ISRO’S NVS-02 SATELLITE ORBIT RAISING CHALLENGES

PRELIMS BITS

1. Introduction
   • Overview of the NVS-02 satellite and its significance in ISRO’s space missions.
   • Launch date and milestone: 100th ISRO launch.
2. Launch Details
   • Launch site: Sriharikota.
   • Satellite series: Part of the Navigation with Indian Constellation (NVS) series.
   • Launch execution: High precision, vehicle stages performed flawlessly.
   • Orbit insertion: Successfully placed in Geosynchronous Transfer Orbit (GTO).
3. Current Status
   • Satellite condition: In an elliptical orbit.
   • Operational status: Systems are healthy, communication with ground stations is established.
   • Power generation: Solar panels deployed and functioning.
4. Technical Glitch
   • Problem encountered: Valve malfunction preventing orbit-raising maneuvers.
   • Importance of the malfunctioning valves: Preventing oxidizer flow for thruster activation.
5. Alternate Mission Strategies
   • ISRO’s plans: Working on alternative strategies to utilize the satellite in its elliptical orbit.
   • Possible adjustments: Modifying operational parameters to ensure navigation services continue.
6. Capabilities of NVS-02
   • Navigation payloads: Operating in L1, L5, and S bands.
   • Ranging payload: C-band.
   • Clock technology: Combination of indigenous and procured atomic clocks for time accuracy.