Kerberos
E110988
Kerberos is a small, irregularly shaped moon of Pluto discovered in 2011 as part of the Pluto system’s complex family of satellites.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Kerberos canonical | 16 |
How this entity was disambiguated
This entity first appeared as the object of triple T942787 — 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: Kerberos Context triple: [Pluto, hasNaturalSatellite, Kerberos]
-
A.
Mopria
Mopria is a universal mobile printing standard that enables seamless, driverless printing from devices like smartphones, tablets, and Chromebooks to compatible printers.
-
B.
Netscape Directory Server
Netscape Directory Server is an LDAP-based directory service software that provides centralized, scalable management of user and resource information for enterprise networks.
-
C.
KMS
KMS is the Dutch abbreviation for the Royal Military Academy in Belgium, the institution responsible for training officers for the Belgian Armed Forces.
-
D.
Active Directory
Active Directory is Microsoft's centralized directory and identity management service used to authenticate and authorize users, computers, and resources in Windows-based networks.
-
E.
Diffie–Hellman key exchange
Diffie–Hellman key exchange is a foundational cryptographic protocol that enables two parties to securely establish a shared secret over an insecure communication channel.
- 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: Kerberos Target entity description: Kerberos is a small, irregularly shaped moon of Pluto discovered in 2011 as part of the Pluto system’s complex family of satellites.
-
A.
Mopria
Mopria is a universal mobile printing standard that enables seamless, driverless printing from devices like smartphones, tablets, and Chromebooks to compatible printers.
-
B.
Netscape Directory Server
Netscape Directory Server is an LDAP-based directory service software that provides centralized, scalable management of user and resource information for enterprise networks.
-
C.
KMS
KMS is the Dutch abbreviation for the Royal Military Academy in Belgium, the institution responsible for training officers for the Belgian Armed Forces.
-
D.
Active Directory
Active Directory is Microsoft's centralized directory and identity management service used to authenticate and authorize users, computers, and resources in Windows-based networks.
-
E.
Diffie–Hellman key exchange
Diffie–Hellman key exchange is a foundational cryptographic protocol that enables two parties to securely establish a shared secret over an insecure communication channel.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Plutonian satellite
ⓘ
moon of Pluto ⓘ natural satellite ⓘ |
| albedo | high ⓘ |
| alternativeName | S/2011 (134340) 1 ⓘ |
| approximateDimensions | about 19 km by 10 km ⓘ |
| belongsTo | Kuiper belt dwarf planet system ⓘ |
| belongsToCategory |
small irregular moons
ⓘ
trans‑Neptunian satellites ⓘ |
| catalogDesignation | Pluto IV ⓘ |
| density | likely low density ⓘ |
| discoveredBy |
Hubble Space Telescope
ⓘ
Pluto Companion Search Team ⓘ |
| discoveredIn | 2011 ⓘ |
| discoveryAnnouncementBy | NASA ⓘ |
| discoveryAnnouncementDate | July 2011 ⓘ |
| discoveryInstrument | Wide Field Camera 3 ⓘ |
| discoveryMethod | optical imaging ⓘ |
| discoveryTelescope | Hubble Space Telescope ⓘ |
| flybyDate | July 2015 ⓘ |
| gravitationallyBoundTo |
Pluto–Charon system
ⓘ
linked to:
Pluto’s satellite system
|
| hasOrbitalEccentricity | low ⓘ |
| hasOrbitalInclination | small relative to Pluto’s equator ⓘ |
| locatedIn |
Kuiper belt
ⓘ
linked to:
Kuiper Belt
outer Solar System ⓘ |
| mass | very low mass (exact value uncertain) ⓘ |
| meanRadius | approximately 6–7 km ⓘ |
| memberOf |
Pluto system
ⓘ
linked to:
Pluto’s satellite system
|
| namedAfter |
Cerberus
ⓘ
Kerberos (mythological three‑headed dog) ⓘ |
| namedFor | mythological guardian of the underworld ⓘ |
| observedBy |
New Horizons spacecraft
ⓘ
linked to:
New Horizons
|
| orbitalPeriod | about 32.2 Earth days ⓘ |
| orbitalResonanceWith |
Hydra
ⓘ
Nix ⓘ Styx ⓘ |
| orbits | Pluto ⓘ |
| orbitsBarycenterOf |
Pluto–Charon system
ⓘ
linked to:
Pluto’s satellite system
|
| partOf | Pluto’s satellite system ⓘ |
| primaryBody | Pluto ⓘ |
| rotationAxis | highly variable ⓘ |
| rotationState | chaotic rotation ⓘ |
| satelliteOf | Pluto ⓘ |
| semiMajorAxis | about 58,000 km from Pluto’s barycenter ⓘ |
| shape | irregular ⓘ |
| surfaceColor | neutral to slightly gray ⓘ |
| surfaceComposition | water ice (inferred) ⓘ |
| systemContains | no known sub‑satellites ⓘ |
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: Kerberos Description of subject: Kerberos is a small, irregularly shaped moon of Pluto discovered in 2011 as part of the Pluto system’s complex family of satellites.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.