ISRO Mission: ISRO is once again preparing to launch a satellite with the rocket LVM3 (Rocket LVM3), which successfully delivered Chandrayaan-3 to the moon. The country’s heaviest satellite CMS-03 will be launched on November 2. Its weight is 4400 kg. This is a satellite built for the Indian Navy. It will keep an eye on India’s maritime areas.

CMS-03 (Communication Satellite-03) is a multi-band communications satellite, also known as GSAT-7R or GSAT-N2. It has been built for the Indian Navy (funded by the Defense Ministry), which will provide secure communications in maritime areas. Weighing 4,400 kg, this satellite will be the heaviest communication satellite to be launched from India in GTO.

This rocket works in different stages during flight. The boosters burn in the first two minutes. Then core stage. Finally the upper stage releases the satellite into the correct orbit. The entire flight takes 20-25 minutes. Now the Indian Space Research Organization will launch the CMS-03 communication satellite with its powerful LVM3 rocket. This will be the 5th operational flight of LVM3 (LVM3-M5). CMS-03 will be India’s heaviest communications satellite to date. Whose weight is approximately 4,400 kg.

LVM3 rocket: India’s ‘Baahubali’ launch vehicle

LVM3 (Launch Vehicle Mark-3) is ISRO’s most powerful rocket, which is also called ‘Baahubali’. It is a three-stage medium-heavy lift rocket, which can send heavy satellites into elliptical Geosynchronous Transfer Orbit (GTO).

Why special: LVM3 is a symbol of India’s indigenous technology. It can send satellites weighing up to 4 tonnes to GTO, which is more than PSLV or GSLV Mk-II. Earlier there was dependence on foreign rockets, but now ISRO launches large satellites itself.

Development: Starting in the 2000s. First successful flight in 2014. 7 successful missions so far.

Previous Mission: LVM3-M4 launches Chandrayaan-3 in July 2023. Vikram Lander made a soft landing on the south pole of the Moon. This made India the fourth country to reach the moon.

Key Specifications of LVM3

• Height: 43.5 meters (14 floors high.)
• Lift-off Weight: 640 tons (800 times the weight of a large elephant)
• Step: 3 (2 Solid Booster + 1 Liquid Core + 1 Cryogenic Upper)
• Booster Engine: S200 (solid fuel, 205 tons HTPB fuel)
• Core Stage: L110 (Liquid Fuel, Vikas Engine)
• Upper Stage: CE-20 (Cryogenic, LOX/LH2 fuel)
• Payload Fairing: 5 meter diameter (cover covering the satellite)
• GTO Payload Capacity: 4 Ton (Easily a heavy satellite like CMS-03.)
• Launch Site: Sriharikota (Satish Dhawan Space Centre)

What will he do? It will work with Ka-band high-throughput (HTS) technology. Will give 70 Gbps (Gigabit per second) speed with 40 beams (signal coverage area). Services over the Indian Ocean, Arabian Sea, Bay of Bengal and Indian soil – such as voice, data, video calls, navigation and military communications.

How long will it work: 14-15 years. Will be installed in GEO (36,000 km altitude), from where the same place will always be visible.

Importance: Real-time connectivity to naval ships, submarines and coast guards. Also help in disaster management, fishing and tourism.

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