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ISRO Successfully Puts Three Satellites into Orbit on Board the PSLV C-52

  • Published
    15th Feb, 2022
Context

The Indian Space Research Organisation, ISRO has successfully launched the Polar Satellite Launch Vehicle PSLV-C52 from the first launch pad of Satish Dhawan Space Centre in Sriharikota.

Key highlights of the launch

  • India’s Polar Satellite Launch Vehicle PSLV-C52 injected Earth Observation Satellite EOS-04, into an intended sun synchronous polar orbit of 529 km altitude from Satish Dhawan Space Centre, SHAR, Sriharikota.
  • PSLV lifted off from the first launch pad at SHAR. This was the 80th launch vehicle mission from SDSC SHAR, Sriharikota.
About

About PSLV-C52/EOS-04 Mission:

  • The EOS-04 or Risat-1A, the fifth flight in its Radar Imaging Satellite (RISAT) series, is a radar imaging satellite.
  • The Polar Satellite Launch Vehicle-C52 launched Risat-1A into a sun-synchronous polar orbit of 529km. 
  • The primary instrument onboard is SAR-C. This stands for Synthetic Aperture Radar (in the so-called C band, with a frequency of 5.35 GHz).
    • It is a high-resolution, all-weather, multi-purpose imager for ocean, land and ice.
  • Application: The satellite is designed to provide high-quality images under all-weather conditions for applications such as
    • Agriculture
    • forestry and plantations
    • soil moisture and hydrology
    • flood mapping
    • The radar imaging satellite will also boost India's border security by facilitating an additional eye in the sky.
  • Weight: about 1710 kg, the satellite generates 2280 W power
  • Mission life: 10 years

INSPIREsat-1 & INS-2TD

  • The vehicle also placed two small satellites:
  • A student satellite (INSPIREsat-1) from Indian Institute of Space Science & Technology (IIST) in association with Laboratory of Atmospheric & Space Physics at University of Colorado, Boulder
  • A technology demonstrator satellite (INS-2TD) from ISRO, which is a precursor to India-Bhutan Joint Satellite (INS-2B).

Polar Satellite Launch Vehicle (PSLV)

  • Polar Satellite Launch Vehicle (PSLV) is an indigenous, third generation launch vehicle developed by ISRO.
  • It comes in the category of medium-lift launchers with a reach up to the Geo Synchronous Transfer Orbit, Lower Earth Orbit, and Polar Sun Synchronous Orbit.
  • PSLV operations are controlled from the Satish Dhawan Space Center, Sriharikota.
  • Four-stages: PSLV is a four-stage rocket that combines solid and liquid propellants.
    • The first stage at the very bottom is solid fuelled having six strap-on solid rocket boosters wrapped around it.
    • The second stage is liquid-fuelled
    • The third stage has a solid fuelled rocket motor.
    • At the fourth stage, the launcher uses a liquid propellant for a boost in outer space.
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