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PROBA-2
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<h2 id="mission-summary">Mission summary</h2> <p>It was launched on 2 November 2009, with the <a href="/facts/Rockot/xXx9Gzg7">Rockot</a> launch system together with <a href="/facts/ESA/L8YRNV0C">ESA</a>'s <a href="/facts/Soil_Moisture_and_Ocean_Salinity_satellite/lBc3U9Rs">SMOS</a> mission.<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a> The platform was launched in a <a href="/facts/Sun-synchronous_orbit/3HonupUd">Sun-synchronous orbit</a> <a href="/facts/Low_Earth_orbit/rq1TwayJ">low Earth orbit</a> (altitude of 725 km).<a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a> </p><p>PROBA-2 contains five scientific instruments. Two of them are designated to observe the <a href="/facts/Sun/CadPCVHh">Sun</a>: "The Sun Watcher using APS and Image Processing" (<a href="/facts/SWAP_(instrument)/1YquHqI2">SWAP</a>, an EUV imager) and the "Large Yield Radiometer" (<a href="/facts/LYRA/sNX7y5ds">LYRA</a>), a radiometer made of diamond photodiodes. The Principal investigator teams of both instruments are hosted at the <a href="/facts/Royal_Observatory_of_Belgium/VHdR1QCM">Royal Observatory of Belgium</a>. This institute will also host the <a href="http://proba2.oma.be">PROBA-2 Science Center</a> from which the <a href="/facts/SWAP_(instrument)/1YquHqI2">SWAP</a> and <a href="/facts/LYRA/sNX7y5ds">LYRA</a> instruments will be operated and their data distributed. There are three other instruments to measure basic space plasma properties: the <a href="/facts/Dual_segmented_Langmuir_probe/myAHcjsj">Dual segmented Langmuir probe</a> (DSLP)<a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a> (developed by the <a href="/facts/Astronomical_Institute_of_Czech_Academy_of_Sciences/xW03HwsD">Astronomical Institute</a> and Institute of Atmospheric Physics, Academy of Sciences of the Czech Republic), the Thermal Plasma Measurement Unit (TPMU), and the Science Grade Vector Magnetometer (SGVM) developed by the <a href="/facts/Technical_University_of_Denmark/vLv1zoBQ">Technical University of Denmark</a>.<a class="footnote-ref" id="fnref:7" href="#fn:7"><sup>7</sup></a> </p> <h2 id="see-also">See also</h2> <ul> <li>Spaceflight portal</li></ul> <ul><li><a href="/facts/List_of_European_Space_Agency_programs_and_missions/gXUdGnY2">List of European Space Agency programs and missions</a></li> <li><a href="/facts/PROBA-1/K5GHe0ys">PROBA-1</a></li> <li><a href="/facts/PROBA-V/dp4j1uUE">PROBA-V</a></li> <li><a href="/facts/PROBA-3/uEyFWydL">PROBA-3</a></li></ul> <h2 id="external-links">External links</h2> <ul><li><a href="http://Proba2.oma.be">PROBA-2 Science Center</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"About PROBA-2". ESA. 2012-12-02. Retrieved 2013-04-15. <a href="http://www.esa.int/Our_Activities/Technology/Proba_Missions/About_Proba-2" target="_blank">http://www.esa.int/Our_Activities/Technology/Proba_Missions/About_Proba-2</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>"PROBA-2 (Project for On-Board Autonomy-2)". ESA. Retrieved 2013-04-15. <a href="https://directory.eoportal.org/web/eoportal/satellite-missions/p/proba-2" target="_blank">https://directory.eoportal.org/web/eoportal/satellite-missions/p/proba-2</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>"ESA Science & Technology - PROBA2". <a href="http://sci.esa.int/proba2/" target="_blank">http://sci.esa.int/proba2/</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>"Successful launch qualification test for PROBA-2". ESA. 2008-09-16. Archived from the original on 2011-07-25. Retrieved 2013-04-15. <a href="https://web.archive.org/web/20110725074327/http://news.eoportal.org/didyouknow/080923_did1.html" target="_blank">https://web.archive.org/web/20110725074327/http://news.eoportal.org/didyouknow/080923_did1.html</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>"PROBA-2 (Project for On-Board Autonomy-2)". ESA. Retrieved 2013-04-15. <a href="https://directory.eoportal.org/web/eoportal/satellite-missions/p/proba-2" target="_blank">https://directory.eoportal.org/web/eoportal/satellite-missions/p/proba-2</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>"PROBA-2 (Project for On-Board Autonomy-2)". ESA. Retrieved 2013-04-15. <a href="https://directory.eoportal.org/web/eoportal/satellite-missions/p/proba-2" target="_blank">https://directory.eoportal.org/web/eoportal/satellite-missions/p/proba-2</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>"PROBA-2 (Project for On-Board Autonomy-2)". ESA. Retrieved 2013-04-15. <a href="https://directory.eoportal.org/web/eoportal/satellite-missions/p/proba-2" target="_blank">https://directory.eoportal.org/web/eoportal/satellite-missions/p/proba-2</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> </ol>