April 22, 2021

The WebShore

Edge of Knowledge

ISRO’s PSLV-C51 puts Brazil’s Amazonia-1 satellite into orbit

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This satellite would further strengthen the existing structure by providing remote sensing data to users for monitoring deforestation in the Amazon region and analysis of diversified agriculture across Brazil.

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KEY HIGHLIGHTS

  • PSLV-C51 blasted off from the first launch pad at 10.24 a.m. laden with 19 satellites including Amazonia-1.
  • Amazonia-1 is the optical earth observation satellite of the National Institute for Space Research (INPE).
  • India’s first space mission for 2021 is one of the longest for a PSLV rocket.

India on Sunday morning successfully placed into orbit Brazil’s earth observation satellite Amazonia-1in a textbook style. The Polar Satellite Launch Vehicle-C51 (PSLV-C51) blasted off from the first launch pad at 10.24 a.m. laden with 19 satellites including Amazonia-1.

At 10.24 a.m. the 44.4-meter tall PSLV-C51 rocket blasted off from the first launch pad here laden with 19 satellites-foreign and Indian- and slowly rose-up towards the skies with thick orange flame at its tail.

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The rocket slowly gained speed as it went up while emitting a rolling thunder sound. Seventeen minutes into its flight the rocket slung its primary passenger the Brazilian satellite Amazonia-1 – the first of the 19 satellites- into its intended Sun Synchronous Orbit.

Amazonia-1 is the optical earth observation satellite of the National Institute for Space Research (INPE). This satellite would further strengthen the existing structure by providing remote sensing data to users for monitoring deforestation in the Amazon region and analysis of diversified agriculture across the Brazilian territory, the Indian Space Research Organisation (ISRO) said.

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With this India has slung 329 foreign satellites to date. If all goes well, then India will end the mission orbiting a total of 342 foreign satellites, all for a fee.

India’s first space mission for 2021 is one of the longest for a PSLV rocket is expected to conclude 1 hour, 55 minutes, and 7 seconds into its flight. The rocketing is a fully commercial one of NewSpace India Ltd (NSIL).

The 18 co-passenger satellites include four from IN-SPACe (three UNITYsats from a consortium of three Indian academic institutes (Jeppiaar Institute of Technology, Sriperumbudur, G.H.Raisoni College of Engineering, Nagpur, and Sri Shakthi Institute of Engineering and Technology, Coimbatore), one Satish Dhawan Sat from Space Kidz India) with an engraved picture of Prime Minister Narendra Modi as well as Bhagavad Gita in a flash.

The remaining 14 satellites are Sindhu Netra, an Indian technology demonstration satellite from Defence Research Development Organisation’s (DRDO) research center Imarat, Hyderabad to identify suspicious ships and 13 satellites from the USA viz., SAI-1 NanoConnect-2, a technology demonstration satellite and 12 SpaceBees satellites for two-way satellite communications and data relay.

For the third time ISRO is using the PSLV rocket’s DL variant that will have two strap-on booster motors.

In the normal configuration, the PSLV is a four-stage/engine expendable rocket powered by solid and liquid fuels alternatively. Six booster motors will also be strapped onto the first stage to give higher thrust during the initial flight moments.

But the PSLV rocket that flew on Sunday was the DL variant having only two strap-booster motors. This rocket variant was used the first time to put the Microsat R satellite into orbit on January 24, 2019. The Indian space agency has PSLV variants with two and four strap-on motors, larger PSLV-XL and the Core Alone variant without any strap-on motors. The choice of the rocket to be used for a mission depends on the weight of the satellite and the orbit where the satellite has to be orbited. Be that as it may, the PSLV-C51 mission is one of the longest ones.

As per its flight plan, the rocket will put the 19 satellites into Sun Synchronous Orbit over a duration of 1 hour, 55 minutes, and 7 seconds. During its flight, the rocket’s fourth stage engine will be cut off and restarted a couple of times, the first one will be at 16 minutes into its flight. Just over one hour into its flight the rocket’s engine will be restarted for about nine seconds before it is shut down again.

After 1 hour, 49 minutes, and 52 seconds the rocket’s engine will be reignited for eight seconds after which the 18 piggyback satellites will be put into orbit.

About Post Author

Hardik Gandhi

Me Hardik Gandhi a Blogger, Web Developer Since 2014, CEO of Techno Disc Web Solution, also provides technical SEO and Graphics Design for Businesses of all Sizes.
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