GSAT-1
E238214
GSAT-1 is an Indian communications satellite that served as the inaugural payload for the Geosynchronous Satellite Launch Vehicle (GSLV) program.
All labels observed (1)
| Label | Occurrences |
|---|---|
| GSAT-1 canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T2139184 — 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: GSAT-1 Context triple: [Geosynchronous Satellite Launch Vehicle, firstFlightPayload, GSAT-1]
-
A.
ANIK C2 communications satellite
ANIK C2 is a Canadian commercial communications satellite used to provide telecommunications and broadcasting services.
-
B.
PALAPA B1 communications satellite
PALAPA B1 was an Indonesian communications satellite launched in the early 1980s to expand the country's domestic and regional telecommunications capabilities.
-
C.
SCISAT-1
SCISAT-1 is a Canadian scientific satellite dedicated primarily to studying Earth's upper atmosphere and monitoring ozone layer chemistry and related trace gases.
-
D.
Tracking and Data Relay Satellite-B
Tracking and Data Relay Satellite-B was a NASA communications satellite intended to relay data between spacecraft in low Earth orbit and ground stations as part of the Tracking and Data Relay Satellite System (TDRSS).
-
E.
MICROSCOPE satellite mission
The MICROSCOPE satellite mission was a French-led space experiment designed to test the validity of Einstein’s equivalence principle with unprecedented precision by comparing the free fall of different materials in orbit.
- 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: GSAT-1 Target entity description: GSAT-1 is an Indian communications satellite that served as the inaugural payload for the Geosynchronous Satellite Launch Vehicle (GSLV) program.
-
A.
ANIK C2 communications satellite
ANIK C2 is a Canadian commercial communications satellite used to provide telecommunications and broadcasting services.
-
B.
PALAPA B1 communications satellite
PALAPA B1 was an Indonesian communications satellite launched in the early 1980s to expand the country's domestic and regional telecommunications capabilities.
-
C.
SCISAT-1
SCISAT-1 is a Canadian scientific satellite dedicated primarily to studying Earth's upper atmosphere and monitoring ozone layer chemistry and related trace gases.
-
D.
Tracking and Data Relay Satellite-B
Tracking and Data Relay Satellite-B was a NASA communications satellite intended to relay data between spacecraft in low Earth orbit and ground stations as part of the Tracking and Data Relay Satellite System (TDRSS).
-
E.
MICROSCOPE satellite mission
The MICROSCOPE satellite mission was a French-led space experiment designed to test the validity of Einstein’s equivalence principle with unprecedented precision by comparing the free fall of different materials in orbit.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
Indian satellite
ⓘ
communications satellite ⓘ |
| actualOrbit | lower than planned geosynchronous transfer orbit ⓘ |
| belongsToSeries |
GSAT series
ⓘ
linked to:
GSAT
|
| countryOfOrigin | India ⓘ |
| failureCause | underperformance of GSLV upper stage ⓘ |
| intendedOrbit | geostationary orbit ⓘ |
| isPartOf | Indian national satellite communications system ⓘ |
| launchCountry | India ⓘ |
| launchDate | 2001-04-18 ⓘ |
| launchOutcome | partial failure ⓘ |
| launchPad | SLP at Satish Dhawan Space Centre ⓘ |
| launchSite |
Satish Dhawan Space Centre
ⓘ
Sriharikota ⓘ |
| launchVehicle |
GSLV Mk I
ⓘ
linked to:
Geosynchronous Satellite Launch Vehicle
Geosynchronous Satellite Launch Vehicle ⓘ |
| manufacturer | Indian Space Research Organisation ⓘ |
| massAtLaunch | about 1540 kilograms ⓘ |
| missionOutcome | partial failure ⓘ |
| missionPurpose |
telecommunications services
ⓘ
television broadcasting support ⓘ |
| missionType | communications ⓘ |
| operator |
ISRO
ⓘ
linked to:
Indian Space Research Organisation
Indian Space Research Organisation ⓘ |
| orbitType | geosynchronous transfer orbit ⓘ |
| payload |
C-band transponders
ⓘ
S-band transponders ⓘ |
| precededBy |
INSAT series satellites
ⓘ
linked to:
INSAT series
|
| program |
GSLV programme
ⓘ
linked to:
Geosynchronous Satellite Launch Vehicle
|
| spaceAgency | Indian Space Research Organisation ⓘ |
| spacecraftBus | I-2K ⓘ |
| wasFirstPayloadOf |
Geosynchronous Satellite Launch Vehicle programme
ⓘ
linked to:
Geosynchronous Satellite Launch Vehicle
|
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: GSAT-1 Description of subject: GSAT-1 is an Indian communications satellite that served as the inaugural payload for the Geosynchronous Satellite Launch Vehicle (GSLV) program.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.