Aditya-L1 successfully started its 110-day journey to the Sun-Earth system's Lagrange Point-1

20 Sep 2023

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Aditya-L1 successfully started its 110-day journey to the Sun-Earth system's Lagrange Point-1

Aditya-L1—India's first solar observatory—started its 110-day journey to the Sun-Earth system's Lagrange Point-1 after the Indian Space Research Organisation (ISRO) completed the crucial trans-Lagrangean Point insertion manoeuvre in the early hours of Tuesday. This manoeuvre pushed the spacecraft out of the Earth's orbit.

"Let's get to the Sun-Earth L1 point! Successful completion of the Trans-Lagrangean Point 1 Insertion (TL1I) manoeuvre. The spacecraft is now travelling towards the Sun-Earth L1 point. After around 110 days, it will be manoeuvred into an orbit around L1, according to a statement from ISRO on Tuesday.

The space agency also acknowledged that ISRO has successfully transported an item on a trajectory towards a different celestial body or place in space five times in a row. Lagrange Points are locations in space where the gravitational forces of a two-body system, such as the Sun and Earth, generate heightened zones of attraction and repulsion, according to the National Aeronautics and Space Administration (NASA).

According to a NASA paper, "spacecraft can use these as 'parking spots' in space to remain in a fixed position with little fuel consumption."

The Aditya-L1 spacecraft, the nation's first attempt to study the Sun, was launched on September 2 by the Indian space agency from the Sriharikota spaceport. Following the launch, a number of manoeuvres were carried out on Earth to make sure the spaceship would have enough velocity to begin its 125-day mission. Indian scientists will be able to get new knowledge about the solar system's core thanks to the project, which will guarantee continuous monitoring of the Sun.

The mission calls for the spacecraft to be put in a halo orbit 1.5 million kilometres from Earth, known as L1, in the Sun-Earth system. Of course, the distance between the Earth and the Sun at this time is merely 1%. The spaceship was ultimately freed from Earth's orbit on Tuesday so it could go to its destination. The space agency will do one last movement to bond the ship before deploying it at L1, where it will spend at least the next five years researching the Sun.

 

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