Chang’e 1
E827549
Chang’e 1 was China’s first lunar orbiter, launched in 2007 to map the Moon’s surface and demonstrate the country’s deep-space exploration capabilities.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T9889988 — 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: Chang’e 1 Context triple: [Chang’e lunar exploration program, componentMission, Chang’e 1]
-
A.
Chandrayaan-1
Chandrayaan-1 was India’s first lunar probe, launched in 2008, which successfully orbited the Moon and helped confirm the presence of water molecules on the lunar surface.
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B.
Tianwen-1
Tianwen-1 is China’s first interplanetary mission, consisting of an orbiter, lander, and rover sent to study Mars from orbit and on the surface.
-
C.
Luna 20
Luna 20 was a Soviet robotic lunar sample-return mission that successfully collected and returned soil from the Moon’s surface in 1972.
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D.
Kaguya (SELENE) lunar orbiter
Kaguya (SELENE) was a Japanese lunar orbiter mission that conducted detailed scientific mapping and observation of the Moon’s surface, gravity, and environment.
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E.
Chang’e lunar exploration program
The Chang’e lunar exploration program is China’s ongoing series of robotic missions aimed at orbiting, landing on, and returning samples from the Moon as part of its broader ambitions in space exploration.
- 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: Chang’e 1 Target entity description: Chang’e 1 was China’s first lunar orbiter, launched in 2007 to map the Moon’s surface and demonstrate the country’s deep-space exploration capabilities.
-
A.
Chandrayaan-1
Chandrayaan-1 was India’s first lunar probe, launched in 2008, which successfully orbited the Moon and helped confirm the presence of water molecules on the lunar surface.
-
B.
Tianwen-1
Tianwen-1 is China’s first interplanetary mission, consisting of an orbiter, lander, and rover sent to study Mars from orbit and on the surface.
-
C.
Luna 20
Luna 20 was a Soviet robotic lunar sample-return mission that successfully collected and returned soil from the Moon’s surface in 1972.
-
D.
Kaguya (SELENE) lunar orbiter
Kaguya (SELENE) was a Japanese lunar orbiter mission that conducted detailed scientific mapping and observation of the Moon’s surface, gravity, and environment.
-
E.
Chang’e lunar exploration program
The Chang’e lunar exploration program is China’s ongoing series of robotic missions aimed at orbiting, landing on, and returning samples from the Moon as part of its broader ambitions in space exploration.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Chinese spacecraft
ⓘ
lunar orbiter ⓘ |
| achieved |
global lunar element distribution data
ⓘ
global lunar surface imaging ⓘ global lunar topographic map ⓘ |
| communicationBand | X-band ⓘ |
| countryOfOrigin | China ⓘ |
| demonstratedCapability |
deep-space tracking and control
ⓘ
long-distance spacecraft communication ⓘ lunar orbit insertion ⓘ |
| disposalType | controlled impact on Moon ⓘ |
| endOfMission | 2009-03-01 ⓘ |
| followedBy | Chang’e 2 ⓘ |
| impactTarget | lunar surface ⓘ |
| isFirstOf | China’s lunar exploration missions ⓘ |
| launchCountry | China ⓘ |
| launchDate | 2007-10-24 ⓘ |
| launchSite | Xichang Satellite Launch Center ⓘ |
| launchVehicle | Long March 3A ⓘ |
| massAtLaunch | approximately 2350 kg ⓘ |
| missionStatus | completed ⓘ |
| missionType |
lunar exploration
ⓘ
lunar orbiter mission ⓘ |
| namedAfter |
Chang’e
ⓘ
linked to:
Chang'e
Chinese Moon goddess ⓘ |
| operator | China National Space Administration ⓘ |
| orbitType | lunar orbit ⓘ |
| powerSource | solar panels ⓘ |
| precededBy | none (first in Chang’e series) ⓘ |
| primaryObjective |
analyze distribution of lunar elements
ⓘ
demonstrate China’s deep-space exploration capabilities ⓘ map the Moon’s surface ⓘ measure lunar soil depth ⓘ obtain 3D images of the lunar surface ⓘ study space environment near the Moon ⓘ |
| program |
Chang’e program
ⓘ
linked to:
Chang’e lunar exploration program
Chinese Lunar Exploration Program ⓘ
linked to:
Chang’e lunar exploration program
|
| scientificInstrument |
X-ray spectrometer
ⓘ
gamma-ray spectrometer ⓘ laser altimeter ⓘ microwave radiometer ⓘ solar wind ion detector ⓘ space environment monitor ⓘ stereo camera ⓘ |
| spaceAgency |
CNSA
ⓘ
linked to:
China National Space Administration
|
| spacecraftBus | DFH-3 bus ⓘ |
| target | Moon ⓘ |
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: Chang’e 1 Description of subject: Chang’e 1 was China’s first lunar orbiter, launched in 2007 to map the Moon’s surface and demonstrate the country’s deep-space exploration capabilities.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Chang’e 1