ISRO Successfully Launches BlueBird Block-2 Communication Satellite
Launch Details
According to the Indian Space Research Organization (ISRO), the BlueBird Block-2 communication satellite from AST SpaceMobile, USA, was successfully launched today at 08:55:30 IST. This mission, designated LVM3-M6/BlueBird Block-2, is a dedicated commercial venture utilizing the LVM3 launch vehicle. It marks the sixth operational flight of the LVM3, which will place the BlueBird Block-2 satellite into low Earth orbit (LEO). Notably, this satellite is the largest commercial communication satellite to be deployed in LEO and represents the heaviest payload ever launched by LVM3 from Indian soil.
Significance of the Mission
ISRO has indicated that the BlueBird Block-2 satellite is part of the next generation of communication satellites designed to provide space-based cellular broadband connectivity directly to standard mobile smartphones. The LVM3 launch vehicle is a three-stage rocket featuring two solid strap-on motors (S200), a liquid core stage (L110), and a cryogenic upper stage (C25). It has a lift-off mass of 640 tons, a height of 43.5 meters, and can carry a payload of 4,200 kilograms to geosynchronous transfer orbit (GTO).
Record Payload
Weighing in at 6,100 kilograms, the BlueBird Block-2 communication satellite is the heaviest payload ever placed in LEO by the LVM3, setting a significant milestone. This achievement surpasses the previous record held by the LVM3-M5 mission, which successfully delivered a 4,400-kilogram payload to GTO.
Where to Watch the Launch
Interested viewers can watch the launch live on ISRO's official YouTube channel or through the provided streaming link. The broadcast is set to commence at 08:25 IST.
Strategic Global Partnership
This mission is being conducted under a commercial agreement between ISRO's commercial arm, NewSpace India Limited (NSIL), and AST SpaceMobile, based in the United States.
Pre-Launch Prayers
Prior to the launch, ISRO Chairman Dr. S. Somanath and senior officials offered prayers for the mission's success at the Sri Venkateswara Swamy Temple in Tirumala on December 22.
Understanding the BlueBird Block-2 Mission
The BlueBird Block-2 satellite is designed to provide high-speed cellular broadband directly to standard smartphones worldwide.
Key Features of the Mission
Direct-to-Mobile Connectivity: This satellite is part of a global LEO constellation aimed at delivering 4G and 5G voice, video, text, and data services without the need for specialized ground equipment.
Large Scale: The spacecraft features a phased array antenna measuring 223 square meters, making it the largest commercial communication satellite deployed in LEO (approximately 600 km altitude).
Global Reach: AST SpaceMobile has partnered with over 50 mobile operators worldwide to ensure continuous internet coverage, building on the success of their BlueBird 1-5 satellites launched in September 2024.
Launch Vehicle: LVM3
The LVM3, previously known as GSLV Mk III, is a heavy-lift rocket measuring 43.5 meters in height and featuring a three-stage architecture.
Solid Boosters: Two solid rocket boosters (S200) developed by Vikram Sarabhai Space Centre (VSSC) provide the necessary thrust for lift-off.
Core Stage: A liquid-propellant stage.
Cryogenic Stage: An advanced upper stage developed by ISRO's Liquid Propulsion Systems Centre (LPSC).
The flight sequence is expected to last approximately 15 minutes, after which the BlueBird Block-2 will separate from the launch vehicle and begin its deployment into orbit.