ISRO is preparing to launch the BlueBird-6 satellite, which weighs approximately 6.5 tonnes (6,500 kg), making it one of the heaviest commercial satellites to be launched by India.
Here are the key details:
• Satellite: BlueBird-6, a Block 2 communication satellite.
• Owner: AST SpaceMobile, a Texas-based company that is building a space-based cellular broadband network.
• Purpose: The satellite is designed to provide direct-to-device mobile broadband connectivity to standard smartphones, aiming to bring network access to remote and underserved regions.
• Launch Vehicle: ISRO’s heavy-lift rocket, the Launch Vehicle Mark-3 (LVM3), from the Satish Dhawan Space Centre in Sriharikota.
• Launch Window: The launch is currently projected for sometime between November 2025 and the first quarter of 2026.
• Commercial Arm: The mission is being managed by NewSpace India Limited (NSIL), the commercial arm of ISRO.
The satellite arrived in India from the US in October 2025 and is part of AST SpaceMobile’s broader plan to deploy a constellation of these satellites.
The mission, led by AST SpaceMobile, a Texas-based telecom company, is scheduled for launch between November 2025 and the first quarter of 2026. The company aims to provide direct-to-device mobile broadband connectivity, bridging the digital divide in regions with poor terrestrial networks.
The satellite was transported onboard the Antonov, the world’s largest cargo aircraft, originally built in Ukraine. It was flown to Chennai and later transported by road to Sriharikota for integration, fuelling, and pre-launch checks.
Experts said the next-generation communication satellite will be launched on India’s most powerful rocket, marking a key milestone for ISRO’s commercial operations. The launch is being handled by NewSpace India Limited (NSIL), ISRO’s commercial arm, which earns revenue for the government through international launch contracts.
AST SpaceMobile plans to deploy a series of satellites in the coming months, with BlueBird-7 to BlueBird-16 in various stages of production and launches scheduled every 1–2 months between 2025 and 2026. Each satellite is capable of delivering up to 10,000 MHz of bandwidth, the company said.
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