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Artemis II: turning Orion on – Orion blog
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widget-toggle-on"><i class="material-icons">turned_in_not</i></button></li> <li><button class="toggle-button search-toggle-on"><i class="material-icons">search</i></button></li> </ul> <div class="branding"> <a href="https://blogs.esa.int/orion" alt="Home"><img alt="ESA" src="https://blogs.esa.int/orion/wp-content/themes/esablogs2/img/ESA_Logo.svg"></a> </div> </div> <article id="post-13162" class="post-13162 post type-post status-publish format-standard has-post-thumbnail hentry category-artemis-ii category-european-service-module-2-2 category-moon-2 category-orion-2"> <section class="post-cover bg-cover display-table" style="background-image:url('https://blogs.esa.int/orion/files/2023/11/NASA-Orion-IPO-e1699345675655.png');"> <div class="dimmed display-cell text-middle"> <div class="container"> <h1 class="post-title">Artemis II: turning Orion on</h1> </div> </div> </section> <section class="post-wrapper"> <div class="post-main clearfix"> <ul class="post-meta-mini"> <li class="post-meta meta-date"> <i class="material-icons md-24">access_time</i> 06/11/2023 </li> <li class="post-meta meta-comments"> <i class="material-icons md-24">chat_bubble_outline</i> 0 comments </li> </ul> <div class="post-content"> <p><strong>Today was the Initial Power-On (IPO) of the Orion vehicle destined for Artemis II, which will bring humans around the Moon and back for the first time in over 50 years.</strong></p> <p>In our last update, <a href="https://blogs.esa.int/orion/2023/10/24/artemis-ii-almost-complete/">Orion’s crew and service modules were connected</a>; today, the vehicle was powered up to make sure the modules are working together as they should. This means ensuring that the crew and service modules are communicating correctly with each other, and that the power from the European Service Module (ESM) is distributed correctly to the crew module.</p> <p>The IPO itself only takes a few hours: “The power-on process is very quick; it’s not so different from connecting all the appliances in your apartment and then switching on the light to make sure it works,” says Dominique Siruguet, ESM assembly integration and verification engineer at ESA.</p> <div id="attachment_13152" style="width: 360px" class="wp-caption alignnone"><img fetchpriority="high" decoding="async" aria-describedby="caption-attachment-13152" class="size-medium wp-image-13152" src="https://blogs.esa.int/orion/files/2023/10/IMG_5409_reduced_size_CC-350x233.jpg" alt="The crew module being stacked over the service module (including the European Service Module) below it" width="350" height="233" srcset="https://blogs.esa.int/orion/files/2023/10/IMG_5409_reduced_size_CC-350x233.jpg 350w, https://blogs.esa.int/orion/files/2023/10/IMG_5409_reduced_size_CC-1024x683.jpg 1024w, https://blogs.esa.int/orion/files/2023/10/IMG_5409_reduced_size_CC-300x200.jpg 300w, https://blogs.esa.int/orion/files/2023/10/IMG_5409_reduced_size_CC-768x512.jpg 768w, https://blogs.esa.int/orion/files/2023/10/IMG_5409_reduced_size_CC-1536x1024.jpg 1536w, https://blogs.esa.int/orion/files/2023/10/IMG_5409_reduced_size_CC-2048x1365.jpg 2048w" sizes="(max-width: 350px) 100vw, 350px" /><p id="caption-attachment-13152" class="wp-caption-text">The cone-shaped crew module being stacked over the service module below it at Kennedy Space Center.<br />Credits: NASA</p></div> <p><strong>What’s next?</strong></p> <p>Now that the IPO was successful, Orion teams will test the vehicle over the coming weeks in many ways to confirm all subsystems are functioning correctly; for example, the ability of the service module to transfer power from the solar arrays to the crew module, as well as the capacity of the service module to switch to redundant units in case of contingencies.</p> <p>An important upcoming test is the “closed-loop mission test”, a sort of dress rehearsal of Artemis II. “During a closed-loop mission test, we simulate the full mission scenario, mimicking the conditions of all the different mission phases from pre-launch, to launch and separation, and all the way back to Orion’s return to Earth,” explains Dominique.</p> <p>“It is the first time this kind of test is being performed for the service module. The IPO will take about one or two weeks; we inject the parameters of the different mission phases into the service module and check that all navigation, propulsion and other subsystems are reacting correctly to maintain the mission course,” adds Dominique.</p> <p>Stay tuned to read about the next Artemis II milestones, including testing Orion in the same vacuum altitude chamber used during the testing of the Apollo missions!</p> <div id="attachment_13164" style="width: 360px" class="wp-caption alignnone"><img decoding="async" aria-describedby="caption-attachment-13164" class="size-medium wp-image-13164" src="https://blogs.esa.int/orion/files/2023/11/Vacuum-altitude-chamber-Apollo-350x282.jpg" alt="Apollo 1 crewmembers in 1966 in the same altitude chamber that Orion will soon be tested in at the Neil Armstrong Operations & Checkout Building in NASA's Kennedy Space Centre. Credits: NASA" width="350" height="282" srcset="https://blogs.esa.int/orion/files/2023/11/Vacuum-altitude-chamber-Apollo-350x282.jpg 350w, https://blogs.esa.int/orion/files/2023/11/Vacuum-altitude-chamber-Apollo-1024x825.jpg 1024w, https://blogs.esa.int/orion/files/2023/11/Vacuum-altitude-chamber-Apollo-248x200.jpg 248w, https://blogs.esa.int/orion/files/2023/11/Vacuum-altitude-chamber-Apollo-768x619.jpg 768w, https://blogs.esa.int/orion/files/2023/11/Vacuum-altitude-chamber-Apollo-1536x1238.jpg 1536w, https://blogs.esa.int/orion/files/2023/11/Vacuum-altitude-chamber-Apollo-2048x1650.jpg 2048w" sizes="(max-width: 350px) 100vw, 350px" /><p id="caption-attachment-13164" class="wp-caption-text">Apollo 1 crewmembers in 1966 in the same altitude chamber that Orion will soon be tested in at the Neil Armstrong Operations & Checkout Building in NASA’s Kennedy Space Centre.<br />Credits: NASA</p></div> <p><em>The European Service Module is part of ESA’s </em><a href="https://www.esa.int/Science_Exploration/Human_and_Robotic_Exploration/Exploration/Terrae_Novae_Europe_s_exploration_vision"><em>Terrae Novae exploration programme</em></a><em> leading Europe’s human journey into the Solar system. </em></p> </div> <div class="post-sidebar"> <div class="post-meta author-bio"> <img alt='' src='https://secure.gravatar.com/avatar/960aab8f1f455923f10d2f042bdfe729?s=200&r=g' srcset='https://secure.gravatar.com/avatar/960aab8f1f455923f10d2f042bdfe729?s=400&r=g 2x' class='avatar avatar-200 photo' height='200' width='200' decoding='async'/> <div class="author-info"> <p class="author-title">Written by<br><span>Marie Deschamps</span></p> <p class="author-description"></p> <ul class="author-icons list-inline"> </ul> </div> </div> <div class="post-meta meta-date"> <i class="material-icons md-24">access_time</i> 6 November 2023 </div> <div class="post-meta meta-comments"> <i class="material-icons md-24">chat_bubble_outline</i> 0 comments </div> <div class="post-meta meta-category"> <i class="material-icons md-24">format_list_bulleted</i> <ul class="post-categories"> <li><a href="https://blogs.esa.int/orion/category/artemis-ii/" rel="category tag">Artemis II</a></li> <li><a href="https://blogs.esa.int/orion/category/european-service-module-2-2/" rel="category tag">European Service Module 2</a></li> <li><a href="https://blogs.esa.int/orion/category/moon-2/" rel="category tag">Moon</a></li> <li><a href="https://blogs.esa.int/orion/category/orion-2/" rel="category tag">Orion</a></li></ul> </div> </div> <div class="post-comments"> <h2>Discussion: <small>no comments</small></h2> <ul class="commentlist"> </ul> <div id="respond" class="comment-respond"> <h3 id="reply-title" class="comment-reply-title">Leave a Reply <small><a rel="nofollow" id="cancel-comment-reply-link" href="/orion/2023/11/06/artemis-ii-turning-orion-on/#respond" style="display:none;">Cancel reply</a></small></h3><form action="https://blogs.esa.int/orion/wp-comments-post.php" method="post" id="commentform" class="comment-form"><p class="comment-notes">Your email address will not be published. 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value='https://blogs.esa.int/orion/2012/09/'> September 2012 </option> <option value='https://blogs.esa.int/orion/2012/08/'> August 2012 </option> <option value='https://blogs.esa.int/orion/2012/07/'> July 2012 </option> <option value='https://blogs.esa.int/orion/2012/06/'> June 2012 </option> <option value='https://blogs.esa.int/orion/2012/05/'> May 2012 </option> <option value='https://blogs.esa.int/orion/2012/04/'> April 2012 </option> <option value='https://blogs.esa.int/orion/2012/03/'> March 2012 </option> <option value='https://blogs.esa.int/orion/2012/02/'> February 2012 </option> <option value='https://blogs.esa.int/orion/2012/01/'> January 2012 </option> <option value='https://blogs.esa.int/orion/2011/12/'> December 2011 </option> <option value='https://blogs.esa.int/orion/2011/11/'> November 2011 </option> <option value='https://blogs.esa.int/orion/2011/10/'> October 2011 </option> <option value='https://blogs.esa.int/orion/2011/09/'> September 2011 </option> <option value='https://blogs.esa.int/orion/2011/08/'> August 2011 </option> <option value='https://blogs.esa.int/orion/2011/07/'> July 2011 </option> <option value='https://blogs.esa.int/orion/2011/06/'> June 2011 </option> <option value='https://blogs.esa.int/orion/2011/05/'> May 2011 </option> <option value='https://blogs.esa.int/orion/2011/04/'> April 2011 </option> <option value='https://blogs.esa.int/orion/2011/03/'> March 2011 </option> <option value='https://blogs.esa.int/orion/2011/02/'> February 2011 </option> <option value='https://blogs.esa.int/orion/2011/01/'> January 2011 </option> </select> <script type="text/javascript"> /* <![CDATA[ */ (function() { var dropdown = document.getElementById( "archives-dropdown-2" ); function onSelectChange() { if ( dropdown.options[ dropdown.selectedIndex ].value !== '' ) { document.location.href = this.options[ this.selectedIndex ].value; } } dropdown.onchange = onSelectChange; })(); /* ]]> */ </script> </div> </div> <div class="col-xs-12 col-sm-4"> <div id="custom_html-3" class="widget_text widget widget_custom_html"><h5 class="widget-title">Partner Orion sites</h5><div class="textwidget custom-html-widget"><p align="center"><a href="https://www.nasa.gov/exploration/systems/orion/" target="_blank"><img src="https://www.nasa.gov/sites/default/files/styles/full_width_feature/public/thumbnails/image/artemis_i_identifier_small.png" alt="NASA Orion page" border="0" align="center">NASA Orion page</a></p> <p align="center"><a href="https://www.nasa.gov/specials/artemis/" target="_blank"><img src="https://www.nasa.gov/specials/artemis/img/logo-for-annotations.png" alt="NASA Artemis" border="0" align="center">NASA Artemis</a></p> <p align="center"><a href="https://www.airbus.com/space/space-infrastructures/Orion-ESM.html" target="_blank"><img src="https://blogs.esa.int/orion/files/2021/04/AIRBUS_Blue.png" alt="Airbus Orion page" border="0" align="center">Airbus Orion page</a></p></div></div> </div> </div> </div> </section> 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