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ISRO Successfully Launches Amazonia-1 & 18 other Satellites from Sriharikota

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ISRO places Brazil’s Amazonia-1, 18 other satellites in orbitOn February 28, 2021, Indian Space Research Organisation (ISRO) successfully launched 1 primary satellite ‘Amazonia-1’ & 18 co-passenger satellites from India (5) & USA (13) from the Satish Dhawan Space Centre SHAR (SDSC-SHAR), Sriharikota, Andhra Pradesh. The satellites were launched using Polar Satellite Launch Vehicle-C51 (PSLV-DL Variant).

  • PSLV C-51/Amazonia-1 mission is the 1st Dedicated PSLV Commercial Mission for NewSpace India Limited (NSIL), which is the ISRO’s commercial arm (setup in 2019).
  • This is ISRO’s 1st Launch of 2021. It has launched 14 Missions in 2021.


  • With this India has totally launched 342 Foreign satellites from 34 countries.
  • It is the 53rd Flight of PSLV & the 3rd Flight of PSLV-DL Variant
  • It is also the 78th Launch Vehicle Mission from SDSC SHAR.


  • It is an Optical Earth Observation Satellite of the National Institute for Space Research (INPE), Brazil. It is the 1st satellite to be completely designed, integrated, tested & operated by INPE.
  • NSIL undertook the mission under a commercial arrangement with Spaceflight Inc., USA.
  • It will provide remote sensing data to users for monitoring Deforestation in the Amazon region & analysis of diversified agriculture across Brazil.
  • The data will be utilized for monitoring coastal regions, water reservoirs, natural and cultivated forests & prediction of possible environmental disasters.
  • It has a Mission life of 4 years and weighs 637 kg.

Indian Satellites

Satish Dhawan SAT – (SDSAT)

  • It is a nano-satellite built by Space Kidz India (SKI).
  • The main objective of the Satellite is to study radiation levels; space weather & demonstrate long range communication technologies.
  • The satellite has an engraving of Prime Minister Narendra Modi’s name on top of the panel to show its gratitude towards ‘Atma Nirbhar’ initiative & carried an e-copy of Bhagavad Gita.


  • It is a combination of three satellites (JITsat, GHRCESat & Sri Shakthi Sat) with an intention of providing radio relay services.
  • It has been designed and built as a joint development by the Jeppiaar Institute of Technology, Sriperumbudur, Tamil Nadu (JITsat); G.H. Raisoni College of Engineering, Nagpur, Maharashtra (GHRCESat); Sri Shakthi Institute of Engineering and Technology, Coimbatore, Tamil Nadu (Sri Shakthi Sat).

Sindhu Netra – Commercial Co-passenger

  • It is a satellite developed by the Defence Research & Development Organisation (DRDO).
  • The main purpose of the satellite will be to monitor the activities of military & merchant navy ships in the Indian Ocean Region (IOR).
  • In 2019, India & France signed an agreement for building a constellation of 10 low-earth orbit satellites for maritime surveillance for identifying & tracking ships in the Indian Ocean.

USA Satellites

  • A Total of 13 Satellites from the USA were launched in the mission.
  • The ‘SAI-1 NanoConnect-2’ satellite was launched with ab objective of Technology Demonstration
  • 12 Satellites called ‘SpaceBEEs’was launched with an objective of 2-way Satellite communications & data relay.

‘Anand’ developed by Pixxel delayed

  • The Satellite ‘Anand’ built by Indian Space Startup, Pixxel was not launched due to a software glitch.
  • If ‘Anand’ had been launched, it would have been the 1st Indian Private Company to launch its satellite using ISRO’s facility.

Next Mission

ISRO’s Next Mission would be the launch of Geo-Imaging Satellite ‘GISAT-1’ on GSLV-F10 Rocket.


SatelliteCountry Significance & Objective

(Developed by INPE, Brazil)

  • 1st Dedicated PSLV Commercial Mission for NewSpace India Limited (NSIL).
  • For monitoring Deforestation in the Amazon region
Satish Dhawan SAT  –  (SDSAT)India

(Developed by   Space Kidz India (SKI))

  • to study radiation levels, space weather
  • demonstrate long range communication technologies

(Combination of 3 satellites JITsat, GHRCESat & Sri Shakthi Sat)

Developed by 3 Indian Colleges.
  • To Provide radio relay services
Sindhu NetraDeveloped by DRDO, India
  •  To monitor the activities of military & merchant navy ships in the Indian Ocean Region (IOR)
‘SAI-1 NanoConnect-2’USATechnology Demonstration
SpaceBEEsUSA 2-way Satellite communications & data relay

About Indian Space Research Organisation (ISRO)
Chairman– Dr.K. Sivan (Secretary of Department of Space(DoS))
Headquarters– Bengaluru, Karnataka