{"id":13,"date":"2012-11-13T18:39:36","date_gmt":"2012-11-13T18:39:36","guid":{"rendered":"http:\/\/sophia.estec.esa.int\/gtoc_portal\/?page_id=13"},"modified":"2016-02-19T19:07:35","modified_gmt":"2016-02-19T18:07:35","slug":"gtoc-1","status":"publish","type":"page","link":"https:\/\/sophia.estec.esa.int\/gtoc_portal\/?page_id=13","title":{"rendered":"GTOC 1 &#8211; Save the Earth"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-425 alignright\" title=\"act_logo\" src=\"http:\/\/sophia.estec.esa.int\/gtoc_portal\/wp-content\/uploads\/2012\/11\/index-150x150.png\" alt=\"Logo of the advanced Concepts Team\" width=\"151\" height=\"151\" \/><\/p>\n<p>This edition was organised by Dario Izzo of the European Space Agency&#8217;s Advanced Concepts Team. The problem statement was released to the community on the 7th November 2005.<\/p>\n<h5>In a nutshell<\/h5>\n<p>An asteroid deflection mission is to be designed. A kinetic impactor equipped with low-thrust engines is to be sent to change the orbit of a target asteroid. The quantity to be optimised is related to the momentum transferred to the asteroid.<\/p>\n<ul>\n<li><a href=\"http:\/\/sophia.estec.esa.int\/gtoc_portal\/wp-content\/uploads\/2012\/11\/gtoc1_registered_teams.pdf\">List of registered teams<\/a><\/li>\n<li><a href=\"http:\/\/sophia.estec.esa.int\/gtoc_portal\/wp-content\/uploads\/2012\/11\/ACT-MEM-MAD-GTOC1-The-Problem_V4.pdf\">Problem Statement<\/a><\/li>\n<li><a href=\"http:\/\/sophia.estec.esa.int\/gtoc_portal\/wp-content\/uploads\/2012\/11\/gtoc1_output_format.txt\">Requested output file format<\/a><\/li>\n<li><a href=\"http:\/\/sophia.estec.esa.int\/gtoc_portal\/wp-content\/uploads\/2012\/11\/ACT-RPT-MAD-GTOC1-ranks.pdf\">Final rankings<\/a><\/li>\n<li><a href=\"http:\/\/www.esa.int\/gsp\/ACT\/mad\/projects\/GTOC1\/gtoc1.html\">Original web site<\/a> (contains all the submitted solutions and presentations)<\/li>\n<\/ul>\n<h5>The Winners<\/h5>\n<p>Led by Anastassios Petropoulos, the team from Jet Propulsion Laboratory (JPL) won this edition with a trajectory using a Saturn fly-by to invert the orbit angular momentum and inject the spacecarft on an hyperbola intersecting the asteroid orbit on a head-on collision.<\/p>\n<h5>Curiosities<\/h5>\n<p>The second ranked trajectory from Deimos Space, a team led by Bello Mora, actually turned out to be able to achieve a higher fitness value, when reoptimized by the JPL team.<\/p>\n<p>The winning trajectory from JPL is the trajectory depicted in the GTOC trophy.<\/p>\n<p>The trajectory problem was\u00a0inspired by the <a href=\"http:\/\/www.esa.int\/SPECIALS\/NEO\/SEMZRZNVGJE_0.html\">Don Quijote\u00a0mission<\/a> of the European Space Agency<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This edition was organised by Dario Izzo of the European Space Agency&#8217;s Advanced Concepts Team. The problem statement was released to the community on the 7th November 2005. In a nutshell An asteroid deflection mission is to be designed. A kinetic impactor equipped with low-thrust engines is to be sent to change the orbit of &hellip; <a href=\"https:\/\/sophia.estec.esa.int\/gtoc_portal\/?page_id=13\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">GTOC 1 &#8211; Save the Earth<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-13","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/sophia.estec.esa.int\/gtoc_portal\/index.php?rest_route=\/wp\/v2\/pages\/13","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sophia.estec.esa.int\/gtoc_portal\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sophia.estec.esa.int\/gtoc_portal\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sophia.estec.esa.int\/gtoc_portal\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sophia.estec.esa.int\/gtoc_portal\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=13"}],"version-history":[{"count":28,"href":"https:\/\/sophia.estec.esa.int\/gtoc_portal\/index.php?rest_route=\/wp\/v2\/pages\/13\/revisions"}],"predecessor-version":[{"id":790,"href":"https:\/\/sophia.estec.esa.int\/gtoc_portal\/index.php?rest_route=\/wp\/v2\/pages\/13\/revisions\/790"}],"wp:attachment":[{"href":"https:\/\/sophia.estec.esa.int\/gtoc_portal\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}