|Mission duration||12 years|
|Launch mass||3,093 kilograms (6,819 lb)|
|Dry mass||1,426 kilograms (3,144 lb)|
|Start of mission|
|Launch date||20 May 2011, 20:38UTC|
|Rocket||Ariane 5ECA VA202|
|Launch site||Kourou ELA-3|
|Band||24 Ku band and 2 in L1 & L5 bands (GAGAN)|
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.
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. GSAT-8 was co-located with INSAT-3E at 55°E.
- "GSAT-8 Brochure" (PDF). Retrieved 30 November 2017.
- "GAGAN - GPS Aided GEO Augumented Navigation". www.isac.gov.in. Retrieved 2017-11-30.
- "SALIENT FEATURES OF GSAT-8". www.isac.gov.in. Retrieved 2018-03-17.
- "GSAT-8 communication satellite launched successfully, India's advanced communication satellite". Indian Space Research Organisation. Retrieved 2013-03-13.
- Naravane, Vaiju (21 May 2011). "Ariane 5 launches GSAT-8 from French Guiana, India's advanced communication satellite". Chennai, India: The Hindu.