asteroid 21 Lutetia
E1478447
UNEXPLORED
Asteroid 21 Lutetia is a large, irregular main-belt asteroid notable for its dense, metal-rich composition and detailed close-up observations by the ESA Rosetta spacecraft in 2010.
All labels observed (1)
| Label | Occurrences |
|---|---|
| asteroid 21 Lutetia canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T21331697 — 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: asteroid 21 Lutetia Context triple: [Hermann Goldschmidt, discovered, asteroid 21 Lutetia]
-
A.
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.
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B.
asteroid 298 Baptistina
Asteroid 298 Baptistina is a main-belt asteroid notable for its association with the Baptistina family, once hypothesized to be linked to the impactor that caused the dinosaurs’ extinction.
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C.
asteroid 287 Nephthys
Asteroid 287 Nephthys is a main-belt asteroid named after the Egyptian goddess Nephthys.
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D.
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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E.
asteroid 1000 Piazzia
Asteroid 1000 Piazzia is a main-belt asteroid named in honor of Italian astronomer Giuseppe Piazzi, the discoverer of Ceres.
- 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: asteroid 21 Lutetia Target entity description: Asteroid 21 Lutetia is a large, irregular main-belt asteroid notable for its dense, metal-rich composition and detailed close-up observations by the ESA Rosetta spacecraft in 2010.
-
A.
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.
-
B.
asteroid 298 Baptistina
Asteroid 298 Baptistina is a main-belt asteroid notable for its association with the Baptistina family, once hypothesized to be linked to the impactor that caused the dinosaurs’ extinction.
-
C.
asteroid 287 Nephthys
Asteroid 287 Nephthys is a main-belt asteroid named after the Egyptian goddess Nephthys.
-
D.
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.
-
E.
asteroid 1000 Piazzia
Asteroid 1000 Piazzia is a main-belt asteroid named in honor of Italian astronomer Giuseppe Piazzi, the discoverer of Ceres.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.