ISRO’s LVM3-M6 Mission successfully placed the Bluebird Block-2 Satellite in Low Earth Orbit (LEO) | Current Affairs | Vision IAS
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    ISRO’s LVM3-M6 Mission successfully placed the Bluebird Block-2 Satellite in Low Earth Orbit (LEO)

    Posted 24 Dec 2025

    2 min read

    Article Summary

    Article Summary

    The mission, ISRO's sixth operational flight, launched the BlueBird Block-2 satellite for AST SpaceMobile, enabling global satellite-based mobile connectivity with advanced features and significant payload capacity.

    LVM3-M6 is the Sixth Operational Flight of LVM3 and the third dedicated commercial mission to launch the BlueBird Block-2 satellite of AST SpaceMobile, USA. 

    • Launched from Satish Dhawan Space Centre, Sriharikota, the mission is a part of commercial agreement between NewSpace India Limited (NSIL) and AST, a US based Company.   
      • Incorporated in 2019, as a wholly owned Government Company under Department of Space, NSIL serves as the commercial arm of ISRO.

    About Blue Bird Block -2 

    • Part of a global LEO constellation: Provides direct-to-mobile connectivity through satellite; Enable 4G and 5G voice and video calls, texts, streaming, and data, etc. 
      •  LEO is an orbit relatively close to Earth’s surface with an altitude around 160-1000 km, useful for satellite imaging and is the site of International Space Station (ISS). 
    • Key Features: 223m² phased array, making it largest commercial communications satellite ever deployed into LEO. 
      • It is also the heaviest payload (6,100 kg) to be launched by LVM3. 

    About ISRO’s LVM3 Launch Vehicle

    • Three Stages: Comprising two solid strap-on motors (S200), a liquid core stage (L110), and a cryogenic upper stage (C25). 
    • Key Features: Lift-off mass of 640 tonnes, payload capability of 4,200 kg to Geosynchronous Transfer Orbit (GTO). 
      • GTO is an elliptical orbit with an altitude around 37,000 km, for transferring spacecraft to geosynchronous (and also geostationary) Earth orbits. 
    • Previous Missions: Chandrayaan-2, Chandrayaan-3, and two OneWeb missions carrying 72 satellites. 
    • Tags :
    • BlueBird Block-2 mission
    • LVM3-M6 rocket
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