| Mission type | Telecommunication and meteorological observation |
|---|---|
| Operator | INSAT |
| COSPAR ID | 1993-048B |
| SATCATno. | 22724 |
| Mission duration | 11 years |
| Spacecraft properties | |
| Manufacturer | ISRO |
| Launch mass | 1,906 kilograms (4,202 lb) |
| Dry mass | 916 kg |
| Power | 1000 watts |
| Start of mission | |
| Launch date | 23 July, 1993 |
| Rocket | Ariane-4 |
| Launch site | Kourou, French Guiana |
| Contractor | Arianespace |
| End of mission | |
| Deactivated | 1 July, 2004 |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Geostationary |
| Longitude | 93.5 degree east |
INSAT-2B (TheIndian National Satellite system) was the second satellite in the INSAT 2 Series that was successfully launched fortelecommunication andmeteorological observation. This India satellite was launched on 23 July 1993 from Kourou, French Guiana andAriane-4 being its launch vehicle.[1] INSAT-2B is placed in the geostationary orbit at a longitude of 93.5 degree East.[2] The satellites also carries a search and rescue(SAR) transponder, a data relaytransponder and also high resolution radiometer. Thisradiometer has a resolution of 2 km (1.2 mi) in the normal visible band and of 8 km (5.0 mi) in the thermal infra red band.[1]
The lift off mass of the satellite was around 1,906 kg (4,202 lb) and dry mass of 916 kg with aspacecraft power of 1000 W.[3] The Satellite had an operational lifespan of 11 years.[1] The satellite completed its mission on 1 July 2004 and is out of service since then.[4]
The major components of the satellite includes a VHRR (Very High-resolution Radiometer), DCS (Data Collection system) and SASAR (Satellite Aided and Rescue) system. This VHRR was completely designed & built atISRO. The VHRR is capable of working in three modes namely full scan, normal scan and sector scan mode. The DCS provides environmental information using data relay transponder from Data collection platforms. SASAR gives us emergency alerts, if any, for theIndian subcontinent.[3]
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