ISRO'S Rocket LVM3-M2 successfully launched 36 satellites into orbit

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  LVM3-M2 successfully launched 36 satellites into orbit  


The Indian Space Research Organization (ISRO) launched a constellation of 36 broadband satellites developed by OneWeb into low-Earth orbit on October 23, Sunday. ISRO confirmed that the LVM3-M2/OneWeb India-1 mission successfully delivered 36 satellites into planned orbits.

The satellites were launched onboard the Mark III launch vehicle, which carries a redesigned version of the Geosynchronous Launch Vehicle (GSLV) Mk -III is ), from the Satish Dhawan Space Center in Sriharikota. The start took place at 12:07am. Although GSLV LVM 3 has a payload capacity of 10 tons, the rocket launched at 6 tons.

This is the first commercial launch of LVM-3 and the mission is being conducted under an agreement between OneWeb and New Space India Limited (NSIL).

The only reason to change the vehicle name from GSLV to LVM is that the rocket will not place the satellites in geosynchronous orbit. OneWeb satellites operate in Low Earth Orbit (LEO) at an altitude of 1,200 kilometers.The geostationary orbit, on the other hand, is 35,786 kilometers above the earth's equator.

OneWeb Chairman Sunil Bharti Mittal said: “OneWeb required six launches which were delayed due to the geopolitical situation between Ukraine and Russia. India has been very supportive.”We introduced two priority releases and moved some other missions up and down.

The satellites are part of OneWeb's 468-satellite constellation, which was launched into orbit from Leo to deliver Internet access in areas that are impossible to deliver. OneWeb had signed a contract worth over Rs 1000 crore for the launch and another GSLV launch is scheduled to carry the OneWeb payload in January 2023.

The GSLV-Mk-III was configured to deploy the satellites at LEO with two fixed belt drives and one liquid core stage integrated into the second launch pad.”

ISRO's LVM3 rocket will carry 36 satellites from a private aircraft operated by communications company OneWeb. A 24-hour countdown to launch has begun. LVM3 will launch another set of 36 OneWeb satellites in the first half of next year," scientist S Somanath, chairman of ISRO, told ANI.

By calling the launch of LVM-3 a historic mission, ISRO Chairman Dr. S. Somanath, this was made possible thanks to Prime Minister Modi's support as he wanted to bring LVM-3 to the commercial market.

"It's a historic mission...It was made possible with the support of Prime Minister Modi when he wanted LVM3 to enter the commercial market with NSIL at the helm to get our launchers up and running and explore and expand the commercial space Dr S. Somanath was quoted as saying by ANI.

He also added: “We have already started the (Diwali) celebration… 16 of the 36 satellites have successfully and safely separated and the remaining 20 satellites will be separated. Data will arrive slightly later and observation operations are complete. The LVM3-M2 mission would give the space agency a boost with the new launch vehicle for placing satellites in low Earth orbit, together with its reliable Polar Satellite Launch Vehicle (PSLV).

LVM3-M2 is a three-stage launch vehicle consisting of two solid propellant S200 side mounts and a core stage containing an L110 liquid stage and a C25 cryogenic stage. OneWeb Ltd is NSIL's UK-based customer and a global communications network operated from space, enabling internet connectivity for governments and businesses.

LVM3-M2 Mission

Mission LVM3-M2 is a special trade mission for a foreign OneWeb customer by NSIL. It is the first multi-satellite mission with 36 OneWeb satellites to LEO as the heaviest payload mass of LVM3 to date at 5796 kg.

Features of the mission

  • First commercial LVM3 mission
  • First multisatellite mission with 36 OneWeb satellites on board
  • First launch of LVM3 to LEO
  • First Indian six-ton ​​payload rocket
  • First NSIL mission with LVM3
  • First OneWeb Mission with NSIL/DoS

Highlights

  • Handling of multiple satellite separation events
  • Longer nominal mission duration
  • Guaranteed safe separation through C25 stage realignment and velocity addition
  • Guaranteed data availability throughout the duration of the mission
  • Manufacture of a new payload adapter and interface ring for the satellite dispenser


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