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Indian Aditya-L1 Solar Mission Performs TL1I Manoeuvre, on Track to Reach Sun-Earth L1 Point.

The Indian Space Research Organisation (ISRO) made an announcement on Tuesday stating that their inaugural solar mission, known as Aditya-L1, has executed the Trans-Lagrangean Point 1 Insertion (TL1I) manoeuvre with success. Consequently, the spacecraft is currently following a path that will lead it to the Sun-Earth L1 point. Additionally, the ISRO reported that it was the fifth time in a row that an object had been successfully moved on a trajectory towards another celestial body or location in space.

On the social media platform X, a post titled “Off to Sun-Earth L1 Point” was made by the ISRO’s official account. The trans-Lagrangean Point 1 Insertion (TL1I) manoeuvre was carried out successfully. Currently, the spacecraft is moving towards the Sun-Earth L1 point. A manoeuvre will need about 110 days to put it into an orbit around L1. The ISRO has now, five times in a row, successfully carried an object on a trajectory towards a different celestial body or location in space.

The Aditya-L1 satellite was earlier sent into space from the Satish Dhawan Space Center in Andhra Pradesh. The main goals of India’s first solar mission are to gather scientific data and reach a new milestone in the country’s solar research endeavours.

Aditya-L1 Mission Update: Aditya-L1 has started the process of acquiring scientific data, as the agency previously stated on X date. Beyond the 50,000 km mark from Earth, the STEPS instrument’s sensors have commenced the measurement of supra-thermal ions and electrons. This data serves to facilitate the examination of particle activities in the Earth’s vicinity. The accompanying figure shows changes in the energetic particle environment that one of the instrumentation units has captured.

The Supra Thermal and Energetic Particle Spectrometer (STEPS) instrument on the Aditya Solar Wind Particle Experiment (ASPEX) payload also started gathering data early.


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