ISRO’s GSLV-F15 launches from Sriharikota marking historic 100th rocket launch

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NVS-02 satellite launching aboard ISRO's GSLV-F15 rocket from Sriharikota. Image credit: ISRO via X

The Indian Space Research Organisation (ISRO) achieved a significant milestone on January 29, 2025, with the successful launch of its 100th rocket mission from the Satish Dhawan Space Centre in Sriharikota. This historic event marked not only a century of launches from this spaceport but also the first mission under the leadership of ISRO’s new chairman, V. Narayanan.

The GSLV-F15 rocket lifted off at 6:23 AM IST, carrying the NVS-02 satellite, part of India’s second-generation Navigation with Indian Constellation (NavIC) system.

The NVS-02 was successfully deployed into a Geosynchronous Transfer Orbit (GTO) approximately 19 minutes post-launch. The organization later shared the onboard footage of the stage separation and satellite deployment on X (formerly Twitter).

This satellite is designed to enhance navigation services across India and extends up to 1,500 kilometers beyond its borders.

With a lift-off mass of 2,250 kilograms, NVS-02 incorporates advanced technology, including a Rubidium Atomic Frequency Standard for precise timekeeping and navigation payloads operating on multiple frequency bands (L1, L5, and S bands).

This launch is particularly noteworthy as it showcases ISRO’s advancements in cryogenic technology. The GSLV-F15 is the 11th flight utilizing an indigenous cryogenic stage. The rocket’s payload fairing has a diameter of 3.4 meters and is crucial for increasing payload capacity during launches.

This historic launch reflects nearly five decades of progress since its first major launch in 1979. ISRO continues to inspire with its ambitious goals and commitment, such as Gaganyaan and Chandrayaan 4, to advance India’s position in global space endeavors through future space missions.

Nihal Sayyad

Nihal Sayyad is an amateur astronomer with a profound passion for space and science communication. He shares valuable insights on space exploration, celestial events, and scientific discoveries. His work has been featured in the Edinburgh News, Yorkshire Post, and National World, showcasing his ability to deliver accurate and engaging content.

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