The PSLV-C57 was the 59th mission of Indian Space Research Organisation's Polar Satellite Launch Vehicle (PSLV), which carried India's indigenously made solar observatory Aditya-L1.

[1] It was launched on Saturday, 02 September 2023 at 11:50 IST / 06:20 UTC from Satish Dhawan Space Centre, Sriharikota, Andhra Pradesh, India.

This was India's first Solar Observatory ever launched in history.

On 6 January 2024, Aditya-L1 spacecraft, India's first solar mission, has successfully entered its final orbit with a period of approximately 180 days around the first Sun-Earth Lagrangian point (L1), approximately 1.500 million kilometers from Earth.

[2] Primary payload: Aditya-L1 PSLV configuration: PSLV-XL