ISRO’s EOS-05 Satellite: Enhancing Earth Monitoring

Context

The Indian Space Research Organisation (ISRO) successfully launched EOS-05 (Earth Observation Satellite-05) aboard the GSLV-F17 rocket from Sriharikota. It is the first Indian earth imaging satellite in geosynchronous orbit that will enable India to keep watch on a large area frequently from space.

About EOS-05

• EOS-05 is an advanced earth observation satellite built by ISRO.
• It weighs around 2,367 kg and is built on ISRO’s I-2K spacecraft platform.
• It was launched by GSLV-F17, the 19th flight of the GSLV programme.
• The satellite was initially launched into a Sub-Geosynchronous Transfer Orbit (Sub-GTO).
• It will move itself to its final operational altitude.
• It will be placed on its end-of-life orbit 36,000 km above Earth.

Why is the EOS-05 Special?

• Most Earth observation satellites operate in Low Earth Orbit (LEO).
• Such satellites pass over a particular area only at certain intervals.
• The EOS-05 is in geosynchronous orbit and can regularly view the same large area.
• This gives a ‘steady gaze’ on India and its neighbouring countries.
• It is especially useful for monitoring events that change rapidly, such as cyclones, floods and forest fires.

Key Technologies

• 700-mm Telescope: Supports detailed images of the Earth’s surface.
• Hyperspectral Sensors: Help identify crops, vegetation, minerals, water bodies and changes in land use.
• Thermal Imaging Sensor: Enables observation during both day and night.
• These instruments allow the satellite to collect different types of information about the Earth’s surface and environment.

Major Applications of EOS-05

1. Disaster Management

• • Assists to track cyclones, floods, forest fires and landslides.
  • Enables quicker early warning and disaster response.

2. Agriculture and Natural Resources

• • Manages crops, forest and natural resources
  • Enables improved crop evaluation and resource management.

3. Weather and Environment

• • Monitors changes in weather, plant and forest cover.
  • Improves environmental and climatic monitoring.

4. National Security

• • Supports the monitoring of borders and coasts.
  • Improves India’s strategic situational awareness.

Significance for India’s Space Programme

• Restoring confidence to GSLV: The mission is critical to the GSLV programme, which in the past has suffered from reliability problems. It comes as a commendation following a tough batch, in which three out of the six ISRO missions between 2025 and 26 have failed to launch their satellites into their intended orbits.
• Strengthening Space-Based Governance: EOS-05 focuses on how space infrastructure is being more and more leveraged for governance, agriculture, climate resilience, disaster preparedness and national security, not just scientific exploration.
• Increased Industry Participation: The mission also showcases increasing co-operation between ISRO, industry and academia. Increased involvement of the private sector in the development of downstream services can empower India to translate satellite information into useful data for governments, enterprises and people.

Way Forward

India has to shift its focus towards:

• Accessing EOS-05 data quickly to researchers and disaster management agencies.
• Incorporating satellite data with the NDMA, IMD and other government organizations.
• AI and data analytics and turning satellite pictures into early warnings and information that can be acted upon.
• Increase in cooperation between ISRO, private sector and universities/institutes for research.

Source: The Hindu

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