{"id":34107,"date":"2023-03-27T12:00:35","date_gmt":"2023-03-27T06:30:35","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=34107"},"modified":"2025-04-20T09:00:27","modified_gmt":"2025-04-20T03:30:27","slug":"gslv-mk3lvm3-isros-launch-vehicle","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/gslv-mk3lvm3-isros-launch-vehicle\/","title":{"rendered":"GSLV-Mk3\/LVM3: ISRO\u2019s Launch Vehicle"},"content":{"rendered":"<h3><strong>What\u2019s in today\u2019s article?<\/strong><\/h3>\n<ul>\n<li><strong>Why in News?<\/strong><\/li>\n<li><strong>What is the Geosynchronous Satellite Launch Vehicle (GSLV)?<\/strong><\/li>\n<li><strong>What is the GSLV MKIII?<\/strong><\/li>\n<li><strong>What Exactly is the LVM3 Mission?<\/strong><\/li>\n<li><strong>What are ISRO&#8217;s Future Endeavours?<\/strong><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><strong>Why in News?<\/strong><\/h2>\n<ul>\n<li>Indian Space Research Organisation\u2019s (ISRO) GSLV-Mk3\/LVM3 successfully put into space <strong>36 satellites of Bharti-backed OneWeb<\/strong> enabling the completion of the UK firm\u2019s first generation (Gen-1) Low Earth Orbit (LEO) constellation.<\/li>\n<li>The mission was the <strong>second (1st &#8211; GSAT-24) dedicated commercial satellite mission<\/strong> undertaken by Space PSU NewSpace India Limited (NSIL) for Network Access Associates Ltd (OneWeb).<\/li>\n<\/ul>\n<p><strong>\u00a0<\/strong><\/p>\n<h2><strong>What is the Geosynchronous Satellite Launch Vehicle (GSLV)?<\/strong><\/h2>\n<ul>\n<li>It is a (49 meters tall) is a 3-stage <strong>space launch vehicle<\/strong> <u>designed, developed and operated by the ISRO<\/u><strong> to launch satellites and other space objects into Geosynchronous Transfer Orbits <\/strong>(GTO ~37,000 km).\n<ul>\n<li>The 1st stage (S139) <strong>generates maximum thrust.<\/strong><\/li>\n<li>The 2nd stage uses a <strong>liquid <\/strong>rocket engine which is known as <u>Vikas engine<\/u>.<\/li>\n<li>The 3rd stage uses a <strong>Cryogenic engine<\/strong>, which uses liquefied oxygen and hydrogen as fuel.<\/li>\n<\/ul>\n<\/li>\n<li>GSLV has the capability to put <strong>a heavier payload<\/strong> (up to 5,000 kg up to 37,000 km) in orbit than the Polar Satellite Launch Vehicle (PSLV can carry up to 2000 kg into space up to 600-900 km).\n<ul>\n<li>PSLV is designed mainly to deliver earth observation or remote sensing satellites, whereas GSLV has been designed for launching <strong>communication satellites<\/strong>.<\/li>\n<li>GSLV delivers satellites into a<strong> higher elliptical orbit<\/strong> &#8211; GTO.<\/li>\n<\/ul>\n<\/li>\n<li><strong>GSLV-D5<\/strong> &#8211; launched in 2014 &#8211; was the first successful flight of the GSLV using the indigenous cryogenic engine (CE-7.5).<\/li>\n<li>The current configuration of GSLV with a CE-7.5 cryogenic engine, can put a payload of up to &#8211;\u00a0\n<ul>\n<li>2500 kg in the GTO<\/li>\n<li>5000 kg in Low Earth Orbits (LEO &#8211; altitude 2000 km or less)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<figure class=\"media\">\n<div data-oembed-url=\"https:\/\/www.youtube.com\/watch?v=crhwE71JARw\">\n<div><iframe src=\"https:\/\/www.youtube.com\/embed\/crhwE71JARw\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<\/div>\n<\/figure>\n<p>&nbsp;<\/p>\n<h2><strong>What is the GSLV MKIII?<\/strong><\/h2>\n<ul>\n<li>GSLV MKIII Project was approved in <strong>2002<\/strong>, with a mandate of achieving the capability to launch a 4-ton (4000 kg) class satellite to Geo-Synchronous orbit, by realizing an indigenously developed launch vehicle.<\/li>\n<li>GSLV MKIII (43.5 m height and a gross lift-off weight of 640 tonnes) is configured as<strong> a three-stage vehicle<\/strong> with two solid strap-on motors (S200), one liquid core stage (L110) and a high thrust CUS (configured with the fully indigenous cryogenic engine &#8211; CE20).<\/li>\n<li><strong>Characteristics of GSLV MkIII:<\/strong>\n<ul>\n<li>Performance capability of 4.3 ton to GTO<\/li>\n<li>Payload capability to support 10 ton to LEO missions<\/li>\n<li>Cost effective<\/li>\n<li>Improved reliability, operability and redundancy management<\/li>\n<li><strong>Future growth potential of payload with minimal design changes<\/strong><\/li>\n<li>To support manned missions (like Gaganyaan mission) of Indian Space Programme<\/li>\n<\/ul>\n<\/li>\n<li>The maiden operational flight of GSLV MKIII has successfully launched <strong>Chandrayaan-2 spacecraft <\/strong>into the Super Geo-Synchronous Transfer Orbit in 2019.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><strong>What Exactly is the LVM3 Mission?<\/strong><\/h2>\n<ul>\n<li>NSIL &#8211; a central public sector enterprise (CPSE) under the Department of Space and the commercial arm of the ISRO, has signed two launch service contracts with M\/s OneWeb, <strong>United Kingdom.<\/strong>\n<ul>\n<li><strong>OneWeb <\/strong>is a (Bharti group-backed) global communications network, powered from space, enabling connectivity for governments, businesses, and communities.<\/li>\n<\/ul>\n<\/li>\n<li>As part of this contract,<strong> 36 communication satellites<\/strong> were placed into orbit by LVM3 &#8211; ISRO\u2019s heaviest launcher, from Satish Dhawan Space Centre, under the <strong>OneWeb India-1 Mission<\/strong>.<\/li>\n<li>This is the <strong>first <\/strong>LVM3 dedicated commercial launch (earning the agency upwards of Rs 1,000 crore) and through this launch LVM3 is making its entry into the <strong>Global commercial launch service market.<\/strong><\/li>\n<li>This is the <strong>second flight<\/strong> of the GSLV MKIII, since it carried India\u2019s second lunar mission Chandrayaan-2.<\/li>\n<li><strong>The OneWeb has set a significant benchmark<\/strong> for the Indian space industry in downstream application of satellite communication in India.<\/li>\n<li>It will pave the way for India <strong>to move towards benefiting from remarkable capabilities of LEO connectivity<\/strong> and the spread of <strong>space-based internet<\/strong>, bridging the digital divide in the country&#8217;s most remote areas.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><strong>What are ISRO&#8217;s Future Endeavours?<\/strong><\/h2>\n<ul>\n<li>The space agency is looking at a PSLV commercial mission, GSLV-Mk3 (for <strong>Chandrayaan-3<\/strong>) mission and a GSLV-Mk2 mission (for <strong>Nisar<\/strong>) in the coming months.<\/li>\n<li>The LVM3 mission has also given ISRO more confidence about the rocket which will be used for <strong>Gaganyaan mission <\/strong>(Human Spaceflight Programme).<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr \/>\n<h3><strong>Q1) What is Chandrayaan-3 mission?<\/strong><\/h3>\n<p>Chandrayaan-3 is India&#8217;s third moon mission and is a follow-on mission to Chandrayaan-2 to demonstrate end-to-end capability in safe landing and roving on the lunar surface. The mission is slated to be launched later this year by Launch Vehicle Mark 3 (LMV3) from the Satish Dhawan Space Centre at Sriharikota.<\/p>\n<p>&nbsp;<\/p>\n<h3><strong>Q2) What is Gaganyaan mission?<\/strong><\/h3>\n<p>Gaganyaan project envisages demonstration of human spaceflight capability by launching a crew of 3 members to an orbit of 400 km for a 3 days mission and bring them back safely to earth, by landing in Indian sea waters.<\/p>\n<p>&nbsp;<\/p>\n<hr \/>\n<p><strong>Source:<\/strong>\u00a0<a href=\"https:\/\/timesofindia.indiatimes.com\/india\/lvm-3-puts-36-oneweb-satellites-in-orbit-firm-completes-leo-constellation\/articleshowprint\/99005133.cms?val=3728\" target=\"_blank\" rel=\"nofollow noopener\"><u>ISRO successfully launches 36 satellites, completing OneWeb constellation<\/u><\/a>\u00a0|\u00a0<a href=\"https:\/\/indianexpress.com\/article\/explained\/explained-sci-tech\/with-oneweb-isro-firms-up-reputation-in-commercial-launches-8520510\/\" target=\"_blank\" rel=\"nofollow noopener\"><u>IE<\/u><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>36 communication satellites were placed into orbit by LVM3 &#8211; ISRO\u2019s heaviest launcher, from Satish Dhawan Space Centre, under the OneWeb India Mission<\/p>\n","protected":false},"author":5,"featured_media":34108,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[18],"tags":[],"class_list":{"0":"post-34107","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-mains-current-affairs","8":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/34107","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=34107"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/34107\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/34108"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=34107"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=34107"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=34107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}