ISRO puts 36 satellites into orbit

Context: Indian Space Research Organisation’s Launch Vehicle Mark-3 (LVM3) placed 36 OneWeb satellites in a low earth orbit (LEO) following a successful launch from the Satish Dhawan Space Centre at Sriharikota.

OneWeb satellites:

  • OneWeb is a United Kingdom-based company, backed by the UK government and India’s Bharti Enterprises, which is implementing a constellation of LEO satellites.
    • The global communication network powered from space plans to enable connectivity for governments, businesses, and communities.
  • This is OneWeb’s 18th launch (second launch from India) which completed OneWeb’s constellation of 618 low earth orbit satellites that would allow it to offer high-speed, low-latency broadband internet services from space in every corner of the world.
  • The first set of 36 satellites was launched by the LVM3/OneWeb India-1 mission by ISRO on October 23, 2022.
Satellites may connect the entire world to the internet | The Economist


  • OneWeb uses a constellation of LEO satellites to provide broadband internet access instead of the traditional method of using satellites placed in geostationary orbits (GEO) 36,000 km above the equator.
  • LEO satellites placed in orbits ranging from 200 km to 1,500 km from earth – compared to 36,000km for GEO satellites – significantly increase bandwidth and reduce latency in space to around 50-70 milliseconds (ms).
    • Latency refers to the time taken by a data packet to be transmitted from a user to the internet service provider through the satellite network.
    • The latency for GEO satellite networks is in the range of 500-700 ms, which limits their use to 2G and 3G communications. 

Prelims Practice Question:

  1. Consider the following statements with reference to OneWeb’s constellation of satellites: 
  2. OneWeb uses a constellation of satellites placed in geostationary orbit satellites to provide broadband internet access.
  3. The final set of satellites was launched by Launch Vehicle Mark-3 rocket which is the heaviest rocket in use by Indian Space Research Organisation.

Which of the statements given above is/are correct?

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2

Answer: (b)

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