GSAT-8
| GSAT-8 | |
| Mission type | Communication | 
|---|---|
| Operator | INSAT | 
| COSPAR ID | 2011-022A | 
| SATCAT no. | 37605 | 
| Mission duration | Planned: 12 years Elapsed: 14 years, 1 month | 
| Spacecraft properties | |
| Bus | I-3K | 
| Manufacturer | ISRO | 
| Launch mass | 3,093 kilograms (6,819 lb) | 
| Dry mass | 1,426 kilograms (3,144 lb) | 
| Power | 6,242 watts | 
| Start of mission | |
| Launch date | 20 May 2011, 20:38 UTC | 
| Rocket | Ariane 5ECA VA202 | 
| Launch site | Kourou ELA-3 | 
| Contractor | Arianespace | 
| Orbital parameters | |
| Reference system | Geocentric | 
| Regime | Geostationary | 
| Longitude | 55° East | 
| Transponders | |
| 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.