INSAT-1D
E267327
Earth observation satellite
artificial satellite
communications satellite
geostationary satellite
meteorological satellite
INSAT-1D was an Indian geostationary meteorological and communications satellite in the first-generation INSAT-1 series, used for weather observation and telecommunication services.
All labels observed (1)
| Label | Occurrences |
|---|---|
| INSAT-1D canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T2373092 — 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: INSAT-1D Context triple: [INSAT series, hasMember, INSAT-1D]
-
A.
INSAT-1C
INSAT-1C was an Indian geostationary communications satellite in the first-generation INSAT-1 series, used for telecommunications, broadcasting, and meteorological services.
-
B.
INSAT-1B
INSAT-1B was an early Indian multipurpose geostationary satellite used for telecommunications, broadcasting, and meteorological services as part of the INSAT program.
-
C.
INSAT-1A
INSAT-1A was the first satellite in India’s INSAT series, designed to provide multipurpose telecommunications, meteorological, and broadcasting services.
-
D.
INSAT series
The INSAT series is a fleet of Indian multipurpose geostationary satellites that provide telecommunications, broadcasting, meteorology, and search-and-rescue services across the Indian subcontinent.
-
E.
Resourcesat-1
Resourcesat-1 is an Indian Earth observation satellite designed to provide high-resolution, multi-spectral imagery for natural resource monitoring and management.
- 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: INSAT-1D Target entity description: INSAT-1D was an Indian geostationary meteorological and communications satellite in the first-generation INSAT-1 series, used for weather observation and telecommunication services.
-
A.
INSAT-1C
INSAT-1C was an Indian geostationary communications satellite in the first-generation INSAT-1 series, used for telecommunications, broadcasting, and meteorological services.
-
B.
INSAT-1B
INSAT-1B was an early Indian multipurpose geostationary satellite used for telecommunications, broadcasting, and meteorological services as part of the INSAT program.
-
C.
INSAT-1A
INSAT-1A was the first satellite in India’s INSAT series, designed to provide multipurpose telecommunications, meteorological, and broadcasting services.
-
D.
INSAT series
The INSAT series is a fleet of Indian multipurpose geostationary satellites that provide telecommunications, broadcasting, meteorology, and search-and-rescue services across the Indian subcontinent.
-
E.
Resourcesat-1
Resourcesat-1 is an Indian Earth observation satellite designed to provide high-resolution, multi-spectral imagery for natural resource monitoring and management.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Earth observation satellite
ⓘ
artificial satellite ⓘ communications satellite ⓘ geostationary satellite ⓘ meteorological satellite ⓘ |
| belongsTo | first-generation INSAT satellites ⓘ |
| countryOfOperator | India ⓘ |
| followedBy | INSAT-2A ⓘ |
| hasPayload |
Advanced Very High Resolution Radiometer
ⓘ
surface form:
Very High Resolution Radiometer
meteorological imaging instruments ⓘ |
| hasTransponderType |
C-band communications transponders
ⓘ
S-band transponders ⓘ |
| launchContractor | McDonnell Douglas ⓘ |
| launchMass | about 1190 kilograms ⓘ |
| launchSite |
Cape Canaveral
ⓘ
Cape Canaveral Space Force Station ⓘ
surface form:
Cape Canaveral Air Force Station
|
| launchSitePad | Launch Complex 17B ⓘ |
| launchVehicle | Delta 4925 ⓘ |
| launchVehicleFamily | Delta 4000 ⓘ |
| manufacturer | Ford Aerospace ⓘ |
| missionType |
communications
ⓘ
data relay ⓘ meteorology ⓘ search and rescue support ⓘ television broadcasting ⓘ |
| operator |
Department of Space (India)
ⓘ
INSAT series ⓘ
surface form:
INSAT
INSAT series ⓘ
surface form:
Indian National Satellite System
Indian Space Research Organisation ⓘ |
| orbitRegime | geostationary orbit ⓘ |
| orbitType | Earth orbit ⓘ |
| partOfSeries |
INSAT series
ⓘ
surface form:
INSAT-1 series
|
| powerSource | solar panels ⓘ |
| precededBy | INSAT-1C ⓘ |
| program |
INSAT series
ⓘ
surface form:
Indian National Satellite System
|
| purpose |
data collection from remote platforms
ⓘ
meteorological imaging ⓘ satellite television distribution ⓘ telecommunication services ⓘ weather observation ⓘ |
| spaceAgency | Indian Space Research Organisation ⓘ |
| spacecraftBus | INSAT-1 bus ⓘ |
| usedFor |
Indian national telecommunications network
ⓘ
Indian national television broadcasting ⓘ cyclone tracking ⓘ weather forecasting over the Indian region ⓘ |
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: INSAT-1D Description of subject: INSAT-1D was an Indian geostationary meteorological and communications satellite in the first-generation INSAT-1 series, used for weather observation and telecommunication services.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.