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The <keyword id="517746" type="General" weightage="20" keywordseo="Indian-space-agency" source="Orion">Indian space agency</keyword> on Saturday at 12.07 a.m. began the 24-hour countdown for the launch of its heavy-lift rocket GSLV Mk III - renamed for this mission as LVM3 M2 - carrying 36 'OneWeb' satellites. The 43.5 metre tall and weighing 644 ton LVM3 M2 rocket is scheduled to blast off from the first second pad at India's rocket port in Sriharikota in Andhra Pradesh at 12.07 a.m. on Sunday. "The countdown is in progress smoothly. The gas charging and propellant filling operations of L110 stage are progressing," an Indian Space Research Organisation (<keyword id="6358064" type="General" weightage="20" keywordseo="isro" source="Orion">ISRO</keyword>) official told IANS. During the countdown, the rocket and satellite systems will be checked. The fuel for the rocket will also be filled. Normally the <keyword id="517231" type="General" weightage="20" keywordseo="GSLV-rocket" source="Orion">GSLV rocket</keyword> is used for launching India's geostationary communication satellites. And hence it was named as GeoSynchronous Satellite Launch Vehicle (GSLV). The GSLV MkIII refers to the third generation rocket. As the rocket that will fly on Sunday morning will be orbiting the OneWeb satellites in Low Earth Orbit (LEO), the ISRO has renamed GSLV MkIII as LVM3 (Launch Vehicle MkIII). The rocket, just over 19 minutes into its flight, will sling the 36 small broadband communication satellites of Network Access Associated Ltd (OneWeb) in LEO. OneWeb, is a joint venture between India Bharti Global and the UK government. The satellite company plans to have a constellation of about 650 satellites in low earth orbit (LEO) to offer communication services. The LVM3 M2 is a three stage rocket with the first stage fired with liquid fuel, the two strap on motors powered by solid fuel, the second by liquid fuel and the third is the cryogenic engine. The ISRO's heavy lift rocket has a carrying capacity of 10 ton to the LEO and four ton to the Geo Transfer Orbit (GTO). "The total launch mass of OneWeb satellites will be 5,796 kg," said ISRO. The 36 satellites will be on a dispenser system made by the Swiss based Beyond Gravity, formerly RUAG Space. The Beyond Gravity had earlier provided the satellite dispensers for launching 428 OneWeb satellites to Arianespace. "The dispenser with 36 satellites was supplied by the vendor. It was used in all their earlier launches," the official told IANS. For Beyond Gravity, this is the first time their dispenser is fitted in an Indian rocket. Starting in 1999, ISRO has put into orbit 345 foreign satellites till date. The successful launch of 36 OneWeb satellites will take the tally to 381. Another set of 36 satellites from OneWeb is planned to be put into orbit in January 2023. This launch brings OneWeb's constellation to 462 satellites, more than 70 per cent of the satellites required for OneWeb to reach global coverage. According to ISRO, the OneWeb Constellation operates in a LEO Polar Orbit. The satellites are arranged in 12 rings (Orbital planes) with 49 satellites in each plane. The orbital planes are inclined to be near polar (87.9 Degree) and at 1,200 km above the Earth. Each satellite completes a full trip around the earth every 109 minutes. The earth is rotating underneath satellites, so they will always be flying over new locations on the ground. The constellation will have 648 satellites. NewSpace India Ltd (NSIL), the commercial arm of ISRO, has signed two contracts with Network Access Associated Ltd (OneWeb) for launching the latter's broadband communication satellites in low earth orbit. The board of OneWeb had voted to suspend satellite launches from the Baikonur rocket port in Russia. Meanwhile, the Sunday rocket mission has several firsts for the Indian space sector. It is the first commercial launch of GSLV MkIII and for the first time an Indian rocket will be ferrying a payload of about six tonnes. Similarly, the OneWeb is using an Indian rocket to put its satellites into orbit for the first time. Also, it is the first commercial launch of GSLV MkIII contracted by NSIL, and for the first time a renamed GSLV MkIII is being used for launching satellites in LEO. SEE ALSO: <a target="_blank" class="c-link c-message_attachment__title_link" href="https://www.businessinsider.in/business/ecommerce/online-sales-expected-to-boom-as-more-customers-shop-online-post-pandemic/articleshow/95014390.cms">Online sales expected to boom as more customers shop online post pandemic</a> <a target="_blank" class="c-link c-message_attachment__title_link" href="https://www.businessinsider.in/india/news/diwali-is-becoming-a-global-celebration-and-cementing-indian-identity-globally/articleshow/95014696.cms">Diwali is becoming a global celebration and cementing Indian identity globally</a>

Countdown begins for ISRO's historic rocket launch

<keyword id="6355143" type="General" weightage="20" keywordseo="sriharikota" source="Orion">Sriharikota</keyword> (Andhra Pradesh), Feb 10 (IANS) India's new rocket Small Satellite Launch Vehicle (SSLV-D2) on Friday morning lifted off with an earth observation satellite-07 (EOS-07) weighing 156.3 kg. Piggybacking on that are two other satellites -- 10.2 kg Janus-1 belonging to ANTARIS of the US and 8.7 kg AzaadiSat-2 belonging to <keyword id="4136256" type="General" weightage="20" keywordseo="space-kidz-india" source="Orion">Space Kidz India</keyword>, Chennai. The SSLV-D2 is carrying a total weight of 175.2 kg. The Indian Space Research Organisation (ISRO) has developed <keyword id="6864059" type="General" weightage="20" keywordseo="sslv" source="Orion">SSLV</keyword> with a carrying capacity of 500 kg to the Low Earth Orbit (LEO) based on the market trend of going in for smaller satellites. At about 9.18 a.m. the 34 metre tall and 120 ton expendable rocket costing about Rs 56 crore broke free of the first launch pad and started its upward one way journey. The rocket with a thick orange flame at its tail slowly gathered speed and went up and up. As to the mission's objectives, ISRO said it is to demonstrate the designed payload capability of SSLV in LEO and injection of three satellites -- EOS-07, Janus-1 and AzaadiSAT-2 -- into the 450 km circular orbit. About 13 minutes into its flight, the SSLV rocket will eject EOS-07 and soon after that the other two satellites Janus-1 and AzaadiSAT-2 would be ejected -- all at an altitude of 450 km, said ISRO. With the new rocket in its portfolio, ISRO will have three rockets -- Polar Satellite Launch Vehicle (PSLV) and its variants (cost about Rs 200 crore), Geosynchronous Satellite Launch Vehicle (GSLV-MkII cost about Rs 272 crore and LVM3 Rs 434 crore) and SSLV (Development cost of three rockets about Rs 56 crore each) and production cost may go down later. The SSLV's maiden flight -- SSLV-D1- on August 7, 2022 was a failure as the rocket had put the two satellites -- EOS-01 and AZAADISAT -- in a wrong orbit resulting in their loss. According to ISRO, the onboard sensors of SSLV-D1 were affected due to vibrations during the separation of its second stage. While the rocket's software was able to perform the ejection of the satellites, the ejections were done into a wrong orbit. The satellites also lacked necessary velocity to be on a stable orbit and went into oblivion. (Venkatachari Jagannathan can be reached at v.jagannathan@ians.in) SEE ALSO: <a target="_blank" class="c-link c-message_attachment__title_link" href="https://www.businessinsider.in/business/auto/news/what-does-it-cost-to-find-love-on-a-dating-app-and-is-the-price-worth-it/articleshow/97775287.cms">What does it cost to find love on a dating app, and is the price worth it?</a> <a target="_blank" class="c-link c-message_attachment__title_link" href="https://www.businessinsider.in/sustainability/news/indias-first-solar-powered-electric-vehicle-could-cut-your-daily-transportation-costs-by-one-third/articleshow/97773509.cms">India's first solar-powered electric vehicle could cut your daily transportation costs by one-third!</a>

India's small rocket SSLV-D2 lifts off from Sriharikota with an earth observation satellite

<ul><li><keyword id="7832818" type="UNKNOWN" weightage="20" keywordseo="new-space-india-limited">New Space India Limited</keyword> (NSIL), India's commercial space company, just bagged its first customer — Spaceflight, a space rideshare company based in the US. </li><li>Spaceflight has bought a slot on board the Indian Space Research Organisation's (ISRO) new Small Satellite Launch Vehicle (SSLV). </li><li>But the SSLV has not been unveiled yet and will only embark on its maiden voyage, for the Indian government, later this year. </li></ul>The Indian Space Research Organisation's (ISRO) new commercial arm, New Space India Limited (<a href="https://www.businessinsider.in/union-budget-2019-isros-new-commerical-arm-is-new-space-india-limited/articleshow/70086097.cms">NSIL</a>), just landed its first customer. <a href="https://spaceflight.com/spaceflight-inc-purchases-and-fully-manifests-first-ever-commercial-sslv-mission-from-newspace-india-limited-nsil-the-commercial-arm-of-isro-india/">Spaceflight</a>, an American space rideshare company, just bought a payload slot on the Small Satellite Launch Vehicle (SSLV). <div type="ExtQuote" text="SSLV is perfectly suited for launching multiple microsatellites at a time and it supports multiple orbital drop-offs. It is designed for the launch-on-demand concept with very quick turnaround capability in between launches." auname="Curt Blake, CEO and President of Spaceflight"></div>

 Even though the SSLV is based on the Polar Satellite Launch Vehicle (PSLV) rocket designs, the actual launch vehicle hasn't been unveiled by <a href="https://www.isro.gov.in/update/01-jan-2019/message-chairmans-desk">ISRO</a> yet. SSLV's maiden voyage As compared the PSLV rocket, which can carry 1,100 - 1,600 kilograms, the SSLV can only accommodate 500 kilograms. And, the launch vehicle's first mission into space won't be a commercial launch with Spaceflight's payload on board. ISRO Chairman K. Sivan, told <a href="https://www.thehindu.com/news/national/isros-mini-launcher-sslv-is-unborn-but-has-2-flights-booked/article28859854.ece">The Hindu</a> that first ISRO will first launch a single defence Earth observation spacecraft in Low Earth Orbit (LEO) using the SSLV rocket by the end of the year with the commercial launch scheduled to take place in 2020. The hype around the SSLV rocket is based on the fact that it should only take ISRO around three days to put a launch together as compared to the months of preparation for other launches. NSIL's first customer NSIL might be a new company but Spaceflight is no stranger to using ISRO launch vehicles to get satellites into space. As a 'ridesharing' space company, Spaceflight normally doesn't put its own payloads on board the rockets but arranges for their clients to get their instruments on board. In April 2018, for example, Spaceflight set up 21 small international satellites to launch aboard ISRO's <a href="https://www.businessinsider.in/here-is-a-list-of-isros-biggest-launches-over-the-last-2-years-that-showcase-indias-space-prowess/articleshow/52401289.cms">PSLV C45</a> rocket. It also arranged for BlackSky Global, its subsidiary, to launch the <a href="http://www.spaceflight.com/spaceflight-industries-celebrates-successful-launch-blacksky-pathfinder-satellite-aboard-indias-pslv/">BlackSky Pathfinder-1</a> aboard another PSLV C35 rocket in 2016. Over the years, Spaceflight has completed a total of nine missions with ISRO and send more than 100 spacecrafts into orbit aboard its launch vehicles. Spaceflight has not disclosed the payload for the SSLV but did state that it's a 'US-based satellite constellation customer.' See also: <a href="https://www.businessinsider.in/union-budget-2019-isros-new-commerical-arm-is-new-space-india-limited/articleshow/70086097.cms" style="">India forms a new space company to sell ISRO’s space technology products</a> <a href="https://www.businessinsider.in/isro-to-set-up-own-space-debris-agency-because-norad-data-inaccurate/articleshow/70550082.cms" style="">India doesn't trust US with measuring space debris — and so it will set up its own agency</a>

ISRO’s new company just made its first sale to an American firm to come aboard a rocket that doesn’t exist yet

<keyword id="116095" type="ORGANIZATION" weightage="80" keywordseo="Indian-Space-Research-Organisation">Indian Space Research Organisation</keyword> (ISRO) today successfully launched its heaviest rocket ever—the three-stage Geo-Synchronous <keyword id="6358065" type="PERSON" weightage="80" keywordseo="Satellite">Satellite</keyword> Launch Vehicle Mark III (GSLV Mark-III)—with an experimental crew module. With this, the Indian space agency will now be able to send astronauts to explore deep dark web of outer space. 
 The 630-tonne rocket and human crew module of ISRO were lifted off from the Satish Dhawan Space Centre, Sriharikota exactly at 9:30 am (IST). Few minutes after this, the crew module separated from the rocket at an altitude of 126 km and re-entered Earth's atmosphere (about 80 km from sea level). And then, it descended in a ballistic mode and splashed down into the <keyword id="55869" type="UNKNOWN" weightage="60" keywordseo="Bay-of-Bengal">Bay of Bengal</keyword>, some 180 km from Indira Point, which is the southern tip of the Andaman and Nicobar Islands, reported PTI. 
 
"This was a very significant day in the history of Indian space programme for the development of the advanced launch vehicle that could carry a 4-tonne class of communication satellite into orbit," ISRO chairman K Radhakrishnan said soon after the successful test flight. 
 
This mission has also enhanced India’s capability to be a competitive player in the multi-million dollar commercial launch market. It would envisage multi-mission launch capability for GTO, LEO, Polar and intermediate circular orbits. 
 <keyword id="71" type="POSITION" weightage="80" keywordseo="Prime-Minister">Prime Minister</keyword> <keyword id="171378" type="UNKNOWN" weightage="80" keywordseo="Naredra-Modi">Naredra Modi</keyword> took to Twitter to congratulate all ISRO scientists, “Successful launch of GSLV Mk-III is yet another triumph of brilliance &amp; hardwork of our scientists. Congrats to them for the efforts.” 
 
The total budget of the experimental mission carried out by the Indian space agency was Rs 155 crore, and this includes the cost of crew module as well.

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Countdown begins for ISRO's historic rocket launch

IANS

India's small rocket SSLV-D2 lifts off from Sriharikota with an earth observation satellite

IANS

ISRO’s new company just made its first sale to an American firm to come aboard a rocket that doesn’t exist yet

Prabhjote Gill

ISRO Successfully Test-fires GSLV Mark-III

Gizmodo India Bureau

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