India’s Aditya-L1 solar observatory departs from the influence of the planet

According to the Indian Space Research Organisation (ISRO), India’s solar observatory Aditya-L1 has successfully left Earth’s gravitational field and has travelled more than 9.2 lakh kilometers so far.

The Aditya-L1 is currently navigating its course towards the Sun-Earth Lagrange Point 1 (L1), according to the Indian space agency. It said that the Mars Orbiter Mission had been the first time that ISRO had been able to send a spacecraft outside the Earth’s sphere of influence

Additionally, the ISRO has now successfully transferred an object on a trajectory towards another celestial body or location in space five times in a row. It has once moved its spacecraft to Mars and three times towards the moon.

The Polar Satellite Launch Vehicle-XL (PSLV-XL) variant of an Indian rocket placed the Aditya L1 in low earth orbit (LEO) on September 2. Since then, the ISRO has raised the spacecraft’s orbit four times.

The cruise phase will begin as the spacecraft approaches Lagrange Point (L1) after leaving the earth’s gravitational sphere of Influence (SOI), and it will then be injected into a large halo orbit around the L1—the location where the gravitational pull of the Sun and the Earth are equal, preventing the spacecraft from gravitating towards either of them. 

Aditya-L1 would take approximately four months to travel from launch to L1, which would be 1.5 million kilometers away from Earth.

See also: Failure of Russia’s Ambitious Luna-25 Mission

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