Long March 4A
E709088
Long March 4A is a Chinese three-stage orbital launch vehicle used primarily to place satellites into sun-synchronous and low Earth orbits.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Long March 4A canonical | 4 |
| Chang Zheng 4A | 2 |
| CZ-4A | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7871172 — 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: Long March 4A Context triple: [Taiyuan Satellite Launch Center, hasLaunchPadFor, Long March 4A]
-
A.
Long March 2D
Long March 2D is a Chinese two-stage orbital launch vehicle primarily used to place satellites into low Earth and sun-synchronous orbits.
-
B.
Long March 2C
Long March 2C is a Chinese two-stage orbital launch vehicle used primarily to place satellites into low Earth orbit.
-
C.
Long March 5
Long March 5 is a heavy-lift Chinese orbital launch vehicle developed by the China National Space Administration for deploying large payloads to Earth orbit and deep-space missions.
-
D.
Mobile Launcher-1
Mobile Launcher-1 was a NASA launch platform and service structure used during the Apollo and early Skylab programs to support Saturn V and Saturn IB rocket launches from Kennedy Space Center.
-
E.
Long March 2F
Long March 2F is a Chinese human-rated orbital launch vehicle primarily used to send crewed Shenzhou spacecraft into space as part of China’s human spaceflight program.
- 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: Long March 4A Target entity description: Long March 4A is a Chinese three-stage orbital launch vehicle used primarily to place satellites into sun-synchronous and low Earth orbits.
-
A.
Long March 2D
Long March 2D is a Chinese two-stage orbital launch vehicle primarily used to place satellites into low Earth and sun-synchronous orbits.
-
B.
Long March 2C
Long March 2C is a Chinese two-stage orbital launch vehicle used primarily to place satellites into low Earth orbit.
-
C.
Long March 5
Long March 5 is a heavy-lift Chinese orbital launch vehicle developed by the China National Space Administration for deploying large payloads to Earth orbit and deep-space missions.
-
D.
Mobile Launcher-1
Mobile Launcher-1 was a NASA launch platform and service structure used during the Apollo and early Skylab programs to support Saturn V and Saturn IB rocket launches from Kennedy Space Center.
-
E.
Long March 2F
Long March 2F is a Chinese human-rated orbital launch vehicle primarily used to send crewed Shenzhou spacecraft into space as part of China’s human spaceflight program.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
expendable launch system
ⓘ
orbital launch vehicle ⓘ |
| alsoKnownAs |
CZ-4A
ⓘ
linked to:
Long March 4A
Chang Zheng 4A ⓘ
linked to:
Long March 4A
|
| countryOfOrigin | China ⓘ |
| developedFrom | Long March 4 series design ⓘ |
| failureLaunches | 0 ⓘ |
| firstFlightDate | 1988-09-06 ⓘ |
| fuelTypeFirstStage | N2O4/UDMH ⓘ |
| fuelTypeSecondStage | N2O4/UDMH ⓘ |
| fuelTypeThirdStage | N2O4/UDMH ⓘ |
| lastFlightDate | 1990-09-03 ⓘ |
| launchConfiguration | three-stage liquid-fueled rocket ⓘ |
| launchesPayloadType |
Earth observation satellites
ⓘ
meteorological satellites ⓘ |
| launchSite | Taiyuan Satellite Launch Center ⓘ |
| launchVehicleFamily |
Chang Zheng 4A
ⓘ
linked to:
Long March 4A
|
| manufacturer | Shanghai Academy of Spaceflight Technology ⓘ |
| numberOfLaunches | 2 ⓘ |
| numberOfStages | 3 ⓘ |
| operator |
China National Space Administration
ⓘ
People's Republic of China ⓘ
linked to:
China
|
| partOfFamily |
Long March rocket family
ⓘ
linked to:
Long March launch vehicles
|
| primaryUse |
launching satellites to low Earth orbit
ⓘ
launching satellites to sun-synchronous orbit ⓘ |
| status | retired ⓘ |
| successfulLaunches | 2 ⓘ |
| successor | Long March 4B ⓘ |
| usedBy | Chinese space program ⓘ |
| usedForOrbitType |
low Earth orbit
ⓘ
sun-synchronous orbit ⓘ |
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: Long March 4A Description of subject: Long March 4A is a Chinese three-stage orbital launch vehicle used primarily to place satellites into sun-synchronous and low Earth orbits.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Long March 4A
linked to: Long March 4A
linked to: Long March 4A