IAS Gyan

Daily News Analysis


19th April, 2023 Science and Technology

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  • The Indian Space Research Organisation (ISRO) is preparing for its next big commercial mission to launch a Singaporean Earth Observation satellite - TeLEOS-2.

TeLEOS 2: Fast Facts

  • The TeLEOS 2 is a 750kg Earth Observation Satellite.
  • It is designed to capture round-the-clock, all-weather satellite imagery of the Earth.
  • It features synthetic aperture radar which can provide data in 1-metre resolution.
  • It will provide imagery that will be used for hotspot monitoring and haze management, along with assistance in aviation accidents, search and rescue operations, and more.
  • TeLEOS-2 will be launched aboard ISRO’s Polar Satellite Launch Vehicle (PSLV), which will take off on its 55th mission.
  • The ISRO will use the XL variant of PSLV in the upcoming C-55 mission. 

Note: This is also not the first time the ISRO will be launching a Singaporean satellite from India. It launched three Singaporean satellites with the PSLVC-53 mission in June 2022 and in 2015, the ISRO launched the TeLEOS-1, which was the first Singapore commercial Earth Observation Satellite.

About PSLV

  • The Polar Satellite Launch Vehicle (PSLV) is the first Indian launch vehicle with liquid stages.
  • The PSLV is called the 'the Workhorse of ISRO' as it has consistently delivered various satellites to Low Earth Orbits.
  • The rocket can carry up to 1,750 kg of payload to 600 km altitude.
  • It can also place multiple payloads into orbit with multi-payload adaptors.


Q. Which of the following statements are correct in reference to the TeLEOS 2 Satellite?

a)    The TeLEOS 2 is a 750kg Earth Observation Satellite launched by NASA.

b)    It features synthetic aperture radar which can provide data in 10-meter resolution.

1.    Only a

2.    Only b

3.    Both a and b

4.    None of the above.

Correct Answer: Option 4