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Home Science & Tech

Soyuz 2.1b launched Russian Early Warning Satellite

November 29, 2021
in Science & Tech
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Soyuz 2.1b launched Russian Early Warning Satellite
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In news- Recently, a Soyuz 2.1b rocket launched the Tundra 15L early warning satellite for the Russian Ministry of Defence.

About Tundra 15L- 

  • The rocket was launched from the Plesetsk cosmodrome in Russia’s Arkhangelsk region.
  • Believed to be an early warning anti-missile system (satellite), the payload has been placed into orbit.
  • It would travel in a highly elongated orbit with the parameters of 1626 km × 38552 km.
  • It will detect and provide information to the Russian military on potential ballistic missile launches towards the country.
  • The Tundra 15 will join the four Tundra satellites currently orbiting Earth. 
  • The first Tundra 11L in this sequence was launched on November 17, 2015, also with the Soyuz-2.1b rocket. 
  • The next two satellites were launched in 2017 and 2019, respectively.

About Soyuz-2-

  • It is a modernized version of the Soviet Soyuz rocket.
  • In its basic form, it is a three-stage launch vehicle for placing payloads into low Earth orbit. 
  • Compared to the previous versions of the Soyuz, the first-stage boosters and two core stages feature uprated engines with improved injection systems. 
  • Soyuz-2 is often flown with an upper stage, which allows it to lift payloads into higher orbits, such as Molniya and geosynchronous orbits.
  • The 2.1b version adds an upgraded engine (RD-0124) which greatly increases the specific impulse of the upper stage  and hence improves payload capability from 7 tonnes to 8.2 tonnes.

 

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Source: The Hindu
Tags: News PaperPrelims

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