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Siding Spring Survey
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<a href="/facts/Minor_planet/GxoaU532">Minor planets</a> discovered: 2758 <a class="footnote-ref" id="fnref:1" href="#fn:1"><sup>1</sup></a><table><tbody><tr><td><i>see § List of discovered minor planets</i></td></tr></tbody></table> <p>The Siding Spring Survey (SSS) was a <a href="/facts/Near-Earth_object/UwnPRnSN">near-Earth object</a> search program that used the 0.5-metre <a href="/facts/Uppsala_Southern_Schmidt_Telescope/WMo5bFl0">Uppsala Southern Schmidt Telescope</a> at <a href="/facts/Siding_Spring_Observatory/zILx1G7p">Siding Spring Observatory</a>, <a href="/facts/New_South_Wales/aW7eJXSS">New South Wales</a>, <a href="/facts/Australia/qLHpbppq">Australia</a>. It was the southern hemisphere counterpart of the <a href="/facts/Catalina_Sky_Survey/6GmVAEdE">Catalina Sky Survey</a> (CSS) located in the <a href="/facts/Santa_Catalina_Mountains/12ql11Hu">Santa Catalina Mountains</a> on <a href="/facts/Mount_Bigelow_(Arizona)/v7hMcHRd">Mount Bigelow</a>, near <a href="/facts/Tucson%2c_Arizona/26QPvEaG">Tucson</a>, <a href="/facts/Arizona/6ayM3swJ">Arizona</a>, <a href="/facts/United_States/P0sCdLe5">USA</a>. The survey was the only professional search for dangerous asteroids being made in the <a href="/facts/Southern_Hemisphere/QfJ4z9L5">Southern Hemisphere</a>. </p><p>SSS was jointly operated by the <a href="/facts/University_of_Arizona/ehesIpKx">University of Arizona</a> and the <a href="/facts/Australian_National_University/fqzCfrdp">Australian National University</a>, with funding from <a href="/facts/NASA/TIMCV0yV">NASA</a>. SSS (IAU observatory code E12) was located at Siding Spring Observatory (IAU observatory code 413) at <a href="https://geohack.toolforge.org/geohack.php?pagename=Siding_Spring_Survey¶ms=31.3_S_149.1_E_type:landmark_region:AU">31°18′S 149°06′E / 31.3°S 149.1°E / -31.3; 149.1</a>, approximately 400 km (250 mi) north-west of <a href="/facts/Sydney/8TegRcwB">Sydney</a> at an altitude of about 1,150 metres (3,770 ft). </p><p>Images of 30 seconds' exposure time were collected using a 4×4K <a href="/facts/Charge-coupled_device/l6xffIcz">charge-coupled device</a> at intervals and then compared with software. </p><p>The survey ended in July 2013 after funding was discontinued. </p>