Mission Aditya L1

By Geographic Book


Aditya-L1 is the first space based observatory class Indian solar mission to study the Sun from a substantial distance of 1.5 million kilometers. It will take approximately 125 days to reach the L1 point.

Fact 2

Aditya-L1 is also ISRO’s second astronomy observatory-class mission after AstroSat (2015).

Fact 3

The mission's journey is notably shorter than India's previous Mars orbiter mission, Mangalyaan.

Fact 4

The spacecraft is planned to be placed in a halo orbit around the Lagrangian point 1 (L1) of the Sun-Earth system.



The mission aims to provide valuable insights into the solar corona, photosphere, chromosphere, and solar wind.


The primary objective of Aditya-L1 is to gain a deeper understanding of the Sun's behavior, including its radiation, heat, particle flow, and magnetic fields, and how they impact Earth.

What is L1?

What is L1?

The Sun L1 point, or Sun-Earth L1 point, is a special location in space about 1.5 million kilometers (about 930,000 miles) away from Earth in the direction of the Sun. It's one of five Lagrange points, where the gravitational forces from the Sun and Earth balance out, allowing spacecraft to stay relatively stable there. This point is useful for space missions, including studying the Sun and launching missions to other parts of the solar system.

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