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Young Engineers' Satellite 2 - Wikipedia

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<div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Yes2everest.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Yes2everest.jpg/333px-Yes2everest.jpg" decoding="async" width="333" height="327" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Yes2everest.jpg/500px-Yes2everest.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Yes2everest.jpg/666px-Yes2everest.jpg 2x" data-file-width="717" data-file-height="705" /></a><figcaption> The reconstructed deployment of the YES2 tether, i.e., the trajectory of the Fotino capsule in relationship to the Foton spacecraft. Orbital motion is to the left. The Earth is down. Mount Everest is shown several times for scale. The Fotino was released at the vertical, 32 km below Foton, about 240 km above the surface of the Earth, and made a re-entry towards Kazakhstan.</figcaption></figure> <p>The <b>Young Engineers' Satellite 2</b> (<b>YES2</b>) was a 36&#160;kg student-built <a href="/wiki/Tether_satellite" class="mw-redirect" title="Tether satellite">tether satellite</a> that was part of <a href="/wiki/ESA" class="mw-redirect" title="ESA">ESA</a>'s <a href="/wiki/Foton-M3" class="mw-redirect" title="Foton-M3">Foton-M3</a> <a href="/wiki/Microgravity" class="mw-redirect" title="Microgravity">microgravity</a> mission. The launch of the Russian Foton-M3 occurred on September 14, 2007, at 13:00 (CEST) by a <a href="/wiki/Soyuz-U" title="Soyuz-U">Soyuz-U</a> launcher lifting off from the <a href="/wiki/Baikonur_Cosmodrome" title="Baikonur Cosmodrome">Baikonur Cosmodrome</a> in <a href="/wiki/Kazakhstan" title="Kazakhstan">Kazakhstan</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup> Foton-M3 returned successfully to Earth on 26 September 2007, landing in Kazakhstan at 7:58 GMT.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup> The YES2 project was carried out by Delta-Utec SRC and supervised by the ESA Education Office and was nearly entirely designed and build by students and young engineers. </p><p>The YES2 deployment took place Sept. 25, 2007. The mission objective was to deploy a 30&#160;km long and 0.5&#160;mm thin tether (made of <a href="/wiki/Dyneema" class="mw-redirect" title="Dyneema">Dyneema</a>) in two controlled stages, in order to release a small, spherical, lightweight <a href="/wiki/Reentry_capsule" title="Reentry capsule">reentry capsule</a> called Fotino into a predetermined trajectory to a landing area in Kazakhstan.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup> The scientific objectives of the mission were achieved. The YES2 featured the first multi-stage tether deployment. It could be reconstructed within about 20 m accuracy for the first stage (3400 m) and 100–150 m for the 31.7&#160;km deployment as a whole. The first stage was deployed accurately (about 10–20 m error), the second stage overdeployed by 1.7&#160;km. Fotino released as planned during a swing of the tethered system through the vertical (as seen from Foton). The tether properties, deployment dynamics and tether deployer system performance could be evaluated. The tether deployer performed nominally. However, due to an electrical fault, the on-board computer failed to register the final length correctly and only a partial deployment was initially reported based on telemetry available in real-time. Initial deployment friction was found to exceed the nominal range, revealed by post-mission testing to be most likely due to a thermomechanical settling of the tether spool.<sup id="cite_ref-YES_4-0" class="reference"><a href="#cite_note-YES-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> Some weeks after mission completion, analysis of the full data set confirmed that the tether deployed to its full length of 31.7&#160;km.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">&#91;</span>6<span class="cite-bracket">&#93;</span></a></sup> No signal was ever received from the "Fotino" re-entry capsule after separation, and it was lost.<sup id="cite_ref-YES_4-1" class="reference"><a href="#cite_note-YES-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> YES2 established a new world record as the longest artificial structure in space and was later included in the Guinness Book of Records Edition 2009.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">&#91;</span>7<span class="cite-bracket">&#93;</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="The_YES2_project">The YES2 project</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Young_Engineers%27_Satellite_2&amp;action=edit&amp;section=1" title="Edit section: The YES2 project"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Most of the work done in this ambitious project (like design, manufacturing and integration) was done by students and young engineers. In total some 450 students participated. </p><p>Soon after the beginning of the project, four "Centres of Expertise" were created. These were universities which were responsible for parts of the satellite or subsystems. The centres were: <a href="/wiki/Samara,_Russia" class="mw-redirect" title="Samara, Russia">Samara</a> State Aerospace University, Russia (mission analysis, GPS); <a href="/wiki/University_of_Modena" class="mw-redirect" title="University of Modena">University of Modena</a> and Reggio Emilia, Italy (re-entry capsule); <a href="/wiki/Hochschule_Niederrhein" title="Hochschule Niederrhein">Hochschule Niederrhein</a> in <a href="/wiki/Krefeld" title="Krefeld">Krefeld</a>, Germany (tether); <a href="/wiki/University_of_Patras" title="University of Patras">University of Patras</a>, Greece (mechanical and thermal). Coordination and system engineering was carried out by prime contractor Delta-Utec SRC from the Netherlands. </p><p>Towards the end of the project, in the manufacturing and integration phase, the work concentrated on the Delta-Utec office in <a href="/wiki/Leiden" title="Leiden">Leiden</a> and ESA's ESTEC in <a href="/wiki/Noordwijk" title="Noordwijk">Noordwijk</a>, where the satellite was built and tested. </p><p>The test program included: </p> <ul><li><a href="/wiki/Electromagnetic_compatibility" title="Electromagnetic compatibility">electromagnetic compatibility</a> testing in the "Maxwell" EMC test chamber</li> <li>simulation of space environment in a <a href="/wiki/Thermal_vacuum_chamber" title="Thermal vacuum chamber">thermal vacuum chamber</a></li> <li><a href="/wiki/Vibration_testing" class="mw-redirect" title="Vibration testing">vibration testing</a> on a shake table</li> <li><a href="/wiki/Functional_test" class="mw-redirect" title="Functional test">functional tests</a> of all components and sub-systems</li></ul> <p>The satellite was handed over to ESA at the beginning of May 2007 and was shipped to Samara (Russia) soon after, where YES2 was mated to Foton-M3 for the first time for test purposes. Afterwards, YES2 and Foton were separated again and brought to Baikonur (Kazakhstan) by train where the whole satellite was completely integrated and mated with the launcher, a <a href="/wiki/Soyuz-U" title="Soyuz-U">Soyuz-U</a> rocket. Foton-M3 and YES2 finally launched on 14 September 2007 at 13:00 (CEST) from the Gagarin launch pad at <a href="/wiki/Baikonur_Cosmodrome" title="Baikonur Cosmodrome">Baikonur Cosmodrome</a>. </p><p>The main contribution of the project was the demonstration of a complex controlled deployment in two stages. Post-flight, several independent sources of deployment data were collected, including deployment length and rate measurements from YES2 itself as well as highly precise triaxial <a href="/wiki/Accelerometer" title="Accelerometer">accelerometer</a> data from a separate experiment on the Foton carrier spacecraft. These data confirmed that the deployment did progress mostly successfully, in particular the critical first stage and stage transition and the tether deployer performed nominally. The data that was recovered helped to understand the deployer performance and tether dynamics in yet unseen detail, including explicit signatures of sound waves, transverse waves and spring-mass motion. The small <a href="/wiki/Reentry_capsule" title="Reentry capsule">reentry capsule</a> Fotino, intended to demonstrate the SpaceMail concept, was not successfully recovered. Calculations based on YES2 sensor data indicate that the landing site should have been in or near the <a href="/wiki/Aral_Sea" title="Aral Sea">Aral Sea</a>. Alternatively, the capsule, experimental in itself, may have burnt up or crashlanded. </p> <div class="mw-heading mw-heading2"><h2 id="Design_of_the_satellite">Design of the satellite</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Young_Engineers%27_Satellite_2&amp;action=edit&amp;section=2" title="Edit section: Design of the satellite"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>There were three main components of the experiment: </p> <ul><li>FLOYD – the YES2 deployment mechanism located on the Foton spacecraft;</li> <li>MASS – the Mechanical data Acquisition and Support System;</li> <li>FOTINO – a small spherical capsule, with a diameter of 40&#160;cm and a mass of 6&#160;kg.</li></ul> <div class="mw-heading mw-heading2"><h2 id="YES2_mission_design">YES2 mission design</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Young_Engineers%27_Satellite_2&amp;action=edit&amp;section=3" title="Edit section: YES2 mission design"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>During the flight, the FLOYD mechanism ejected the other two components. There was then to be a controlled deployment of a 30&#160;km long tether. Orbital dynamics caused the Fotino capsule to be positioned in front of the mother spacecraft. By bringing the deployment to a halt, a pendulum-like swing was induced. When the capsule and tether swung through the local vertical, the tether was cut. Since the capsule was then going too slowly to stay in orbit, it entered a trajectory to re-enter the atmosphere from an altitude of about 250&#160;km, protected by a heat shield made of novel materials. Once it reached an altitude of 5&#160;km, a parachute was intended to deploy to ensure a soft landing on the steppes of Kazakhstan. </p><p>Since data from the Fotino was not downlinked and the Fotino capsule itself was not recovered, it is not known how well the capsule survived the entry. </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Young_Engineers%27_Satellite_2&amp;action=edit&amp;section=4" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239009302">.mw-parser-output .portalbox{padding:0;margin:0.5em 0;display:table;box-sizing:border-box;max-width:175px;list-style:none}.mw-parser-output .portalborder{border:1px solid var(--border-color-base,#a2a9b1);padding:0.1em;background:var(--background-color-neutral-subtle,#f8f9fa)}.mw-parser-output .portalbox-entry{display:table-row;font-size:85%;line-height:110%;height:1.9em;font-style:italic;font-weight:bold}.mw-parser-output .portalbox-image{display:table-cell;padding:0.2em;vertical-align:middle;text-align:center}.mw-parser-output .portalbox-link{display:table-cell;padding:0.2em 0.2em 0.2em 0.3em;vertical-align:middle}@media(min-width:720px){.mw-parser-output .portalleft{clear:left;float:left;margin:0.5em 1em 0.5em 0}.mw-parser-output .portalright{clear:right;float:right;margin:0.5em 0 0.5em 1em}}</style><ul role="navigation" aria-label="Portals" class="noprint portalbox portalborder portalright"> <li class="portalbox-entry"><span class="portalbox-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/RocketSunIcon.svg/28px-RocketSunIcon.svg.png" decoding="async" width="28" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/RocketSunIcon.svg/42px-RocketSunIcon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d6/RocketSunIcon.svg/56px-RocketSunIcon.svg.png 2x" data-file-width="128" data-file-height="128" /></span></span></span><span class="portalbox-link"><a href="/wiki/Portal:Spaceflight" title="Portal:Spaceflight">Spaceflight portal</a></span></li></ul> <ul><li><a href="/wiki/Space_tether" title="Space tether">Space tether</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Young_Engineers%27_Satellite_2&amp;action=edit&amp;section=5" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media 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data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.esa.int/esaCP/SEMQDB13J6F_index_0.html">"Lift-off for Foton microgravity mission"</a>. ESA.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Lift-off+for+Foton+microgravity+mission&amp;rft.pub=ESA&amp;rft_id=http%3A%2F%2Fwww.esa.int%2FesaCP%2FSEMQDB13J6F_index_0.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AYoung+Engineers%27+Satellite+2" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.esa.int/esaCP/SEMFVO6H07F_index_0.html">"Foton-M3 experiments return to Earth"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2007-09-26</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Foton-M3+experiments+return+to+Earth&amp;rft_id=http%3A%2F%2Fwww.esa.int%2FesaCP%2FSEMFVO6H07F_index_0.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AYoung+Engineers%27+Satellite+2" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKatharine_Sanderson2007" class="citation journal cs1">Katharine Sanderson (2007-09-26). <a rel="nofollow" class="external text" href="https://doi.org/10.1038%2F449387a">"Dropping a line from space"</a>. <i><a href="/wiki/Nature_(journal)" title="Nature (journal)">Nature</a></i>. <b>449</b> (7161): 387. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2007Natur.449..387S">2007Natur.449..387S</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1038%2F449387a">10.1038/449387a</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a>&#160;<a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/17898730">17898730</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Nature&amp;rft.atitle=Dropping+a+line+from+space&amp;rft.volume=449&amp;rft.issue=7161&amp;rft.pages=387&amp;rft.date=2007-09-26&amp;rft_id=info%3Apmid%2F17898730&amp;rft_id=info%3Adoi%2F10.1038%2F449387a&amp;rft_id=info%3Abibcode%2F2007Natur.449..387S&amp;rft.au=Katharine+Sanderson&amp;rft_id=https%3A%2F%2Fdoi.org%2F10.1038%252F449387a&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AYoung+Engineers%27+Satellite+2" class="Z3988"></span></span> </li> <li id="cite_note-YES-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-YES_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-YES_4-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">ESA <a rel="nofollow" class="external text" href="http://www.esa.int/esaMI/YES/index.html">YES</a> page</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMichiel_KruijffErik_J._van_der_HeideWubbo_J._Ockels2009" class="citation journal cs1">Michiel Kruijff; Erik J. van der Heide; Wubbo J. Ockels (November–December 2009). <a rel="nofollow" class="external text" href="https://doi.org/10.2514/1.41878">"Data Analysis of a Tethered SpaceMail Experiment"</a>. <i>Journal of Spacecraft and Rockets</i>. <b>46</b> (6): 1272–1287. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.2514%2F1.41878">10.2514/1.41878</a><span class="reference-accessdate">. Retrieved <span class="nowrap">9 April</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Journal+of+Spacecraft+and+Rockets&amp;rft.atitle=Data+Analysis+of+a+Tethered+SpaceMail+Experiment&amp;rft.volume=46&amp;rft.issue=6&amp;rft.pages=1272-1287&amp;rft.date=2009-11%2F2009-12&amp;rft_id=info%3Adoi%2F10.2514%2F1.41878&amp;rft.au=Michiel+Kruijff&amp;rft.au=Erik+J.+van+der+Heide&amp;rft.au=Wubbo+J.+Ockels&amp;rft_id=https%3A%2F%2Fdoi.org%2F10.2514%2F1.41878&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AYoung+Engineers%27+Satellite+2" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text">Michiel Kruijff, "Tethers in Space, a propellantless propulsion in-orbit demonstration", <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/978-90-8891-282-5" title="Special:BookSources/978-90-8891-282-5">978-90-8891-282-5</a>(<a rel="nofollow" class="external autonumber" href="http://repository.tudelft.nl/view/ir/uuid%3A9d437e58-82c0-4af1-935f-69ba5573c7a2/">[1]</a>)</span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.esa.int/SPECIALS/YES/SEMUI053R8F_0.html">"YES2 team claims a space tether world record"</a>. 2007-11-08<span class="reference-accessdate">. Retrieved <span class="nowrap">2008-07-10</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=YES2+team+claims+a+space+tether+world+record&amp;rft.date=2007-11-08&amp;rft_id=http%3A%2F%2Fwww.esa.int%2FSPECIALS%2FYES%2FSEMUI053R8F_0.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AYoung+Engineers%27+Satellite+2" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Young_Engineers%27_Satellite_2&amp;action=edit&amp;section=6" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20030210014335/http://www.yes2.info/">Homepage</a></li> <li><a rel="nofollow" class="external text" href="http://www.esa.int/Education/Young_Engineers_Satellites">ESA project homepage</a></li> <li><a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=7IN7mdU_QU4">YES2 Tether and Re-entry Capsule Fotino Mission Animation</a></li> <li><a rel="nofollow" class="external text" href="http://repository.tudelft.nl/view/ir/uuid%3A9d437e58-82c0-4af1-935f-69ba5573c7a2/">Tethers in Space: A propellantless propulsion in-orbit demonstration</a> - TU Delft Institutional Repository</li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl 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href="/wiki/Template_talk:Orbital_launches_in_2007" title="Template talk:Orbital launches in 2007"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Orbital_launches_in_2007" title="Special:EditPage/Template:Orbital launches in 2007"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="←_2006Orbital_launches_in_20072008_→" style="font-size:114%;margin:0 4em"><div style="float: left;"><a href="/wiki/2006_in_spaceflight" title="2006 in spaceflight">← 2006</a></div><a href="/wiki/2007_in_spaceflight" title="2007 in spaceflight"><span class="vevent"><span class="summary">Orbital launches in <span class="dtstart">2007</span></span></span></a><div style="float: right;"><a href="/wiki/2008_in_spaceflight" title="2008 in spaceflight">2008 →</a></div></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">January</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cartosat-2" title="Cartosat-2">Cartosat-2</a>, <a href="/wiki/Space_Capsule_Recovery_Experiment" title="Space Capsule Recovery Experiment">SRE-1</a>, <a href="/wiki/Lapan-TUBsat" title="Lapan-TUBsat">Lapan-TUBsat</a>, <a href="/wiki/Pehuensat-1" title="Pehuensat-1">Pehuensat-1</a></li> <li><a href="/wiki/Progress_M-59" title="Progress M-59">Progress M-59</a></li> <li><i><a href="/wiki/NSS-8" title="NSS-8">NSS-8</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">February</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Beidou-1D&amp;action=edit&amp;redlink=1" class="new" title="Beidou-1D (page does not exist)">Beidou-1D</a></li> <li><a href="/wiki/THEMIS" title="THEMIS">THEMIS A</a>, <a href="/wiki/THEMIS" title="THEMIS">THEMIS B</a>, <a href="/wiki/THEMIS" title="THEMIS">THEMIS C</a>, <a href="/wiki/THEMIS" title="THEMIS">THEMIS D</a>, <a href="/wiki/THEMIS" title="THEMIS">THEMIS E</a></li> <li><a href="/w/index.php?title=IGS_Radar_2&amp;action=edit&amp;redlink=1" class="new" title="IGS Radar 2 (page does not exist)">IGS Radar 2</a>, <a href="/w/index.php?title=IGS_Optical_3V&amp;action=edit&amp;redlink=1" class="new" title="IGS Optical 3V (page does not exist)">IGS Optical 3V</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">March</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/ASTRO_(satellite)" title="ASTRO (satellite)">ASTRO</a>, <a href="/wiki/CFESat" title="CFESat">CFESat</a>, <a href="/wiki/FalconSAT#Satellites" title="FalconSAT">FalconSAT-3</a>, <a href="/wiki/MidSTAR-1" title="MidSTAR-1">MidSTAR-1</a>, <a href="/wiki/NEXTSat" title="NEXTSat">NEXTSat</a>, <a href="/wiki/Space_Test_Program#2007" title="Space Test Program">STPSat-1</a></li> <li><a href="/wiki/Skynet_5A" title="Skynet 5A">Skynet 5A</a>, <a href="/wiki/INSAT-4B" title="INSAT-4B">INSAT-4B</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">April</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><u><a href="/wiki/Soyuz_TMA-10" title="Soyuz TMA-10">Soyuz TMA-10</a></u></li> <li><a href="/wiki/Anik_F3" class="mw-redirect" title="Anik F3">Anik F3</a></li> <li><a href="/w/index.php?title=Hai_Yang_1B&amp;action=edit&amp;redlink=1" class="new" title="Hai Yang 1B (page does not exist)">Hai Yang 1B</a></li> <li><a href="/w/index.php?title=Compass-M1&amp;action=edit&amp;redlink=1" class="new" title="Compass-M1 (page does not exist)">Compass-M1</a></li> <li><a href="/wiki/EgyptSat_1" title="EgyptSat 1">EgyptSat 1</a>, <a href="/w/index.php?title=Saudisat-3&amp;action=edit&amp;redlink=1" class="new" title="Saudisat-3 (page does not exist)">Saudisat-3</a>, <a href="/w/index.php?title=SaudiComsat-3&amp;action=edit&amp;redlink=1" class="new" title="SaudiComsat-3 (page does not exist)">SaudiComsat-3</a>, <a href="/w/index.php?title=SaudiComsat-4&amp;action=edit&amp;redlink=1" class="new" title="SaudiComsat-4 (page does not exist)">SaudiComsat-4</a>, <a href="/w/index.php?title=SaudiComsat-5&amp;action=edit&amp;redlink=1" class="new" title="SaudiComsat-5 (page does not exist)">SaudiComsat-5</a>, <a href="/w/index.php?title=SaudiComsat-6&amp;action=edit&amp;redlink=1" class="new" title="SaudiComsat-6 (page does not exist)">SaudiComsat-6</a>, <a href="/w/index.php?title=SaudiComsat-7&amp;action=edit&amp;redlink=1" class="new" title="SaudiComsat-7 (page does not exist)">SaudiComsat-7</a>, <a href="/w/index.php?title=CP-3_(satellite)&amp;action=edit&amp;redlink=1" class="new" title="CP-3 (satellite) (page does not exist)">CP-3</a>, <a href="/w/index.php?title=CP-4&amp;action=edit&amp;redlink=1" class="new" title="CP-4 (page does not exist)">CP-4</a>, <a href="/wiki/CAPE-1" title="CAPE-1">CAPE-1</a>, <a href="/wiki/Libertad_1" title="Libertad 1">Libertad 1</a>, <a href="/w/index.php?title=AeroCube_2&amp;action=edit&amp;redlink=1" class="new" title="AeroCube 2 (page does not exist)">AeroCube 2</a>, <a href="/w/index.php?title=CSTB-1&amp;action=edit&amp;redlink=1" class="new" title="CSTB-1 (page does not exist)">CSTB-1</a>, <a href="/wiki/Multi-Application_Survivable_Tether" title="Multi-Application Survivable Tether">MAST</a></li> <li><a href="/wiki/AGILE_(satellite)" title="AGILE (satellite)">AGILE</a>, <a href="/wiki/Advanced_Avionics_Module" title="Advanced Avionics Module">AAM</a></li> <li><a href="/wiki/Near_Field_Infrared_Experiment" title="Near Field Infrared Experiment">NFIRE</a></li> <li><a href="/wiki/Aeronomy_of_Ice_in_the_Mesosphere" title="Aeronomy of Ice in the Mesosphere">AIM</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">May</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Astra_1L" title="Astra 1L">Astra 1L</a>, <a href="/wiki/Galaxy_17" title="Galaxy 17">Galaxy 17</a></li> <li><a href="/wiki/Progress_M-60" title="Progress M-60">Progress M-60</a></li> <li><a href="/wiki/NigComSat-1" title="NigComSat-1">NigComSat-1</a></li> <li><a href="/wiki/Yaogan" title="Yaogan">Yaogan 2</a>, <a href="/w/index.php?title=Zheda_PiXing_1&amp;action=edit&amp;redlink=1" class="new" title="Zheda PiXing 1 (page does not exist)">Zheda PiXing 1</a></li> <li><a href="/w/index.php?title=Globalstar_65&amp;action=edit&amp;redlink=1" class="new" title="Globalstar 65 (page does not exist)">Globalstar 65</a>, <a href="/w/index.php?title=Globalstar_69&amp;action=edit&amp;redlink=1" class="new" title="Globalstar 69 (page does not exist)">Globalstar 69</a>, <a href="/w/index.php?title=Globalstar_71&amp;action=edit&amp;redlink=1" class="new" title="Globalstar 71 (page does not exist)">Globalstar 71</a>, <a href="/w/index.php?title=Globalstar_72&amp;action=edit&amp;redlink=1" class="new" title="Globalstar 72 (page does not exist)">Globalstar 72</a></li> <li><a href="/wiki/Sinosat-3" class="mw-redirect" title="Sinosat-3">Sinosat-3</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">June</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Kosmos_2427&amp;action=edit&amp;redlink=1" class="new" title="Kosmos 2427 (page does not exist)">Kosmos 2427</a></li> <li><a href="/wiki/COSMO-1" title="COSMO-1">COSMO-1</a></li> <li><u><a href="/wiki/STS-117" title="STS-117">STS-117</a></u> (<a href="/wiki/Integrated_Truss_Structure" title="Integrated Truss Structure">ITS S3/4</a>)</li> <li><a href="/wiki/Ofek-7" class="mw-redirect" title="Ofek-7">Ofek-7</a></li> <li><a href="/wiki/TerraSAR-X" title="TerraSAR-X">TerraSAR-X</a></li> <li><a href="/w/index.php?title=USA-194&amp;action=edit&amp;redlink=1" class="new" title="USA-194 (page does not exist)">USA-194</a></li> <li><a href="/wiki/Genesis_II_(space_habitat)" title="Genesis II (space habitat)">Genesis II</a></li> <li><a href="/w/index.php?title=Kosmos_2428&amp;action=edit&amp;redlink=1" class="new" title="Kosmos 2428 (page does not exist)">Kosmos 2428</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">July</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/SAR-Lupe_2" class="mw-redirect" title="SAR-Lupe 2">SAR-Lupe 2</a></li> <li><a href="/w/index.php?title=Zhongxing_6B&amp;action=edit&amp;redlink=1" class="new" title="Zhongxing 6B (page does not exist)">Zhongxing 6B</a></li> <li><a href="/wiki/T10_(satellite)" title="T10 (satellite)">DirecTV-10</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">August</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Progress_M-61" title="Progress M-61">Progress M-61</a></li> <li><a href="/wiki/Phoenix_(spacecraft)" title="Phoenix (spacecraft)">Phoenix</a></li> <li><u><a href="/wiki/STS-118" title="STS-118">STS-118</a></u> (<a href="/wiki/Integrated_Truss_Structure" title="Integrated Truss Structure">ITS S5</a>, <a href="/wiki/SpaceHab" class="mw-redirect" title="SpaceHab">SpaceHab LSM</a>)</li> <li><a href="/wiki/Spaceway-3" title="Spaceway-3">Spaceway-3</a>, <a href="/wiki/BSAT-3a" title="BSAT-3a">BSAT-3a</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">September</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/INSAT-4CR" title="INSAT-4CR">INSAT-4CR</a></li> <li><i><a href="/wiki/JCSAT-11" title="JCSAT-11">JCSAT-11</a></i></li> <li><a href="/w/index.php?title=Kosmos_2429&amp;action=edit&amp;redlink=1" class="new" title="Kosmos 2429 (page does not exist)">Kosmos 2429</a></li> <li><a href="/wiki/SELENE" title="SELENE">Kaguya</a> (<a href="/w/index.php?title=Okina_(spacecraft)&amp;action=edit&amp;redlink=1" class="new" title="Okina (spacecraft) (page does not exist)">Okina</a>, <a href="/w/index.php?title=Ouna_(spacecraft)&amp;action=edit&amp;redlink=1" class="new" title="Ouna (spacecraft) (page does not exist)">Ouna</a>)</li> <li><a href="/w/index.php?title=Foton-M_No.3&amp;action=edit&amp;redlink=1" class="new" title="Foton-M No.3 (page does not exist)">Foton-M No.3</a>, <a class="mw-selflink selflink">YES2</a></li> <li><a href="/wiki/WorldView-1" title="WorldView-1">WorldView-1</a></li> <li><a href="/wiki/CBERS-2B" title="CBERS-2B">CBERS-2B</a></li> <li><a href="/wiki/Dawn_(spacecraft)" title="Dawn (spacecraft)">Dawn</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">October</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Intelsat_11" title="Intelsat 11">Intelsat 11</a>, <a href="/wiki/Optus_D2" class="mw-redirect" title="Optus D2">Optus D2</a></li> <li><u><a href="/wiki/Soyuz_TMA-11" title="Soyuz TMA-11">Soyuz TMA-11</a></u></li> <li><a href="/wiki/USA-195" title="USA-195">USA-195</a></li> <li><a href="/wiki/USA-196" title="USA-196">USA-196</a></li> <li><a href="/w/index.php?title=Globalstar_66&amp;action=edit&amp;redlink=1" class="new" title="Globalstar 66 (page does not exist)">Globalstar 66</a>, <a href="/w/index.php?title=Globalstar_67&amp;action=edit&amp;redlink=1" class="new" title="Globalstar 67 (page does not exist)">Globalstar 67</a>, <a href="/w/index.php?title=Globalstar_78&amp;action=edit&amp;redlink=1" class="new" title="Globalstar 78 (page does not exist)">Globalstar 78</a>, <a href="/w/index.php?title=Globalstar_70&amp;action=edit&amp;redlink=1" class="new" title="Globalstar 70 (page does not exist)">Globalstar 70</a></li> <li><a href="/wiki/Kosmos_2430" title="Kosmos 2430">Kosmos 2430</a></li> <li><u><a href="/wiki/STS-120" title="STS-120">STS-120</a></u> (<a href="/wiki/Harmony_(ISS_module)" title="Harmony (ISS module)">Harmony</a>)</li> <li><a href="/wiki/Chang%27e_1" title="Chang&#39;e 1">Chang'e 1</a></li> <li><a href="/wiki/Kosmos_2431" title="Kosmos 2431">Kosmos 2431</a>, <a href="/wiki/Kosmos_2432" title="Kosmos 2432">Kosmos 2432</a>, <a href="/wiki/Kosmos_2433" title="Kosmos 2433">Kosmos 2433</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">November</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/SAR-Lupe_3" class="mw-redirect" title="SAR-Lupe 3">SAR-Lupe 3</a>, <a href="/w/index.php?title=Rubin-7&amp;action=edit&amp;redlink=1" class="new" title="Rubin-7 (page does not exist)">Rubin-7</a></li> <li><a href="/wiki/USA-197" title="USA-197">USA-197</a></li> <li><a href="/wiki/Yaogan" title="Yaogan">Yaogan 3</a></li> <li><a href="/wiki/Skynet_5B" title="Skynet 5B">Skynet 5B</a>, <a href="/wiki/Star_One_C1" title="Star One C1">Star One C1</a></li> <li><a href="/wiki/Sirius_4" class="mw-redirect" title="Sirius 4">Sirius 4</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">December</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Globus-1M_No.11L&amp;action=edit&amp;redlink=1" class="new" title="Globus-1M No.11L (page does not exist)">Globus-1M No.11L</a></li> <li><a href="/wiki/COSMO-2" class="mw-redirect" title="COSMO-2">COSMO-2</a></li> <li><a href="/wiki/USA-198" title="USA-198">USA-198</a></li> <li><a href="/wiki/Radarsat-2" title="Radarsat-2">Radarsat-2</a></li> <li><a href="/wiki/USA-199" title="USA-199">USA-199</a></li> <li><a href="/wiki/Horizons-2" title="Horizons-2">Horizons-2</a>, <a href="/wiki/Rascom-QAF_1" class="mw-redirect" title="Rascom-QAF 1">Rascom-QAF 1</a></li> <li><a href="/wiki/Progress_M-62" title="Progress M-62">Progress M-62</a></li> <li><a href="/wiki/Kosmos_2434" title="Kosmos 2434">Kosmos 2434</a>, <a href="/wiki/Kosmos_2435" title="Kosmos 2435">Kosmos 2435</a>, <a href="/wiki/Kosmos_2436" title="Kosmos 2436">Kosmos 2436</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div>Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ).<br /><u>Crewed flights</u> are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses).</div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="European_Space_Agency" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:European_Space_Agency" title="Template:European Space Agency"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:European_Space_Agency" title="Template talk:European Space Agency"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:European_Space_Agency" title="Special:EditPage/Template:European Space Agency"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="European_Space_Agency" style="font-size:114%;margin:0 4em"><a href="/wiki/European_Space_Agency" title="European Space Agency">European Space Agency</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%"><a href="/wiki/Spaceport" title="Spaceport">Space Centres</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Guiana_Space_Centre" title="Guiana Space Centre">Guiana</a></li> <li><a href="/wiki/Esrange" title="Esrange">Esrange</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%"><a href="/wiki/Launch_vehicle" title="Launch vehicle">Launch vehicles</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ariane_6" title="Ariane 6">Ariane 6</a></li> <li><a href="/wiki/Vega_C" title="Vega C">Vega C</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%">Facilities</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/European_Space_Operations_Centre" title="European Space Operations Centre">Space Operations Centre</a></li> <li><a href="/wiki/European_Space_Research_and_Technology_Centre" title="European Space Research and Technology Centre">Space Research and Technology Centre</a></li> <li><a href="/wiki/ESA_Centre_for_Earth_Observation" title="ESA Centre for Earth Observation">ESA Centre for Earth Observation</a></li> <li><a href="/wiki/European_Astronaut_Centre" title="European Astronaut Centre">European Astronaut Centre</a></li> <li><a href="/wiki/European_Space_Astronomy_Centre" title="European Space Astronomy Centre">Space Astronomy Centre</a></li> <li><a href="/wiki/European_Centre_for_Space_Applications_and_Telecommunications" title="European Centre for Space Applications and Telecommunications">Space Applications and Telecommunications Centre</a></li> <li><a href="/wiki/Concurrent_Design_Facility" title="Concurrent Design Facility">Concurrent Design Facility</a></li> <li><a href="/wiki/Space_Telescope_European_Coordinating_Facility" title="Space Telescope European Coordinating Facility">Space Telescope European Coordinating Facility</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%">Communications</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/ESTRACK" title="ESTRACK">ESTRACK</a></li> <li><a href="/wiki/European_Data_Relay_System" title="European Data Relay System">European Data Relay System</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%">Programmes</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Artemis_program" title="Artemis program">Artemis</a> <ul><li><a href="/wiki/European_Service_Module" title="European Service Module">ESM</a></li></ul></li> <li><a href="/wiki/Aurora_programme" title="Aurora programme">Aurora</a></li> <li><a href="/wiki/Copernicus_Programme" title="Copernicus Programme">Copernicus</a></li> <li><a href="/wiki/Columbus_(ISS_module)" title="Columbus (ISS module)">Columbus</a></li> <li><a href="/wiki/CryoSat" title="CryoSat">CryoSat</a></li> <li><a href="/wiki/European_Geostationary_Navigation_Overlay_Service" title="European Geostationary Navigation Overlay Service">EGNOS</a></li> <li><a href="/wiki/Galileo_(satellite_navigation)" title="Galileo (satellite navigation)">Galileo</a></li> <li><a href="/wiki/European_Programme_for_Life_and_Physical_Sciences_in_Space" title="European Programme for Life and Physical Sciences in Space">ELIPS</a></li> <li><a href="/wiki/ExoMars" title="ExoMars">ExoMars</a></li> <li><a href="/wiki/Future_Launchers_Preparatory_Programme" title="Future Launchers Preparatory Programme">FLPP</a></li> <li><a href="/wiki/Living_Planet_Programme" title="Living Planet Programme">Living Planet Programme</a></li> <li><a href="/wiki/Space_Situational_Awareness_Programme" title="Space Situational Awareness Programme">Space Situational Awareness Programme</a></li> <li><a href="/wiki/European_Space_Agency_Science_Programme" title="European Space Agency Science Programme">Science Programme</a> <ul><li><a href="/wiki/Cosmic_Vision" title="Cosmic Vision">Cosmic Vision</a></li></ul></li> <li><a href="/wiki/Programme_for_Reusable_In-orbit_Demonstrator_in_Europe" title="Programme for Reusable In-orbit Demonstrator in Europe">PRIDE</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%">Predecessors</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/European_Launcher_Development_Organisation" title="European Launcher Development Organisation">European Launcher Development Organisation</a></li> <li><a href="/wiki/European_Space_Research_Organisation" title="European Space Research Organisation">European Space Research Organisation</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%">Related topics</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Arianespace" title="Arianespace">Arianespace</a></li> <li><a href="/wiki/ESA_Television" title="ESA Television">ESA Television</a></li> <li><a href="/wiki/EUMETSAT" title="EUMETSAT">EUMETSAT</a></li> <li><a href="/wiki/European_Space_Camp" title="European Space Camp">European Space Camp</a></li> <li><a href="/wiki/Global_Energy_and_Water_Exchanges" title="Global Energy and Water Exchanges">GEWEX</a></li> <li><a href="/wiki/Planetary_Science_Archive" title="Planetary Science Archive">Planetary Science Archive</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible expanded navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2" style="text-align:center;"><div id="Projects_and_missions" style="font-size:114%;margin:0 4em"><a href="/wiki/List_of_European_Space_Agency_programs_and_missions" class="mw-redirect" title="List of European Space Agency programs and missions">Projects and missions</a></div></th></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%">Science</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:7.0em;text-align: center;">Solar physics</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/ISEE-2" title="ISEE-2">ISEE-2</a> (1977–1987)</li> <li><a href="/wiki/Ulysses_(spacecraft)" title="Ulysses (spacecraft)">Ulysses</a> (1990–2009)</li> <li><a href="/wiki/Solar_and_Heliospheric_Observatory" title="Solar and Heliospheric Observatory">SOHO</a> (1995–present)</li> <li><a href="/wiki/Cluster_II_(spacecraft)" title="Cluster II (spacecraft)">Cluster II</a> (2000–2024)</li> <li><a href="/wiki/Solar_Orbiter" title="Solar Orbiter">Solar Orbiter</a> (2020–present)</li> <li><i><a href="/wiki/ESA_Vigil" title="ESA Vigil">Vigil</a></i> (2031)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:7.0em;text-align: center;">Planetary science</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Giotto_(spacecraft)" title="Giotto (spacecraft)">Giotto</a> (1985–1992)</li> <li><a href="/wiki/Huygens_(spacecraft)" title="Huygens (spacecraft)">Huygens</a> (1997–2005)</li> <li><a href="/wiki/SMART-1" title="SMART-1">SMART-1</a> (2003–2006)</li> <li><a href="/wiki/Mars_Express" title="Mars Express">Mars Express</a> (2003–present)</li> <li><a href="/wiki/Rosetta_(spacecraft)" title="Rosetta (spacecraft)">Rosetta</a>/<a href="/wiki/Philae_(spacecraft)" title="Philae (spacecraft)">Philae</a> (2004–2016)</li> <li><a href="/wiki/Venus_Express" title="Venus Express">Venus Express</a> (2005–2014)</li> <li><a href="/wiki/Trace_Gas_Orbiter" title="Trace Gas Orbiter">ExoMars <i>Trace Gas Orbiter</i></a> (2016–present)</li> <li><a href="/wiki/BepiColombo" title="BepiColombo">BepiColombo</a> (2018–present)</li> <li><a href="/wiki/Jupiter_Icy_Moons_Explorer" title="Jupiter Icy Moons Explorer">Jupiter Icy Moons Explorer</a> (2023)</li> <li><a href="/wiki/Hera_(spacecraft)" class="mw-redirect" title="Hera (spacecraft)">Hera</a> (2024)</li> <li><a href="/wiki/Rosalind_Franklin_(rover)" title="Rosalind Franklin (rover)"><i>Rosalind Franklin</i> rover</a> (2028)</li> <li><i><a href="/wiki/Comet_Interceptor" title="Comet Interceptor">Comet Interceptor</a></i> (2029)</li> <li><i><a href="/wiki/EnVision" title="EnVision">EnVision</a></i> (2031)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:7.0em;text-align: center;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Astronomy and<br />cosmology</div></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cos-B" title="Cos-B">Cos-B</a> (1975–1982)</li> <li><a href="/wiki/International_Ultraviolet_Explorer" title="International Ultraviolet Explorer">IUE</a> (1978–1996)</li> <li><a href="/wiki/EXOSAT" title="EXOSAT">EXOSAT</a> (1983–1986)</li> <li><a href="/wiki/Hipparcos" title="Hipparcos">Hipparcos</a> (1989–1993)</li> <li><a href="/wiki/Hubble_Space_Telescope" title="Hubble Space Telescope">Hubble Space Telescope</a> (1990–present)</li> <li><a href="/wiki/European_Retrievable_Carrier" title="European Retrievable Carrier">Eureca</a> (1992–93)</li> <li><a href="/wiki/Infrared_Space_Observatory" title="Infrared Space Observatory">ISO</a> (1995–1998)</li> <li><a href="/wiki/XMM-Newton" title="XMM-Newton">XMM-Newton</a> (1999–present)</li> <li><a href="/wiki/INTEGRAL" title="INTEGRAL">INTEGRAL</a> (2002–present)</li> <li><a href="/wiki/CoRoT" title="CoRoT">CoRoT</a> (2006–13)</li> <li><a href="/wiki/Planck_(spacecraft)" title="Planck (spacecraft)">Planck</a> (2009–2013)</li> <li><a href="/wiki/Herschel_Space_Observatory" title="Herschel Space Observatory">Herschel</a> (2009–2013)</li> <li><a href="/wiki/Gaia_(spacecraft)" title="Gaia (spacecraft)">Gaia</a> (2013–present)</li> <li><a href="/wiki/CHEOPS" title="CHEOPS">CHEOPS</a> (2019–present)</li> <li><a href="/wiki/James_Webb_Space_Telescope" title="James Webb Space Telescope">James Webb Space Telescope</a> (2021–present)</li> <li><a href="/wiki/Euclid_(spacecraft)" title="Euclid (spacecraft)">Euclid</a> (2023–present)</li> <li><i><a href="/wiki/PLATO_(spacecraft)" title="PLATO (spacecraft)">PLATO</a></i> (2026)</li> <li><i><a href="/wiki/ARIEL" title="ARIEL">ARIEL</a></i> (2029)</li> <li><i><a href="/wiki/ARRAKIHS" title="ARRAKIHS">ARRAKIHS</a></i> (2030s)</li> <li><i><a href="/wiki/Advanced_Telescope_for_High_Energy_Astrophysics" title="Advanced Telescope for High Energy Astrophysics">Athena</a></i> (2035)</li> <li><i><a href="/wiki/Laser_Interferometer_Space_Antenna" title="Laser Interferometer Space Antenna">LISA</a></i> (2035)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:7.0em;text-align: center;">Earth observation</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Copernicus_Programme" title="Copernicus Programme">Copernicus</a> (1988–present)</li> <li><a href="/wiki/Meteosat#First_generation" title="Meteosat">Meteosat First Generation</a> (1977–1997)</li> <li><a href="/wiki/European_Remote-Sensing_Satellite" title="European Remote-Sensing Satellite">ERS-1</a> (1991–2000)</li> <li><a href="/wiki/European_Remote-Sensing_Satellite" title="European Remote-Sensing Satellite">ERS-2</a> (1995–2011)</li> <li><a href="/wiki/Meteosat#Second_Generation" title="Meteosat">Meteosat Second Generation</a> (2002–present)</li> <li><a href="/wiki/Envisat" title="Envisat">Envisat</a> (2002–2012)</li> <li><a href="/wiki/Double_Star_(satellite)" title="Double Star (satellite)">Double Star</a> (2003–2007)</li> <li><a href="/wiki/MetOp" title="MetOp">MetOp</a> (2006–present)</li> <li><a href="/wiki/GOCE" title="GOCE">GOCE</a> (2009–2013)</li> <li><a href="/wiki/Soil_Moisture_and_Ocean_Salinity" title="Soil Moisture and Ocean Salinity">SMOS</a> (2009–present)</li> <li><a href="/wiki/CryoSat-2" title="CryoSat-2">CryoSat-2</a> (2010–present)</li> <li><a href="/wiki/Swarm_(spacecraft)" title="Swarm (spacecraft)">Swarm</a> (2013–present)</li> <li><a href="/wiki/Sentinel-1" title="Sentinel-1">Sentinel-1</a> / <a href="/wiki/Sentinel-1A" title="Sentinel-1A">1A</a> / <a href="/wiki/Sentinel-1B" title="Sentinel-1B">1B</a> (2014–present)</li> <li><a href="/wiki/Sentinel-2" title="Sentinel-2">Sentinel-2</a> / <a href="/wiki/Sentinel-2A" title="Sentinel-2A">2A</a> / <a href="/wiki/Sentinel-2B" title="Sentinel-2B">2B</a> / <a href="/wiki/Sentinel-2C" class="mw-redirect" title="Sentinel-2C">2C</a> (2015–present)</li> <li><a href="/wiki/Sentinel-3" title="Sentinel-3">Sentinel-3</a> / <a href="/wiki/Sentinel-3A" title="Sentinel-3A">3A</a> / <a href="/wiki/Sentinel-3B" title="Sentinel-3B">3B</a> (2016–present)</li> <li><a href="/wiki/Sentinel-5_Precursor" title="Sentinel-5 Precursor">Sentinel-5 Precursor</a> (2017–present)</li> <li><a href="/wiki/ADM-Aeolus" title="ADM-Aeolus">ADM-Aeolus</a> (2018–present)</li> <li><i><a href="/wiki/Biomass_(satellite)" title="Biomass (satellite)">Biomass</a></i> (2024)</li> <li><i><a href="/wiki/EarthCARE" title="EarthCARE">EarthCARE</a></i> (2024)</li> <li><i><a href="/wiki/Meteosat_Third_Generation" class="mw-redirect" title="Meteosat Third Generation">Meteosat Third Generation</a></i> (<i><a href="/wiki/Sentinel-4" title="Sentinel-4">Sentinel-4</a></i>) (2024)</li> <li><i><a href="/wiki/ALTIUS" title="ALTIUS">ALTIUS</a></i> (2025)</li> <li><i><a href="/wiki/FLEX_(satellite)" title="FLEX (satellite)">FLEX</a></i> (2025)</li> <li><i><a href="/wiki/MetOp-SG-A" class="mw-redirect" title="MetOp-SG-A">MetOp-SG-A</a></i> (2025)</li> <li><i><a href="/wiki/MetOp-SG-B" class="mw-redirect" title="MetOp-SG-B">MetOp-SG-B</a></i> (2025)</li> <li><i><a href="/wiki/SMILE_(spacecraft)" title="SMILE (spacecraft)">SMILE</a></i> (2025)</li> <li><i><a href="/wiki/Far-infrared_Outgoing_Radiation_Understanding_and_Monitoring" title="Far-infrared Outgoing Radiation Understanding and Monitoring">FORUM</a></i> (2027)</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%"><a href="/wiki/European_contribution_to_the_International_Space_Station" title="European contribution to the International Space Station">ISS contributions</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Columbus_(ISS_module)" title="Columbus (ISS module)">Columbus</a> (2008–present)</li> <li><a href="/wiki/Automated_Transfer_Vehicle" title="Automated Transfer Vehicle">Automated Transfer Vehicle</a> (2008–2015)</li> <li><a href="/wiki/Cupola_(ISS_module)" title="Cupola (ISS module)">Cupola</a> (2010)</li> <li><a href="/wiki/European_Robotic_Arm" title="European Robotic Arm">European Robotic Arm</a> (2021)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%">Telecommunications</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/European_Space_Research_Organisation#GEOS" title="European Space Research Organisation">GEOS 2</a> (1978)</li> <li><a href="/wiki/Olympus-1" title="Olympus-1">Olympus-1</a> (1989–1993)</li> <li><a href="/wiki/Artemis_(satellite)" title="Artemis (satellite)">Artemis</a> (2001–present)</li> <li><a href="/wiki/GIOVE-A" class="mw-redirect" title="GIOVE-A">GIOVE-A</a> (2005–present)</li> <li><a href="/wiki/GIOVE-B" class="mw-redirect" title="GIOVE-B">GIOVE-B</a> (2008–present)</li> <li><a href="/wiki/HYLAS-1" title="HYLAS-1">HYLAS-1</a> (2010–present)</li> <li><a href="/wiki/Galileo_(satellite_navigation)#In-Orbit_Validation_(IOV)_satellites" title="Galileo (satellite navigation)">Galileo IOV</a> (2011–present)</li> <li><a href="/wiki/Galileo_(satellite_navigation)#Full_Operational_Capability_(FOC)_satellites" title="Galileo (satellite navigation)">Galileo FOC</a> (2014–present)</li> <li><a href="/wiki/European_Geostationary_Navigation_Overlay_Service" title="European Geostationary Navigation Overlay Service">EGNOS</a></li> <li><a href="/wiki/European_Data_Relay_System" title="European Data Relay System">European Data Relay System</a> (2016–present)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Technology<br />demonstrators</div></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Atmospheric_Reentry_Demonstrator" title="Atmospheric Reentry Demonstrator">ARD</a> (1998)</li> <li><a href="/wiki/PROBA" title="PROBA">PROBA-1</a> (2001–present)</li> <li><a class="mw-selflink selflink">YES2</a> (2007)</li> <li><a href="/wiki/PROBA-2" title="PROBA-2">PROBA-2</a> (2009–present)</li> <li><a href="/wiki/PROBA-V" title="PROBA-V">PROBA-V</a> (2013–present)</li> <li><a href="/wiki/Intermediate_eXperimental_Vehicle" title="Intermediate eXperimental Vehicle">IXV</a> (2015)</li> <li><a href="/wiki/LISA_Pathfinder" title="LISA Pathfinder">LISA Pathfinder</a> (2015–2017)</li> <li><a href="/wiki/OPS-SAT" title="OPS-SAT">OPS-SAT</a> (2019–present)</li> <li><i><a href="/wiki/PROBA-3" title="PROBA-3">PROBA-3</a></i> (2024)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%">Cancelled<br />and proposed</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/AIDA_(mission)" class="mw-redirect" title="AIDA (mission)">AIDA</a></li> <li><a href="/wiki/Ariane_5_ME" class="mw-redirect" title="Ariane 5 ME">Ariane 5 ME</a></li> <li><a href="/wiki/Calathus_Mission" title="Calathus Mission">Calathus Mission</a></li> <li><a href="/wiki/Ceres_Polar_Lander" title="Ceres Polar Lander">Ceres Polar Lander</a></li> <li><a href="/wiki/Columbus_Man-Tended_Free_Flyer" title="Columbus Man-Tended Free Flyer">Columbus Man-Tended Free Flyer</a></li> <li><a href="/wiki/CSTS" title="CSTS">CSTS</a></li> <li><a href="/wiki/Darwin_(spacecraft)" title="Darwin (spacecraft)">Darwin Mission</a></li> <li><a href="/wiki/Don_Quijote_(spacecraft)" title="Don Quijote (spacecraft)">Don Quijote</a></li> <li><a href="/wiki/E.Deorbit" title="E.Deorbit">e.Deorbit</a></li> <li><a href="/wiki/EChO" title="EChO">EChO</a></li> <li><a href="/wiki/Eddington_(spacecraft)" title="Eddington (spacecraft)">Eddington</a></li> <li><a href="/wiki/European_eXPErimental_Re-entry_Testbed" title="European eXPErimental Re-entry Testbed">EXPERT</a></li> <li><a href="/wiki/Hermes_(spacecraft)" title="Hermes (spacecraft)">Hermes</a></li> <li><a href="/wiki/Hopper_(spacecraft)" title="Hopper (spacecraft)">Hopper</a></li> <li><a href="/wiki/LOFT" title="LOFT">LOFT</a></li> <li><a href="/wiki/Lunar_Lander_(spacecraft)" title="Lunar Lander (spacecraft)">Lunar Lander</a></li> <li><a href="/wiki/Marco_Polo_(spacecraft)" title="Marco Polo (spacecraft)">Marco Polo</a></li> <li><a href="/wiki/MarcoPolo-R" class="mw-redirect" title="MarcoPolo-R">MarcoPolo-R</a></li> <li><a href="/wiki/Mars_sample_return_mission" class="mw-redirect" title="Mars sample return mission">Mars sample return mission</a></li> <li><a href="/wiki/ODINUS" title="ODINUS">ODINUS</a></li> <li><a href="/wiki/Phootprint" title="Phootprint">Phootprint</a></li> <li><a href="/wiki/SOLARIS" class="mw-redirect" title="SOLARIS">SOLARIS</a></li> <li><a href="/wiki/SPICA_(spacecraft)" title="SPICA (spacecraft)">SPICA</a></li> <li><a href="/wiki/STE-QUEST" title="STE-QUEST">STE-QUEST</a></li> <li><a href="/wiki/THESEUS_(satellite)" class="mw-redirect" title="THESEUS (satellite)">THESEUS</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%">Failed</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cluster_(spacecraft)" class="mw-redirect" title="Cluster (spacecraft)">Cluster</a></li> <li><a href="/wiki/CryoSat-1" title="CryoSat-1">CryoSat-1</a></li> <li><a href="/wiki/European_Space_Research_Organisation#GEOS" title="European Space Research Organisation">GEOS 1</a></li> <li><a href="/wiki/Schiaparelli_EDM" title="Schiaparelli EDM">Schiaparelli EDM</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div>Future missions in <i>italics</i> <ul><li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <b><a 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