ISRO Achieves 100th Launch Milestone

January 30, 2025

On January 29, 2025, the Indian Space Research Organisation (ISRO) marked milestone by successfully completing its 100th launch from the Satish Dhawan Space Centre in Sriharikota. The mission involved the Geosynchronous Satellite Launch Vehicle (GSLV-F15), which carried the NVS-02 satellite into orbit. This launch not only represents a technical achievement but also marks India’s growing capabilities in space exploration and technology.

Overview of the Launch

The GSLV-F15 lifted off successfully placing the NVS-02 satellite in its intended orbit.
This satellite is the second in the Navigation with Indian Constellation (NavIC) series, designed to provide precise navigation services across India and surrounding regions.

Technical Specifications of NVS-02

NVS-02 has a lift-off mass of 2,250 kg and operates on the I-2K bus platform.
It features navigation payloads across L1, L5, and S bands, along with a C-band ranging payload.
This satellite employs a combination of indigenous and procured atomic clocks to ensure accurate time estimation, crucial for navigation services.

Significance of GSLV-F15

The GSLV-F15 is notable for being the 17th flight of India’s GSLV series and the 11th flight equipped with an indigenous cryogenic stage.
This indigenous technology is vital for launching heavier payloads into geosynchronous orbits, showcasing India’s technological prowess in space.

Historical Context of ISRO’s Launches

ISRO’s journey began with its first launch on August 10, 1979, involving the Satellite Launch Vehicle-3 (SLV-3 E10). Over the years, ISRO has developed six generations of launch vehicles, advancing its capabilities. The successful launch of NVS-02 is a testament to this evolution.

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