ISRO’s Aditya-L1 put on route to observe Sun, leaves earth’s orbit

According to ISRO, the Aditya-L1, India's space-based solar observatory, was positioned at Trans-Lagrangian Point 1 at 2 a.m. on Tuesday.

Chennai: In the early hours of Tuesday, the Indian Space Research Organisation (ISRO) achieved another milestone by sending the Aditya-L1 solar observatory on its journey towards the Sun. The spacecraft was successfully inserted into Trans-Lagrangian Point 1, marking a significant step in India’s space exploration endeavours.

According to ISRO, the Aditya-L1, India’s space-based solar observatory, was positioned at Trans-Lagrangian Point 1 at 2 a.m. on Tuesday.

This crucial manoeuvre puts the spacecraft on a trajectory that will eventually lead it to the Sun-Earth L1 point. The actual orbit around L1 will be established through a carefully planned manoeuvre after approximately 110 days.

This accomplishment is the fifth instance where ISRO has adeptly transferred an object on a trajectory to another celestial body or space location.

Previously, ISRO had successfully sent spacecraft towards the Moon three times and once towards Mars. The latest achievement involves sending Aditya-L1 towards the sun, marking another remarkable feat.

As the spacecraft travels towards Lagrange Point (L1), it will exit the earth’s gravitational sphere of influence (SOI).

After the exit from SOI, the cruise phase will start, and subsequently, the spacecraft will be injected into a large halo orbit around L1—the point where the gravitational pull of two large bodies—the Sun and Earth—will be equal, and hence the spacecraft will not gravitate towards any one of the planets.

The total travel time from the launch to the L1 would take about four months for Aditya-L1, and the distance covered would be about 1.5 million km from the Earth.

 
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