SCATSAT-1: Important Topics for UPSC Exams​

SCATSAT-1: Important Topics for UPSC Exams​


  • SCATSAT-1 or Scatterometer-1 is a continuity mission for Oceansat-2 which will provide wind vector data products for weather forecasting, cyclone detection and tracking services to the users.
  • Launch Vehicle: PSLV-C35, Launch Mass: 371 Kg, Earth Observation satellite.
  • Sun synchronous polar orbit at 780km altitude.
  • Launch place: Sriharikota.
  • PSLV: 4 stage rocket with a mixture of liquid and solid fueled stages.
  • Ku-band, scatterometer is used in it, similar to the one used in Oceansat-2.


  • Because of instrument failure of Oceansat-2 satellite in 2014 and oceansat-3 being planned in 2018, therefore to address the gap scatsat-1 was launched with 5 year mission life in September 2016.


  • 34th consecutive success for PSLV launch vehicle of ISRO.
  • 6th launch in a year by ISRO, the earlier maximum was 5 launches in 2015.
  • Longest mission till date, lasting more than 2 hours.
  • Built from leftover from other satellite mission, therefore optimal waste use approach.
  • 2 Indian satellites: Pratham (10kg) built by (IIT-Bombay) and Pisat (5.25 kg) from PES University, Bengaluru were also sent with this mission. Also, some foreign satellites were sent.

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