Tritos cycle
E381217
The Tritos cycle is an eclipse cycle of about 10 years and 11 days that predicts the recurrence of similar solar and lunar eclipses, serving as a complement to the better-known Saros cycle.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tritos cycle canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3720688 — 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: Tritos cycle Context triple: [Saros cycle, relatedTo, Tritos cycle]
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A.
Tris
Tris is the nickname of Tris Speaker, a Hall of Fame Major League Baseball center fielder renowned for his exceptional defensive play and high career batting average in the early 20th century.
-
B.
Tetro
Tetro is a 2009 drama film directed by Francis Ford Coppola, in which Maribel Verdú plays a key supporting role in a story about fractured family relationships and artistic rivalry in Buenos Aires.
-
C.
Trylon and Perisphere
Trylon and Perisphere were the iconic, futurist-themed centerpiece structures of the 1939 New York World's Fair, symbolizing modernity and technological progress.
-
D.
Tetritsqaro
Tetritsqaro is a town in southeastern Georgia that serves as a local administrative and transportation center within the Kvemo Kartli region.
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E.
Sidetian
Sidetian is an alternative name for the Sidetic language, an ancient Anatolian tongue once spoken in the city of Side in what is now southern Turkey.
- 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: Tritos cycle Target entity description: The Tritos cycle is an eclipse cycle of about 10 years and 11 days that predicts the recurrence of similar solar and lunar eclipses, serving as a complement to the better-known Saros cycle.
-
A.
Tris
Tris is the nickname of Tris Speaker, a Hall of Fame Major League Baseball center fielder renowned for his exceptional defensive play and high career batting average in the early 20th century.
-
B.
Tetro
Tetro is a 2009 drama film directed by Francis Ford Coppola, in which Maribel Verdú plays a key supporting role in a story about fractured family relationships and artistic rivalry in Buenos Aires.
-
C.
Trylon and Perisphere
Trylon and Perisphere were the iconic, futurist-themed centerpiece structures of the 1939 New York World's Fair, symbolizing modernity and technological progress.
-
D.
Tetritsqaro
Tetritsqaro is a town in southeastern Georgia that serves as a local administrative and transportation center within the Kvemo Kartli region.
-
E.
Sidetian
Sidetian is an alternative name for the Sidetic language, an ancient Anatolian tongue once spoken in the city of Side in what is now southern Turkey.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical cycle
ⓘ
eclipse cycle ⓘ |
| basedOn | periodicity of Sun-Earth-Moon geometry ⓘ |
| category |
Astronomical cycles
ⓘ
Eclipses ⓘ Orbital mechanics ⓘ |
| complements | Saros cycle ⓘ |
| followsAfter | Saros cycle in eclipse prediction schemes ⓘ |
| hasApproximateLengthRelation |
1 Tritos ≈ 135 synodic months
ⓘ
1 Tritos ≈ 144 anomalistic months ⓘ 1 Tritos ≈ 146 draconic months ⓘ |
| hasApproximateRelationToSaros | 1 Tritos ≈ 1 Saros + 1 eclipse year ⓘ |
| hasDuration | approximately 10 years 11 days ⓘ |
| hasDurationInDays | 3986.63 days ⓘ |
| hasNameOrigin | Greek word "tritos" meaning "third" ⓘ |
| hasProperty |
eclipses separated by one Tritos occur at different seasons
ⓘ
eclipses separated by one Tritos occur at similar node geometry ⓘ |
| hasRelationTo | three Saros cycles minus one year ⓘ |
| hasRelationToNodes | connects eclipses occurring at opposite lunar nodes compared to Saros-related eclipses ⓘ |
| hasUseIn |
historical eclipse studies
ⓘ
modern eclipse catalogs ⓘ |
| isShorterThan | Saros cycle ⓘ |
| predicts |
recurrence of similar lunar eclipses
ⓘ
recurrence of similar solar eclipses ⓘ |
| relatesTo |
lunar eclipses
ⓘ
solar eclipses ⓘ |
| usedFor |
classifying eclipse families
ⓘ
forecasting future eclipses ⓘ |
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: Tritos cycle Description of subject: The Tritos cycle is an eclipse cycle of about 10 years and 11 days that predicts the recurrence of similar solar and lunar eclipses, serving as a complement to the better-known Saros cycle.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.