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<p class="MsoNormal"><span lang="EN-US">According to orbital predictions from United States Joint Space Operations Center (JSpOC) the OSCAR 7 amateur radio satellite is heading for a close call with orbital space debris on Monday, February 18 at 22:06 UTC.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Please post your AO-7 reception reports after this event via
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">amsat-bb@amsat.org and also via the Live OSCAR Satellite Status
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Page at: http://oscar.dcarr.org/<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The near-miss is predicted with the following parameters:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Primary Object: OSCAR 7 (SCC# 7530)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Secondary Object: SCC# 18116<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Time of Closest Approach: 18 FEB 2013 22:06 UTC<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Overall miss distance: 57 meters<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Radial (dU) miss distance: 25 meters<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">In-Track (dV) miss distance: -25 meters<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Cross-track (dW) miss distance: 46 meters<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Primary Radial Error (U): 11 meters<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Primary In-Track Error (U): 57 meters<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Primary Cross-track Error (U): 6 meters<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Secondary Radial Error (U): 12 meters<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Secondary In-Track Error (U): 55 meters<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Secondary Cross-Track Error (U): 11 meters<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Fonte: Drew Glasbrenner, KO4MA and United States Joint Space Operations Center<o:p></o:p></span></p>
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