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Geo-Imaging Satellite EOS 03 UPSC
Source : PIB

Science And Technology

What is discussed under Geo-Imaging Satellite EOS 03 UPSC ?

  1. About the launch
  2. GSAT

Why in News ?

Geo-imaging satellite EOS-03 is scheduled for launch in third quarter of 2021. 

  • Geo-imaging satellite will help in near-real time monitoring of natural disasters like floods & cyclones.
  • EOS-03 would also enable monitoring of water bodies, crops, vegetation condition, forest cover changes etc.
Key Facts

  • The satellite would enable near-real time monitoring of natural disasters like floods & cyclones.Geo-Imaging Satellite EOS-03 UPSC
  • The first developmental flight of Small Satellite Launch Vehicle or SSLV is scheduled in the fourth quarter of 2021 from Satish Dhawan Space Centre, Sriharikota.
  • ISRO’s vast experience in Solid propulsion and heritage of proven design practices has enabled SSLV to be developed as a cost-effective, three stage, all-solid launch vehicle with a payload capability of 500 kg to 500 km planar orbit or 300 kg to Sun Synchronous Polar Orbit.
  • SSLV is ideal for on-demand, quick turn-around launch of small satellites.
  • The major technologies developed as part of realization of SSLV are flexible nozzle control with electro-mechanical actuators for all stages, miniaturized avionics and a velocity trimming module in the upper stage for precise satellite injection.
  • About the satellite
    • Indian earth observing satellite operating from geostationary orbit to facilitate continuous observation of Indian sub-continent, quick monitoring of natural hazards and disaster.
    • GISAT carries an imaging payload consisting of of multi-spectral (visible, near infra-red and thermal), multi-resolution from 50 m to 1.5 km.
    • It will provide pictures of the area of interest on near real time basis including border areas.
    • GISAT payload consists of
      • 700 mm Ritchey-Chretien telescope based on the Cartosat 2 design
      • Array detectors in VNIR, SWIR and LWIR bands
      • Camera electronics and data handling system
      • Electronically steerable transmit antenna system
      • High agility platform to enable large payload steering requirements

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