Aditya-L1 mission on track to reach Lagrange Point 1; check ISRO plan

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Aditya-L1, India's first space-based solar observatory, was launched on September 2, 2023. It will study the Sun from a halo orbit around the first Sun-Earth Lagrangian point (L1), located roughly 1.5 million km from Earth.

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L1 is a point in space where the gravitational forces of the Sun and Earth balance each other out, making it an ideal location to study the Sun.

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This will allow Aditya-L1 mission spacecraft to maintain a stable orbit without using much fuel thereby extending its life.

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Aditya-L1 instruments: Aditya-L1 mission spacecraft will carry seven different payloads to study the Sun in detail. These payloads will observe the Sun's light, plasma, and magnetic fields.

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Aditya-L1 mission will study the Sun's corona, chromosphere, and photosphere. It will also study the solar wind and solar flares.

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“After the instruments are switched on, Aditya L1 will begin streaming scientific data. Currently, the spacecraft is in good health," S. Somanath said.

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The sensors of the STEPS (Supra Thermal and Energetic Particle Spectrometer) instrument have begun measuring supra-thermal and energetic ions and electrons at distances greater than 50,000 km from Earth.

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Aditya-L1 is expected to reach L1 by mid-January 2024. Once it reaches L1, it will be placed in a halo orbit, which will allow it to stay close to L1 while also moving around the Sun.

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Aditya-L1 is expected to make a significant contribution to solar science. It will help us to better understand the Sun and its impact on Earth, leading to better space weather forecasting and protection of our infrastructure.

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Aditya-L1 is a testament to India's space prowess. It is a complex mission that requires years of planning and preparation. The successful launch and operation of Aditya-L1 mission is a major achievement for ISRO.