{"id":57269,"date":"2025-07-29T14:39:19","date_gmt":"2025-07-29T09:09:19","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=57269"},"modified":"2025-07-29T14:51:20","modified_gmt":"2025-07-29T09:21:20","slug":"geosynchronous-satellite-launch-vehicle-gslv","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/geosynchronous-satellite-launch-vehicle-gslv\/","title":{"rendered":"Geosynchronous Satellite Launch Vehicle (GSLV)"},"content":{"rendered":"<h2><b>Geosynchronous Satellite Launch Vehicle Latest News<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ahead of the launch of the NASA-ISRO NISAR satellite, the ISRO recently announced that the satellite had been mounted on a geosynchronous satellite launch vehicle (GSLV), and all systems of the rocket had been checked.<\/span><\/p>\n<h2><b>About Geosynchronous Satellite Launch Vehicle<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is a space launch vehicle designed, <\/span><b>developed, and operated by<\/b><span style=\"font-weight: 400;\"> the Indian Space Research Organization<\/span><b> (ISRO) to launch satellites<\/b><span style=\"font-weight: 400;\"> and other space objects <\/span><b>into <a href=\"https:\/\/vajiramandravi.com\/current-affairs\/geostationary-transfer-orbit-gto\/\" target=\"_blank\">Geosynchronous Transfer Orbits (GTOs)<\/a>.\u00a0<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">GSLV has the capability to put a <\/span><b>heavier payload in orbit than<\/b><span style=\"font-weight: 400;\"> the <\/span><b><a href=\"https:\/\/vajiramandravi.com\/current-affairs\/polar-satellite-launch-vehicle-pslv\/\" target=\"_blank\">Polar Satellite Launch Vehicle<\/a> (PSLV).<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">GSLV is 49.13 m tall and the tallest among all other vehicles of ISRO.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is a <\/span><b>three-stage vehicle<\/b><span style=\"font-weight: 400;\"> with a <\/span><b>lift-off mass of 420 tonnes.<\/b>\n<ul>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The first stage comprises S139 solid booster with 138-tonne propellant and four liquid strap-on motors, with 40-tonne propellant.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The second stage is a liquid engine carrying 40-tonne of liquid propellant.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The <\/span><b>third stage <\/b><span style=\"font-weight: 400;\">is the indigenously built <\/span><b>Cryogenic Upper Stage (CUS)<\/b><span style=\"font-weight: 400;\"> carrying 15-tonne of <\/span><b>cryogenic propellants.<\/b><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The GSLV <\/span><b>improves on the performance of the PSLV<\/b><span style=\"font-weight: 400;\"> (Polar Satellite Launch Vehicle) by the <\/span><b>addition of liquid strap-on boosters <\/b><span style=\"font-weight: 400;\">and a <\/span><b>cryogenic upper stage.\u00a0<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The <\/span><b>solid first and liquid second stages<\/b><span style=\"font-weight: 400;\"> are <\/span><b>carried over from the PSLV<\/b><span style=\"font-weight: 400;\">, while the cryogenic upper stage is being supplied by Russia until India has developed an indigenous version.\u00a0<\/span><\/li>\n<\/ul>\n<h2 style=\"text-align: justify;\"><b>Variants of <\/b><b>Geosynchronous Satellite Launch Vehicle<\/b><\/h2>\n<ul>\n<li style=\"text-align: justify;\"><b>GSLV Mk I:<\/b>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">The first-generation GSLV with a <\/span><b>payload capacity of carrying 2-2.5 ton satellites <\/b><span style=\"font-weight: 400;\">to GTO.<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">It used the<\/span><b> Russian-supplied cryogenic upper stage,<\/b><span style=\"font-weight: 400;\"> as it had early difficulty with mastering indigenous cryogenic technology.<\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">It conducted around 5 flights from 2001-2010, including suborbital tests, with the <\/span><b>last launch in 2010.<\/b><\/li>\n<\/ul>\n<\/li>\n<li style=\"text-align: justify;\"><b>GSLV Mk II:<\/b>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">It is an enhanced variant with an <\/span><b>indigenously developed cryogenic upper-stage engine and stage.\u00a0<\/b><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">It is capable of <\/span><b>carrying payloads<\/b><span style=\"font-weight: 400;\"> to GTO <\/span><b>around the 2.5-ton class.<\/b><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-weight: 400;\">The <\/span><b>first successful launch<\/b><span style=\"font-weight: 400;\"> occurred in <\/span><b>2014<\/b><span style=\"font-weight: 400;\">.\u00a0<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"text-align: justify;\"><b>GSLV Mk III: <\/b><span style=\"font-weight: 400;\">The GSLV Mk III, also known as LVM-3, is the <\/span><b>most advanced and powerful<\/b> <b>variant <\/b><span style=\"font-weight: 400;\">in the GSLV series, currently in service with a <\/span><b>payload capacity of up to 4 tons<\/b><span style=\"font-weight: 400;\"> to GTO.<\/span><\/li>\n<\/ul>\n<h2 style=\"text-align: justify;\"><b>Performance of <\/b><b>Geosynchronous Satellite Launch Vehicle<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The GSLV has <\/span><b>launched <\/b><span style=\"font-weight: 400;\">various satellites, including <\/span><b>communication satellites like INSAT and GSAT<\/b><span style=\"font-weight: 400;\">, as well as <\/span><b>spacecraft from the NavIC and IDRSS series, into GTO.<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\">Notable missions include the launch of the <b style=\"font-size: inherit;\">South Asia Satellite in 2017<\/b><span style=\"font-weight: 400;\">, a satellite for military applications in 2018, and the <\/span><b style=\"font-size: inherit;\">Chandrayaan-2<\/b><span style=\"font-weight: 400;\"> moon mission in 2019.<\/span><\/li>\n<\/ul>\n<p><b>Source<\/b><span style=\"font-weight: 400;\">: <\/span><a href=\"https:\/\/www.thehindu.com\/sci-tech\/science\/isro-all-set-to-launch-nisar-satellite-to-study-earth\/article69865499.ece\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">TH<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Geosynchronous Satellite Launch Vehicle s a space launch vehicle developed, and operated by the ISRO to launch satellites and other space objects into Geosynchronous Transfer Orbits (GTOs). Read more about Geosynchronous Satellite Launch Vehicle (GSLV), Stages, Variants, News<\/p>\n","protected":false},"author":23,"featured_media":57278,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[1881,21,22,23],"class_list":{"0":"post-57269","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-geosynchronous-satellite-launch-vehicle","9":"tag-prelims-pointers","10":"tag-upsc-current-affairs","11":"tag-upsc-prelims-current-affairs","12":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/57269","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\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=57269"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/57269\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/57278"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=57269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=57269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=57269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}