![]() GISAT-1 spacecraft in the cleanroom before encapsulation. | |
Manufacturer | |
---|---|
Country of origin | India |
Operator | ISRO |
Applications | Earth observation |
Specifications | |
Bus | I-2K [1] |
Launch mass | 2268 kg [3][4] |
Power | 2280 watts[1] |
Equipment | Ritchey-Chrétien telescope[2] Multispectral array detectors Steerable antenna |
Regime | Geostationary orbit |
Design life | 7 years (planned) |
Production | |
Status | Planned |
Launched | 1 |
Operational | 0 |
Failed | 1 |
Lost | 0 |
Maiden launch | 12 August 2021, 00:13 UTC[5][6][7][8] |
Geo Imaging Satellite or GISAT is an Indian imaging satellite class for geostationary orbit with a high temporal resolution, meant for providing near real time imaging with fast revisit capability and real time monitoring.[9] Two satellites will provide resolution in the range of 42 to 318 m.[1][10] It will carry multi-spectral (Visible and Near-InfraRed, and Short Wave-InfraRed), multi-resolution (42 to 318 m) imaging instruments.[11]
The first satellite; EOS-3 (aka GISAT-1) was launched on 12 August 2021 but failed to reach orbit as cryogenic upper stage of GSLV could not ignite. EOS-3 was supposed to fulfil civilian applications.[12]
The second satellite, EOS-5 (aka GISAT-2) will be acquired by Indian Navy and will differ slightly in capabilities compared to EOS-03 (aka GISAT-1).[13][12][14]
gslv2020
was invoked but never defined (see the help page).TH_20210710
was invoked but never defined (see the help page).The first one (Gisat-1) was for civilian use, but Gisat-2 is for strategic purposes and the navy has very specific requirements which they (Isro) need to meet,
GISAT Series: Geo Imaging Satellite is envisaged to provide high resolution imaging capability from geostationary orbit. It will consist of high-resolution imaging in VNIR (GISAT-1/-2) and LWIR (GISAT-2). There will be two hyperspectral imagers covering VNIR and SWIR regions. GISAT-1 payload was successfully delivered to the project.
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