteroid belt between Mars and Jupiter and a dwarf planet composed primarily of rock and ice.
-
C.
Ceres
Ceres is the Roman goddess of agriculture, grain crops, fertility, and motherly relationships.
-
D.
Ceres
Ceres is a small city in Stanislaus County, California, known primarily as a residential and agricultural community in the Central Valley.
-
E.
Pallas
Pallas is a figure from Greek mythology, often identified as a Titan associated with war and sometimes linked to Athena’s epithet “Pallas.”
- F. None of above. chosen
Statements (58)
| Predicate | Object |
|---|---|
| instanceOf |
asteroid
ⓘ
differentiated body ⓘ main-belt asteroid ⓘ minor planet ⓘ protoplanet ⓘ |
| absoluteMagnitude | about 3.2 ⓘ |
| albedo | relatively high ⓘ |
| aphelionDistance | about 2.57 AU ⓘ |
| belongsTo | asteroid belt ⓘ |
| belongsToDynamicalFamily | Vesta family ⓘ |
| canBeSeenFromEarthWith | small binoculars ⓘ |
| canReachApparentMagnitude | about 5.1 ⓘ |
| coordinateSystem | IAU-defined Vesta coordinate system ⓘ |
| DawnArrivalDate | 2011-07-16 ⓘ |
| DawnDepartureDate | 2012-09-05 ⓘ |
| density | about 3.4 g/cm³ ⓘ |
| discoverer | Heinrich Wilhelm Olbers ⓘ |
| discoveryDate | 1807-03-29 ⓘ |
| eccentricity | about 0.089 ⓘ |
| equatorialDiameter | about 578 km ⓘ |
| flybyOrOrbiter | orbited by Dawn ⓘ |
| formationEpoch | early solar system ⓘ |
| geologicActivity | no current volcanism ⓘ |
| hasCore | metallic core ⓘ |
| hasCrust | basaltic crust ⓘ |
| hasDifferentiatedInterior | true ⓘ |
| hasImpactBasin |
Rheasilvia
ⓘ
Veneneia ⓘ |
| hasMantle | rocky mantle ⓘ |
| hasTectonicFeatures | troughs and grooves ⓘ |
| inclination | about 7.1 degrees ⓘ |
| isSourceOf |
HED meteorites
ⓘ
diogenite meteorites ⓘ eucrite meteorites ⓘ howardite meteorites ⓘ |
| mass | about 2.6×10^20 kg ⓘ |
| meanDiameter | about 525 km ⓘ |
| minorPlanetNumber | 4 ⓘ |
| mpcDesignation | 4 Vesta self-link ⓘ |
| namedAfter |
Roman goddess of the hearth
ⓘ
Vesta ⓘ |
| orbitalPeriod |
about 1325 Earth days
ⓘ
about 3.63 years ⓘ |
| orbits | Sun ⓘ |
| perihelionDistance | about 2.15 AU ⓘ |
| polarDiameter | about 458 km ⓘ |
| rankByMassInAsteroidBelt | second most massive asteroid ⓘ |
| rankBySizeInAsteroidBelt | one of the largest asteroids ⓘ |
| RheasilviaCentralPeakHeight | about 20–25 km ⓘ |
| RheasilviaDiameter | about 500 km ⓘ |
| rotationPeriod | about 5.34 hours ⓘ |
| scientificSignificance | key object for studying planetary differentiation ⓘ |
| semiMajorAxis | about 2.36 AU ⓘ |
| spectralType | V-type asteroid ⓘ |
| surfaceComposition |
basaltic rock
ⓘ
pyroxene-rich material ⓘ |
| visitedBy |
Dawn mission
ⓘ
surface form:
Dawn spacecraft
|
| visitedByAgency | NASA ⓘ |
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: 4 Vesta Description of subject: 4 Vesta is one of the largest objects in the asteroid belt, a differentiated protoplanet whose composition and geology have made it a key target for studying early solar system formation.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Dawn
subject surface form:
Dawn
this entity surface form:
asteroid Vesta
subject surface form:
Dawn
this entity surface form:
Vesta
subject surface form:
Pluto
this entity surface form:
Vesta
this entity surface form:
Vesta