S/1989 N4
E506477
S/1989 N4 is the provisional designation of Galatea, one of Neptune’s inner moons discovered in 1989.
All labels observed (1)
| Label | Occurrences |
|---|---|
| S/1989 N4 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5259667 — 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: S/1989 N4 Context triple: [Galatea, catalogDesignation, S/1989 N4]
-
A.
S/1899 S 1
S/1899 S 1 is the provisional discovery designation originally assigned to Phoebe, one of Saturn’s irregular outer moons.
-
B.
S/2000 J 9
S/2000 J 9 is the provisional designation for Taygete, a small retrograde irregular moon of Jupiter discovered in 2000.
-
C.
S/24111
S/24111 is the United Nations document symbol assigned to the landmark 1992 report "An Agenda for Peace," which outlined proposals for strengthening the UN’s role in preventive diplomacy, peacemaking, and peacekeeping after the Cold War.
-
D.
1998 KY26
1998 KY26 is a tiny, rapidly rotating near-Earth asteroid selected as the extended mission target for Japan’s Hayabusa2 spacecraft.
-
E.
Telesto
Telesto is a small Trojan moon of Saturn that shares Tethys’s orbit, residing at one of its stable Lagrange points.
- 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: S/1989 N4 Target entity description: S/1989 N4 is the provisional designation of Galatea, one of Neptune’s inner moons discovered in 1989.
-
A.
S/1899 S 1
S/1899 S 1 is the provisional discovery designation originally assigned to Phoebe, one of Saturn’s irregular outer moons.
-
B.
S/2000 J 9
S/2000 J 9 is the provisional designation for Taygete, a small retrograde irregular moon of Jupiter discovered in 2000.
-
C.
S/24111
S/24111 is the United Nations document symbol assigned to the landmark 1992 report "An Agenda for Peace," which outlined proposals for strengthening the UN’s role in preventive diplomacy, peacemaking, and peacekeeping after the Cold War.
-
D.
1998 KY26
1998 KY26 is a tiny, rapidly rotating near-Earth asteroid selected as the extended mission target for Japan’s Hayabusa2 spacecraft.
-
E.
Telesto
Telesto is a small Trojan moon of Saturn that shares Tethys’s orbit, residing at one of its stable Lagrange points.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
moon of Neptune
ⓘ
natural satellite ⓘ |
| albedo | about 0.08 ⓘ |
| alsoKnownAs | Galatea NERFINISHED ⓘ |
| belongsTo | inner Neptunian satellite group ⓘ |
| belongsToPlanetarySystem | Neptunian system NERFINISHED ⓘ |
| celestialBodyType | inner moon of Neptune ⓘ |
| controlsRingArcs | Adams ring arcs of Neptune NERFINISHED ⓘ |
| discoveredBy | Voyager 2 NERFINISHED ⓘ |
| discoverer | Voyager 2 imaging team NERFINISHED ⓘ |
| discoveryMethod | spacecraft imaging ⓘ |
| discoveryStatus | confirmed ⓘ |
| discoveryYear | 1989 ⓘ |
| eccentricity | low ⓘ |
| equatorialRadius_km | about 88 ⓘ |
| hasRingAssociation | Neptune’s Adams ring NERFINISHED ⓘ |
| IAUNameApprovalYear | 1991 ⓘ |
| inclination | low relative to Neptune’s equator ⓘ |
| meanOrbitalRadius_km | 61953 ⓘ |
| meanRadius_km | about 88 ⓘ |
| namedAfter | Galatea (sea nymph in Greek mythology) NERFINISHED ⓘ |
| observedBy | Voyager 2 NERFINISHED ⓘ |
| orbitalDirection | prograde ⓘ |
| orbitalPeriod_hours | 10.3 ⓘ |
| orbitalResonance | near 42:43 resonance with Neptune’s ring arcs ⓘ |
| orbits | Neptune NERFINISHED ⓘ |
| parentPlanet | Neptune NERFINISHED ⓘ |
| permanentName | Galatea NERFINISHED ⓘ |
| provisionalDesignation | S/1989 N4 ⓘ |
| rotationState | synchronous with Neptune ⓘ |
| semiMajorAxis_km | 61953 ⓘ |
| shape | irregular ⓘ |
| spectralType | neutral to slightly reddish ⓘ |
| surfaceColor | dark ⓘ |
| synchronousRotation | true ⓘ |
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: S/1989 N4 Description of subject: S/1989 N4 is the provisional designation of Galatea, one of Neptune’s inner moons discovered in 1989.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.