ISRO to launch 100th mission on-board GSLV in January
Science & Tech: The mission will utilise the Geosynchronous Launch Vehicle or GSLV, to deploy the navigation satellite NVS-02, enhancing India's navigation capabilities.
The Indian Space Research Organisation (ISRO) has announced the launch of its 100th mission from the Satish Dhawan Space Centre in Sriharikota in January 2025.
According to Chairman S Somanath, ISRO will use its Geosynchronous Launch Vehicle (GSLV) to launch the second-generation navigation satellite NVS-02.
This milestone follows the successful launch of PSLV-C60 mission on December 30, 2024.
It deployed two spacecraft for the Space Docking Experiment (SpaDeX) into a circular orbit around the Earth.
Previous Launches
The PSLV-C60 launch, initially scheduled for 9:58 PM, was delayed to 10:00 PM to ensure optimal separation from other satellites in orbit.
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Earlier in May, the GSLV-F12 successfully deployed the NVS-01 satellite, marking the first of the second-generation satellites designed for the Navigation with Indian Constellation (NavIC) system.
NVS-02
NVS-02 will be the ninth satellite in the navigation with Indian constellation. The launch will have two kinds of payloads: navigational and ranging, just like its predecessor, NVS-01.
The navigational payload will transmit signals to Earth.
It transmits signals by using three spectrum bands: L1, L5, and S.
It includes a Rubidium atomic clock to ensure precise timing. These clocks measure one second by counting the oscillations of rubidium-87 atoms and are accurate enough to maintain time within a one-second deviation over 100 million years.
Also read: ISRO successfully launches PSLV SpaDex: All you need to know about the spacedockingmission
The ranging payload features a transponder that enables navigation satellites to send time-stamped signals to ground-based receivers.
These signals are processed by end-users to determine their exact position, speed and time.
This system ensures continuous and reliable service regardless of Earth's weather conditions.
(With inputs from agencies)