Context:
ISRO’s PSLV-C62 mission failed after a third-stage anomaly, resulting in the loss of the EOS-N1 Earth Observation Satellite and 15 co-passenger satellites. The launch took place from the Satish Dhawan Space Centre, Sriharikota, at 10:18 a.m. This marks the second consecutive PSLV failure, following the EOS-09 mission failure (May 18, 2025).
Key Highlights:
- Mission Details
- Launch Vehicle: PSLV (Polar Satellite Launch Vehicle)
- Payload: EOS-N1 (strategic Earth observation satellite) + 15 co-passenger satellites
- Failure occurred during the third stage due to disturbance in vehicle roll rates, causing deviation from the intended flight path.
- Technical Insights
- Initial stages performed normally.
- The third stage (solid propulsion stage) anomaly led to mission failure.
- PSLV is regarded as ISRO’s “workhorse” launch vehicle, widely used for polar and Sun-synchronous orbits.
- Financial & Commercial Aspects
- EOS-N1 cost borne by the Government of India (strategic satellite; no commercial insurance).
- Private co-passenger satellites likely covered by launch insurance policies.
- NewSpace India Limited (NSIL) may provide re-flight guarantees or launch fee refunds.
- Possible budgetary implications for agencies like DRDO if additional funding is required.
- Institutional Stakeholders
- ISRO
- DRDO
- NSIL
- Private space enterprises
Relevant Prelims Points:
- PSLV
- Expendable medium-lift launch vehicle.
- Four-stage rocket: alternating solid and liquid propulsion stages.
- Used for Sun-Synchronous Orbit (SSO), Polar Orbit, and interplanetary missions (e.g., Mars Orbiter Mission).
- EOS (Earth Observation Satellites)
- Used for remote sensing, border surveillance, agriculture monitoring, disaster management, urban planning, and strategic reconnaissance.
- NSIL
- Commercial arm of ISRO.
- Responsible for commercial launches, satellite services, and technology transfer.
- Consecutive failures may trigger:
- Failure Analysis Committee (FAC) review.
- Reassessment of quality control and mission assurance protocols.
Relevant Mains Points:
- Strategic Implications
- EOS-N1 was reportedly built for strategic surveillance purposes, impacting national security capabilities.
- Temporary setback to India’s space-based reconnaissance infrastructure.
- Economic and Commercial Impact
- Affects confidence in India’s commercial launch services market.
- Insurance frameworks play a critical role in risk mitigation for private players.
- Highlights need for robust mission assurance systems amid rising private participation.
- Space Sector Reforms Context
- Increasing role of private players post space sector reforms.
- Importance of regulatory oversight, reliability, and global competitiveness.
- Technological Lessons
- Need for enhanced real-time telemetry monitoring.
- Strengthening redundancy mechanisms.
- Capacity building in advanced propulsion systems.
- Way Forward
- Transparent investigation and quick corrective action.
- Strengthening third-stage propulsion reliability.
- Improving mission redundancy and fail-safe systems.
- Enhancing public-private coordination in risk-sharing.
- Maintaining India’s credibility in the global launch market.
UPSC Relevance:
GS 3 – Science & Technology (Space Technology, Applications), Internal Security (Strategic Surveillance), Economy (Commercial Space Sector)