Ida
E385070
Ida is an irregularly shaped asteroid in the main asteroid belt, notable for being visited by NASA’s Galileo spacecraft and for having its own small moon, Dactyl.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ida canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3740906 — 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: Ida Context triple: [Galileo spacecraft, flyby, Ida]
-
A.
Ida
Ida is the Allied reporting name for the Tachikawa Ki-36, a Japanese World War II army cooperation and light attack aircraft.
-
B.
Ida
Ida is the given name of Ida B. Wells, the pioneering African American journalist, civil rights activist, and anti-lynching crusader.
-
C.
Ida
Ida is one of the Ourea, the primordial Greek mountain deities personifying a specific sacred mountain.
-
D.
Ida Scott
Ida Scott is a character in James Baldwin's novel "Another Country," which explores complex themes of race, sexuality, and identity in mid-20th-century America.
-
E.
Ida Farange
Ida Farange is a self-absorbed, neglectful mother in Henry James’s novel "What Maisie Knew," whose bitter divorce and irresponsible behavior shape her daughter Maisie’s troubled upbringing.
- 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: Ida Target entity description: Ida is an irregularly shaped asteroid in the main asteroid belt, notable for being visited by NASA’s Galileo spacecraft and for having its own small moon, Dactyl.
-
A.
Ida
Ida is the Allied reporting name for the Tachikawa Ki-36, a Japanese World War II army cooperation and light attack aircraft.
-
B.
Ida
Ida is the given name of Ida B. Wells, the pioneering African American journalist, civil rights activist, and anti-lynching crusader.
-
C.
Ida
Ida is one of the Ourea, the primordial Greek mountain deities personifying a specific sacred mountain.
-
D.
Ida Scott
Ida Scott is a character in James Baldwin's novel "Another Country," which explores complex themes of race, sexuality, and identity in mid-20th-century America.
-
E.
Ida Farange
Ida Farange is a self-absorbed, neglectful mother in Henry James’s novel "What Maisie Knew," whose bitter divorce and irresponsible behavior shape her daughter Maisie’s troubled upbringing.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
S-type asteroid
ⓘ
asteroid ⓘ main-belt asteroid ⓘ minor planet ⓘ |
| absoluteMagnitude | about 9.94 ⓘ |
| albedo | relatively high ⓘ |
| belongsTo | Solar System ⓘ |
| classification | stony asteroid ⓘ |
| composition | silicate rock ⓘ |
| dataProvided |
constraints on asteroid density
ⓘ
constraints on asteroid internal structure ⓘ information on cratering history ⓘ |
| density | about 2.6 g/cm³ ⓘ |
| discoveredAt | Vienna Observatory ⓘ |
| discoveredBy | Johann Palisa ⓘ |
| discoveryDate | 1884-09-29 ⓘ |
| eccentricity | about 0.042 ⓘ |
| escapeVelocity | on the order of tens of m/s ⓘ |
| flybyDate | 1993-08-28 ⓘ |
| hasIAUDesignation | (243) Ida ⓘ |
| hasName | 243 Ida ⓘ |
| hasSatellite | Dactyl ⓘ |
| imagedBy | Galileo SSI camera ⓘ |
| inclination | about 1.1 degrees ⓘ |
| length | approximately 56 km ⓘ |
| locatedIn | main asteroid belt ⓘ |
| meanDiameter | approximately 31.4 km ⓘ |
| memberOf | Koronis family ⓘ |
| minorPlanetNumber | 243 ⓘ |
| namedAfter | Ida from Greek mythology ⓘ |
| notableFor | first asteroid discovered with a natural satellite ⓘ |
| observationArc | over 100 years ⓘ |
| orbitalPeriod | about 4.84 years ⓘ |
| orbits | Sun ⓘ |
| rotationPeriod | about 4.63 hours ⓘ |
| rotationSense | prograde ⓘ |
| satelliteDiscovery | Dactyl ⓘ |
| satelliteDiscoveryContext | Galileo images ⓘ |
| semiMajorAxis | about 2.86 AU ⓘ |
| shape | irregular ⓘ |
| spectralType | S ⓘ |
| surfaceFeatures |
grooves
ⓘ
numerous impact craters ⓘ ridges ⓘ |
| surfaceGravity | very low ⓘ |
| visitedBy | Galileo spacecraft ⓘ |
| width | approximately 24 km ⓘ |
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: Ida Description of subject: Ida is an irregularly shaped asteroid in the main asteroid belt, notable for being visited by NASA’s Galileo spacecraft and for having its own small moon, Dactyl.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.