World’s First OptoSAR Satellite Mission Drishti Launched | Current Affairs | Vision IAS

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In Summary

  • India's largest privately built Earth Observation satellite, developed by GalaxEye, uses OptoSAR technology combining MSI and SAR for all-weather, day-night imaging in LEO.
  • OptoSAR's SyncFusion Stack addresses limitations of optical sensors (cloud/darkness) and SAR (interpretation difficulty) for enhanced surveillance.
  • Indian space start-ups like Agnikul Cosmos (3-D printed rocket engine), Skyroot (private rocket), and InspeCity (in-orbit servicing) are achieving significant milestones.

In Summary

Developed by Indian Space Start-up GalaxEye, launched aboard SpaceX’s Falcon 9 rocket, it is India's largest privately built Earth Observation satellite

About Mission Drishti

  • Uses OptoSAR: It is the first to combine Multispectral Imaging (MSI) and Synthetic Aperture Radar (SAR) on a single platform. 
  • Orbit: Sun-synchronous Low Earth Orbit (LEO).
    • LEO orbits around Earth at an altitude of about 160 km to 2,000 km.
  • Capability: All-weather, day-night, intuitive imaging capabilities.
    • It will promote space-based surveillance. 
  • Resolution: Highest among Indian private players.

About OptoSAR

  • It is an end-to-end system of hardware and software designed to work in perfect harmony.
  • Technology Used: SyncFusion Stack
  • Addresses Limitations of Earlier Satellites:
    • Optical sensors: Deliver clear, intuitive images, but are limited by clouds and darkness. 
    • SAR: Can see through cloud cover and operate day and night, but imagery is harder to interpret.

Achievements of Indian Space Start-ups

  • Agnikul Cosmos: Built the world’s first 3-D printed rocket engine.
  • Skyroot: Tested India’s first privately built rocket.
  • InspeCity:  Develops satellite life-extension technologies and serves as India’s first fully vertically integrated platform for in-orbit servicing.
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In-orbit servicing

Activities performed on satellites while they are in space, such as refueling, repair, upgrading, or de-orbiting. This technology aims to extend the lifespan and capabilities of space assets.

In-orbit servicing

Activities performed on satellites while they are in space, such as refueling, repair, upgrading, or de-orbiting. This technology aims to extend the lifespan and capabilities of space assets.

Vertically integrated platform

A business model where a company controls multiple stages of production or service delivery, from raw materials to final product. In the context of space, it implies handling design, manufacturing, testing, and launch operations internally.

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