(243) Ida
E1181511
UNEXPLORED
(243) Ida is an S-type main-belt asteroid best known for being the first asteroid discovered to have its own moon, Dactyl, after being imaged by the Galileo spacecraft.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T15880890 — 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: (243) Ida Context triple: [Ida, hasIAUDesignation, (243) Ida]
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A.
asteroid 244 Sita
Asteroid 244 Sita is a main-belt asteroid discovered in the 19th century and named after a revered figure from the Hindu epic Ramayana.
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B.
asteroid 279 Thule
Asteroid 279 Thule is a large, dark outer main-belt asteroid and the namesake of the Thule family, notable for its unusually distant, low-eccentricity orbit.
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C.
asteroid 299 Thora
Asteroid 299 Thora is a main-belt asteroid discovered in the late 19th century and named after the Norse goddess Thor.
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D.
asteroid 222 Lucia
Asteroid 222 Lucia is a main-belt asteroid discovered in the 19th century and named "Lucia," likely in honor of a woman connected to its discoverer.
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E.
asteroid 286 Iclea
Asteroid 286 Iclea is a main-belt asteroid discovered in the 19th century and named after a character from the science fiction novel "Auf zwei Planeten" by Kurd Lasswitz.
- 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: (243) Ida Target entity description: (243) Ida is an S-type main-belt asteroid best known for being the first asteroid discovered to have its own moon, Dactyl, after being imaged by the Galileo spacecraft.
-
A.
asteroid 244 Sita
Asteroid 244 Sita is a main-belt asteroid discovered in the 19th century and named after a revered figure from the Hindu epic Ramayana.
-
B.
asteroid 279 Thule
Asteroid 279 Thule is a large, dark outer main-belt asteroid and the namesake of the Thule family, notable for its unusually distant, low-eccentricity orbit.
-
C.
asteroid 299 Thora
Asteroid 299 Thora is a main-belt asteroid discovered in the late 19th century and named after the Norse goddess Thor.
-
D.
asteroid 222 Lucia
Asteroid 222 Lucia is a main-belt asteroid discovered in the 19th century and named "Lucia," likely in honor of a woman connected to its discoverer.
-
E.
asteroid 286 Iclea
Asteroid 286 Iclea is a main-belt asteroid discovered in the 19th century and named after a character from the science fiction novel "Auf zwei Planeten" by Kurd Lasswitz.
- F. None of above. chosen
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: (243) Ida