Philae lander
E743729
Philae lander was a robotic probe of the European Space Agency’s Rosetta mission that achieved the first-ever soft landing on a comet’s surface.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Philae lander canonical | 4 |
| Philae | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T8577506 — 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: Philae lander Context triple: [Comet 67P/Churyumov–Gerasimenko, visitedBy, Philae lander]
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A.
Philae
Philae is an ancient Egyptian temple complex on an island in the Nile, renowned for its dedication to the goddess Isis and its relocation during the construction of the Aswan High Dam.
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B.
Schiaparelli EDM lander
The Schiaparelli EDM lander was a European Space Agency test lander designed to demonstrate entry, descent, and landing technologies for future Mars missions.
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C.
Rosetta
"Rosetta" is a classic jazz standard composed by pianist Earl Hines that has become a staple of the swing and traditional jazz repertoire.
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D.
Rosetta
Rosetta is a port city in northern Egypt near the Nile Delta, historically renowned as the discovery site of the Rosetta Stone, which was key to deciphering Egyptian hieroglyphs.
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E.
Rosetta
Rosetta is a central figure in W.H. Auden’s long poem "The Age of Anxiety," embodying themes of modern alienation and spiritual searching in a war-torn, industrialized world.
- 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: Philae lander Target entity description: Philae lander was a robotic probe of the European Space Agency’s Rosetta mission that achieved the first-ever soft landing on a comet’s surface.
-
A.
Philae
Philae is an ancient Egyptian temple complex on an island in the Nile, renowned for its dedication to the goddess Isis and its relocation during the construction of the Aswan High Dam.
-
B.
Schiaparelli EDM lander
The Schiaparelli EDM lander was a European Space Agency test lander designed to demonstrate entry, descent, and landing technologies for future Mars missions.
-
C.
Rosetta
"Rosetta" is a classic jazz standard composed by pianist Earl Hines that has become a staple of the swing and traditional jazz repertoire.
-
D.
Rosetta
Rosetta is a central figure in W.H. Auden’s long poem "The Age of Anxiety," embodying themes of modern alienation and spiritual searching in a war-torn, industrialized world.
-
E.
Rosetta
Rosetta is a feminine given name of Latin origin, often considered a diminutive of "Rosa" and associated with meanings related to "little rose."
- F. None of above. chosen
Statements (59)
| Predicate | Object |
|---|---|
| instanceOf |
comet lander
ⓘ
robotic lander ⓘ space probe ⓘ |
| actualFinalRestingSite | Abydos region on 67P ⓘ |
| agency | European Space Agency ⓘ |
| communicationRelay |
Rosetta orbiter
ⓘ
linked to:
Rosetta
|
| countryOfOrigin | European Space Agency member states ⓘ |
| designedLandingSite | Agilkia region on 67P ⓘ |
| discoveryOfFinalLocationDate | 2016-09-02 ⓘ |
| finalLocationIdentifiedBy | Rosetta OSIRIS camera ⓘ |
| firstRecontactWithEarth | 2015-06-13 ⓘ |
| firstSoftLandingOn |
67P/Churyumov–Gerasimenko
ⓘ
linked to:
Comet 67P/Churyumov–Gerasimenko
comet nucleus ⓘ |
| harpoonCount | 2 ⓘ |
| hibernationStart | 2014-11-15 ⓘ |
| instrument |
APXS
ⓘ
linked to:
APXS (Alpha Particle X-ray Spectrometer)
CIVA ⓘ CONSERT ⓘ COSAC ⓘ MUPUS ⓘ PTOLEMY ⓘ ROLIS ⓘ ROMAP ⓘ SD2 ⓘ SESAME ⓘ |
| landingDate | 2014-11-12 ⓘ |
| landingIssue |
bounced multiple times
ⓘ
harpoons failed to fire ⓘ ice screws did not secure to surface ⓘ |
| landingOutcome | partial success ⓘ |
| lastContactDate | 2015-07-09 ⓘ |
| launchCountry | France ⓘ |
| launchDate | 2004-03-02 ⓘ |
| launchSite | Guiana Space Centre ⓘ |
| launchVehicle |
Ariane 5G+ rocket
ⓘ
linked to:
Ariane 5 G
|
| legCount | 3 ⓘ |
| massAtLanding | about 100 kg ⓘ |
| missionEndDeclared | 2016-07-27 ⓘ |
| missionType | comet lander mission ⓘ |
| namedAfter |
Philae Island
ⓘ
linked to:
Agilkia Island
|
| notableAchievement | first-ever soft landing on a comet’s surface ⓘ |
| notableDiscovery | detection of organic molecules on 67P ⓘ |
| operator | European Space Agency ⓘ |
| orbits | Sun ⓘ |
| partOf |
Rosetta mission
ⓘ
Rosetta spacecraft ⓘ
linked to:
Rosetta
|
| powerSource |
primary battery
ⓘ
solar panels ⓘ |
| program | Rosetta program ⓘ |
| scientificObjective |
analyze surface and subsurface properties
ⓘ
measure magnetic and mechanical properties ⓘ search for organic molecules ⓘ study composition of comet nucleus ⓘ |
| separationFromRosettaDate | 2014-11-12 ⓘ |
| spacecraftBus | box-shaped lander with three legs ⓘ |
| stabilization | reaction wheel ⓘ |
| status | inactive ⓘ |
| surfaceContactDuration | about 57 hours of initial operations ⓘ |
| targetBody |
67P/Churyumov–Gerasimenko
ⓘ
linked to:
Comet 67P/Churyumov–Gerasimenko
|
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: Philae lander Description of subject: Philae lander was a robotic probe of the European Space Agency’s Rosetta mission that achieved the first-ever soft landing on a comet’s surface.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.