Skip to main content

ESA Data Ontology

Search from vocabulary

Content language

Concept information

Platforms > Space-based Platforms > Earth Observation Satellites > Indian National Satellite (INSAT) > INSAT-1A

Preferred term

INSAT-1A  

Definition

  • Spacecraft Brief Description The Insat-1 satellite program incorporated two three-axis stabilized spacecraft in geostationary orbit (Insat-1A at 74 degrees E and Insat-1B at 94 degrees E) with a host of ground stations throughout India. The Insat-1A satellite, built by the Ford Aerospace and Communications Corporation, was designed to provide combined telecommunications, direct TV broadcast, and meteorological service to India's civilian community over a 7-year-in-orbit lifespan. The telecommunications package provided two-way, long distance telephone circuits and direct radio and TV broadcasting to the remotest areas of India. The meteorology package was composed of a scanning very-high-resolution, two-channel radiometer (VHRR) to provide full-frame, full-earth coverage every 30 minutes. The visual channel (0.55-0.75 micrometer) had a 2.75-km resolution while the IR channel (10.5-12.5 micrometers) had an 11-km resolution. Using the Insat TV capability, early warnings of impending disasters (i.e., floods, storms, etc.) could directly reach the civilian population, even in remote areas. The Insat-1A also had a data channel for relaying meteorological, hydrological, and oceanographic data from unattended land-based or ocean-based data collection and transmission platforms. *Insat-1A was abandoned in September 1983 when its attitude control propellant was exhausted* Auxiliary Information Launch Date and Time : 1982-04-10 06:47:00 Epoch Date and Time : 1982-04-11 Orbit Type : Geocentric Apogee(km) : 35784. Perigee(km) : 225. Inclination : 28.1 Date of last update : 1998-10-07 Group: Platform_Details Entry_ID: INSAT-1A Group: Platform_Identification Platform_Category: Earth Observation Satellites Platform_Series_or_Entity: INSAT (Indian National Satellite) Short_Name: INSAT-1A Long_Name: Indian National Satellite-1A End_Group Group: Synonymous_Platform_Names Short_Name: INSAT-1A End_Group Group: Platform_Associated_Instruments Short_Name: VHRR End_Group Group: Orbit Orbit_Inclination: 28.1 Perigee: 225 km Apogee: 35784 km End_Group Creation_Date: 2007-10-04 Online_Resource: https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1982-031A Group: Platform_Logistics Launch_Date: 1982-04-10 Primary_Sponsor: India End_Group End_Group (en)

Broader concept

Entry terms

  • 13129 (en)
  • INSAT-1 (en)
  • INSAT1A (en)

Change note

  • 2016-06-09 10:49:01.0 [epneff] added altLabel insert AltLabel (id: null text: INSAT-1 language code: en);
  • 2021-02-08 17:29:49.0 [sritz] insert AltLabel (id: null category: null text: 13129 language code: en); insert AltLabel (id: null category: null text: INSAT1A language code: en); update Definition (Spacecraft Brief Description The Insat-1 satellite program incorporated two three-axis stabilized spacecraft in geostationary orbit (Insat-1A at 74 degrees E and Insat-1B at 94 degrees E) with a host of ground stations throughout India. The Insat-1A satellite, built by the Ford Aerospace and Communications Corporation, was designed to provide combined telecommunications, direct TV broadcast, and meteorological service to India's civilian community over a 7-year-in-orbit lifespan. The telecommunications package provided two-way, long distance telephone circuits and direct radio and TV broadcasting to the remotest areas of India. The meteorology package was composed of a scanning very-high-resolution, two-channel radiometer (VHRR) to provide full-frame, full-earth coverage every 30 minutes. The visual channel (0.55-0.75 micrometer) had a 2.75-km resolution while the IR channel (10.5-12.5 micrometers) had an 11-km resolution. Using the Insat TV capability, early warnings of impending disasters (i.e., floods, storms, etc.) could directly reach the civilian population, even in remote areas. The Insat-1A also had a data channel for relaying meteorological, hydrological, and oceanographic data from unattended land-based or ocean-based data collection and transmission platforms. *Insat-1A was abandoned in September 1983 when its attitude control propellant was exhausted* Auxiliary Information Launch Date and Time : 1982-04-10 06:47:00 Epoch Date and Time : 1982-04-11 Orbit Type : Geocentric Apogee(km) : 35784. Perigee(km) : 225. Inclination : 28.1 Date of last update : 1998-10-07 Group: Platform_Details Entry_ID: INSAT-1A Group: Platform_Identification Platform_Category: Earth Observation Satellites Platform_Series_or_Entity: INSAT (Indian National Satellite) Short_Name: INSAT-1A Long_Name: Indian National Satellite-1A End_Group Group: Synonymous_Platform_Names Short_Name: INSAT-1A End_Group Group: Platform_Associated_Instruments Short_Name: VHRR End_Group Group: Orbit Orbit_Inclination: 28.1 Perigee: 225 km Apogee: 35784 km End_Group Creation_Date: 2007-10-04 Online_Resource: https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1982-031A Group: Platform_Logistics Launch_Date: 1982-04-10 Primary_Sponsor: India End_Group End_Group); update Definition (https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1982-031A); delete Resource (null);

URI

https://gcmd.earthdata.nasa.gov/kms/concept/5142bd37-853c-4d34-a2bb-13de9d97b773

Download this concept:

RDF/XML TURTLE JSON-LD Last modified 12/6/20