The importance of the EOS 04 launch, ISRO’s first of 2022


  • Indian Space & Research Organization(ISRO) will be launching the EOS 04 Satellite on board the Polar Satellite Launch Vehicle(PSLV-C52).

What is EOS 04?

  • EOS 04 is the fourth in the series of earth observation satellites.
  • It is a Radar Imaging Satellite.

    EOS 04 launch
    Credit: Financial Express
  • It weighs about 1710 kg and will be placed in a sun-synchronous polar orbit.
  • The satellite is designed to provide high-quality images under all weather conditions for applications such as agriculture, forestry and plantations, soil moisture & hydrology, and flood mapping.
  • The satellite will complement the data from Resourcesat, Cartosat and RISAT-2B series of satellites that are already in orbit.
  • The satellite has a mission life of 10 years.

Earlier EOS Satellites

  • EOS-01: It was launched in 2020. It is in orbit right now.
  • EOS-02: It is yet to be launched. It is a microsatellite to be flown on a new launch vehicle called SSLV (Small Satellite Launch Vehicle).
  • EOS-03: It ended in a failure in August 2021.

Other satellites launched with EOS-04

  • INSPIREsat-1

    • It is a student satellite developed by the Thiruvananthapuram-based Indian Institute of Space Science and Technology in collaboration with the University of Colorado in the United States.
    • This satellite will study the dynamics of the upper atmosphere and carries an X-ray spectrometer for studying solar flares.
  • INS-2TD

    • It is a technology demonstrator for the first India-Bhutan joint satellite that is scheduled to be launched in March 2022.
    • The INS-2TD has a thermal imaging camera meant for earth observation purposes, like the assessment of land and water surface temperature and identification of forest and tree cover.

Source: IE

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