(19308) 1996 TO66
E468360
(19308) 1996 TO66 is a trans-Neptunian object in the Kuiper Belt, notable as a member of the Haumea family and for its icy, water-rich surface.
All labels observed (1)
| Label | Occurrences |
|---|---|
| (19308) 1996 TO66 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4756668 — 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: (19308) 1996 TO66 Context triple: [Haumea family, hasMember, (19308) 1996 TO66]
-
A.
1998 KY26
1998 KY26 is a tiny, rapidly rotating near-Earth asteroid selected as the extended mission target for Japan’s Hayabusa2 spacecraft.
-
B.
C/1996 B2
C/1996 B2 is the official designation of Comet Hyakutake, a bright long-period comet that passed unusually close to Earth in 1996 and became one of the most spectacular comets of the 20th century.
-
C.
90377 Sedna
90377 Sedna is a distant, large trans-Neptunian object in the outer reaches of the Solar System, notable for its highly elongated orbit and status as one of the most remote known bodies orbiting the Sun.
-
D.
(15760) 1992 QB1
(15760) 1992 QB1 is a trans-Neptunian object that marked the first recognized discovery of a Kuiper Belt object beyond Pluto and Charon.
-
E.
1590 Tsiolkovskaja
1590 Tsiolkovskaja is a main-belt asteroid named in honor of Russian rocket scientist and spaceflight pioneer Konstantin Tsiolkovsky.
- 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: (19308) 1996 TO66 Target entity description: (19308) 1996 TO66 is a trans-Neptunian object in the Kuiper Belt, notable as a member of the Haumea family and for its icy, water-rich surface.
-
A.
1998 KY26
1998 KY26 is a tiny, rapidly rotating near-Earth asteroid selected as the extended mission target for Japan’s Hayabusa2 spacecraft.
-
B.
C/1996 B2
C/1996 B2 is the official designation of Comet Hyakutake, a bright long-period comet that passed unusually close to Earth in 1996 and became one of the most spectacular comets of the 20th century.
-
C.
90377 Sedna
90377 Sedna is a distant, large trans-Neptunian object in the outer reaches of the Solar System, notable for its highly elongated orbit and status as one of the most remote known bodies orbiting the Sun.
-
D.
(15760) 1992 QB1
(15760) 1992 QB1 is a trans-Neptunian object that marked the first recognized discovery of a Kuiper Belt object beyond Pluto and Charon.
-
E.
1590 Tsiolkovskaja
1590 Tsiolkovskaja is a main-belt asteroid named in honor of Russian rocket scientist and spaceflight pioneer Konstantin Tsiolkovsky.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Haumea family member
ⓘ
Kuiper Belt object ⓘ cubewano ⓘ minor planet ⓘ trans-Neptunian object ⓘ |
| absoluteMagnitude | about 4.5 ⓘ |
| albedo | high geometric albedo ⓘ |
| aphelionDistance | 48.1 AU ⓘ |
| belongsTo | Solar System ⓘ |
| catalog | Minor Planet Center database ⓘ |
| colorIndex | neutral to slightly blue ⓘ |
| discoverer |
Chadwick A. Trujillo
ⓘ
linked to:
Chad Trujillo
David C. Jewitt ⓘ Jane X. Luu ⓘ |
| discoveryDate | 1996-10-12 ⓘ |
| discoveryProgram | Mauna Kea TNO survey ⓘ |
| discoverySite |
Mauna Kea Observatory
ⓘ
linked to:
Mauna Kea Observatories
|
| dynamicalStatus | non-resonant classical TNO ⓘ |
| eccentricity | 0.11 ⓘ |
| family |
Haumea collisional family
ⓘ
linked to:
Haumea family
|
| gravitationalBinding | heliocentric orbit ⓘ |
| hasAtmosphere | no detected atmosphere ⓘ |
| inclination | 27 degrees ⓘ |
| lightcurveAmplitude | small amplitude ⓘ |
| locatedIn | outer Solar System ⓘ |
| meanDiameter | about 300 km ⓘ |
| mpcDesignation | (19308) 1996 TO66 ⓘ |
| namedAfter | none (numbered but unnamed as of 2024) ⓘ |
| observedBy | ground-based telescopes ⓘ |
| orbitalClass | classical Kuiper Belt object ⓘ |
| orbitalPeriod | approximately 285 years ⓘ |
| orbitalRegion | Kuiper Belt ⓘ |
| orbits | Sun ⓘ |
| perihelionDistance | 38.5 AU ⓘ |
| provisionalDesignation | 1996 TO66 ⓘ |
| rotationPeriod | approximately 7.9 hours ⓘ |
| semiMajorAxis | 43.3 AU ⓘ |
| shape | likely elongated or irregular ⓘ |
| similarTo |
(120178) 2003 OP32
ⓘ
(55636) 2002 TX300 ⓘ Haumea ⓘ |
| spectralFeature | strong water-ice absorption bands ⓘ |
| spectralSlope | low (blue-neutral) ⓘ |
| spectralType | water-ice dominated spectrum ⓘ |
| status | numbered minor planet ⓘ |
| surfaceComposition | water ice rich ⓘ |
| surfaceState | icy ⓘ |
| waterIceFraction | high ⓘ |
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: (19308) 1996 TO66 Description of subject: (19308) 1996 TO66 is a trans-Neptunian object in the Kuiper Belt, notable as a member of the Haumea family and for its icy, water-rich surface.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.