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GeneralSource: The Hindu

Assam Becomes First Indian State to Tender Earth-Observation Satellites

Thursday, 26 March 2026
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Key Points

Assam has become the first Indian state to tender for earth-observation satellites, marking a significant advancement in disaster management and border security. This initiative is crucial for UPSC aspirants, particularly for GS Paper 3, which covers technology and disaster management. Last Updated: 26-03-2026

Key Facts About AssamSAT

  • Assam is the first Indian state to float a tender for earth-observation satellites.
  • The initiative aims to enhance disaster response and border security.
  • Private companies are invited to design, build, launch, and operate at least five satellites in Low-Earth Orbit (LEO).
  • Satellites will be equipped with Synthetic Aperture Radars (SAR) to penetrate clouds and darkness.
  • Current satellite data acquisition involves requests to the National Remote Sensing Centre.
  • LEO satellites travel at approximately 7.8 km/s and complete an orbit in 90 to 120 minutes.

India's Technological Advancements in Space

The launch of AssamSAT signifies India's growing capabilities in space technology, aligning with national goals of enhancing disaster management and security. With the ability to provide high-resolution imaging and real-time communication, LEO satellites are pivotal in achieving strategic objectives. India's commitment to leveraging space technology places it among leading nations in satellite innovation and application.

UPSC Relevance

  • GS Paper 3: Technology, Economic Development, Disaster Management.
  • Prelims: Questions on LEO characteristics, SAR technology, and Assam's initiative.
  • Mains: Essays on technological advancements in disaster management and security.

FAQ Section

  • What is AssamSAT? AssamSAT is a group of earth-observation satellites tendered by Assam to improve disaster management and border security.
  • Why is AssamSAT important? It represents a significant technological advancement for Assam, enhancing its ability to manage disasters and secure borders effectively.
  • What are the key features of LEO satellites? LEO satellites offer high-resolution imaging, low latency, and are capable of orbiting the Earth approximately 14 to 16 times a day, making them ideal for real-time applications.

Detailed Coverage

  • Assam is the first Indian state to float a tender for earth-observation satellites.
  • The initiative is named AssamSAT.
  • Aims to enhance disaster response capabilities.
  • Focuses on securing international borders.
  • Private companies will design, build, launch, and operate at least five satellites.
  • Satellites will be in Low-Earth Orbit (LEO).
  • Equipped with Synthetic Aperture Radars (SAR) to penetrate clouds.
  • Current data acquisition involves state agencies submitting requests to the National Remote Sensing Centre.
  • LEO is between 160 km and 2,000 km from Earth's surface.
  • LEO satellites travel at approximately 7.8 km/s.
  • A typical LEO satellite completes an orbit in 90 to 120 minutes.
  • LEO allows for high-resolution imaging.
  • LEO provides low latency for real-time communication.
  • Examples of LEO satellites include the International Space Station and Starlink.
  • Assam's initiative is a significant step for disaster management and border security.
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Practice Questions

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In the context of Assam's tender for earth-observation satellites, how does the use of Synthetic Aperture Radar (SAR) technology specifically address the challenges posed by the region's climate?