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Gsat8 img.gif
Mission typeCommunication
COSPAR ID2011-022A
SATCAT no.37605Edit this on Wikidata
Mission durationPlanned: 12 years
Elapsed: 10 years, 3 months, 3 days
Spacecraft properties
Launch mass3,093 kilograms (6,819 lb)[1]
Dry mass1,426 kilograms (3,144 lb)[1]
Power6,242 watts[1]
Start of mission
Launch date20 May 2011, 20:38 (2011-05-20UTC20:38Z) UTC
RocketAriane 5ECA VA202
Launch siteKourou ELA-3
Orbital parameters
Reference systemGeocentric
Longitude55° East
Band24 Ku band and 2 in L1 & L5 bands (GAGAN)
GSAT-12 →

GSAT-8 or INSAT-4G is communication satellite. It was constructed by the Indian Space Research Organisation, as part of INSAT system. GSAT-8 was launched on May 21, 2011 from Kourou, French Guiana. The rocket, an Ariane 5 was the carrier, marketed by the European Arianespace. First satellite to carry GAGAN payload followed up by GSAT-10 and in-orbit spare GSAT-15.[2][3]

YouTube Encyclopedic

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  • India's GSAT-8 & Mitsubishi Electric's ST-2 satellites launched by Arianespace [2011.05.21]
  • India's GSAT-8 communication & augmented navigation satellite - overview
  • GSAT-11 | Last Indian Satellite To Be Launched By A Foreign Rocket
  • Arianespace Flight - ST-2 and GSAT-8
  • Indian Navy's GSAT-7 ‘Rukmini’ keeps eye on dancing ‘dragon’ at sea



Prior to launch, the spacecraft was transported from India to Cayenne – Rochambeau Airport in French Guiana by an Antonov An-124 cargo aircraft. The success of the launch is said to have made up for the previous loss of two satellites on the indigenous GSLV rocket.[4][5] GSAT-8 was co-located with INSAT-3E at 55°E.


  1. ^ a b c "GSAT-8 Brochure" (PDF). Archived from the original (PDF) on 11 March 2013. Retrieved 30 November 2017.
  2. ^ "GAGAN - GPS Aided GEO Augumented Navigation". Retrieved 2017-11-30.
  3. ^ "SALIENT FEATURES OF GSAT-8". Retrieved 2018-03-17.
  4. ^ "GSAT-8 communication satellite launched successfully, India's advanced communication satellite". The Times of India. Archived from the original on 2011-09-09. Retrieved 2013-03-13.
  5. ^ Naravane, Vaiju (21 May 2011). "Ariane 5 launches GSAT-8 from French Guiana, India's advanced communication satellite". Chennai, India: The Hindu.
This page was last edited on 14 April 2021, at 15:37
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