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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">(8900) AAVSO</span></h1>
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<table aria-label="Kenndaten des Asteroiden" class="wikitable infobox float-right ibtable" id="Vorlage_Infobox_Asteroid">

<tbody><tr>
<th colspan="2" class="ibheader"><a href="Asteroid" title="Asteroid">Asteroid</a><br>(8900) AAVSO
</th></tr>
<tr style="display:none;">
<td colspan="2" class="ibimage notheme">
</td></tr>
<tr style="display:none;">
<td colspan="2" class="ibimgtxt notheme">{{{Bildtext}}}
</td></tr>
<tr style="display:none;">
<td colspan="2" class="ibimage notheme">{{{Bild2}}}
</td></tr>
<tr style="display:none;">
<td colspan="2" class="ibimgtxt notheme">{{{Bildtext2}}}
</td></tr>
<tr>
<th colspan="2" class="ibheader"><a href="Bahnelement" title="Bahnelement">Eigenschaften</a> des <a href="Umlaufbahn" title="Umlaufbahn">Orbits</a> <span style="font-weight:normal;"><i><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=8900&amp;view=VOSPDCA">Animation</a></i></span><div style="font-size:85%;"><a href="Epoche_(Astronomie)" title="Epoche (Astronomie)">Epoche:</a> 21.&nbsp;November&nbsp;2025 (<a href="Julianisches_Datum" title="Julianisches Datum">JD</a>&nbsp;2.461.000,5)
</div>
</th></tr>
<tr>
<td class="ibleft">Orbittyp
</td>
<td>Mittlerer <a href="Asteroideng%C3%BCrtel" title="Asteroidengürtel">Hauptgürtel</a>
</td></tr>
<tr style="display:none;">
<td class="ibleft">Asteroidenfamilie
</td>
<td>
</td></tr>
<tr>
<td class="ibleft"><a href="Halbachsen_der_Ellipse" title="Halbachsen der Ellipse">Große Halbachse</a>
</td>
<td class="ibnowrap">2,536&nbsp;<a href="Astronomische_Einheit" title="Astronomische Einheit">AE</a>
</td></tr>
<tr>
<td class="ibleft"><a href="Exzentrizit%C3%A4t_(Astronomie)" title="Exzentrizität (Astronomie)">Exzentrizität</a>
</td>
<td class="ibnowrap">0,147
</td></tr>
<tr style="display:none;">
<td class="ibleft"><a href="Apsis_(Astronomie)" title="Apsis (Astronomie)">Perihel&nbsp;– Aphel</a>
</td>
<td class="ibnowrap">NaN&nbsp;AE&nbsp;–&nbsp;NaN&nbsp;AE
</td></tr>
<tr>
<td class="ibleft"><a href="Apsis_(Astronomie)" title="Apsis (Astronomie)">Perihel&nbsp;– Aphel</a>
</td>
<td class="ibnowrap">2,1637&nbsp;AE&nbsp;–&nbsp;2,9081&nbsp;AE
</td></tr>
<tr>
<td class="ibleft"><a href="Bahnneigung" title="Bahnneigung">Neigung der Bahnebene</a>
</td>
<td class="ibnowrap">8,730°
</td></tr>
<tr>
<td class="ibleft"><a href="L%C3%A4nge_des_aufsteigenden_Knotens" title="Länge des aufsteigenden Knotens">Länge des aufsteigenden Knotens</a>
</td>
<td class="ibnowrap">232,1719°
</td></tr>
<tr>
<td class="ibleft"><a href="Argument_der_Periapsis" title="Argument der Periapsis">Argument der Periapsis</a>
</td>
<td class="ibnowrap">99,9690°
</td></tr>
<tr>
<td class="ibleft">Zeitpunkt des Periheldurchgangs
</td>
<td>26.&nbsp;September 2027
</td></tr>
<tr>
<td class="ibleft"><a href="Siderische_Periode" title="Siderische Periode">Siderische Umlaufperiode</a>
</td>
<td class="ibnowrap">1475,01 <a href="Tag" title="Tag">d</a>
</td></tr>
<tr style="display:none;">
<td class="ibleft"><a href="Siderische_Periode" title="Siderische Periode">Siderische Umlaufzeit</a>
</td>
<td class="ibnowrap">4,04 <a href="Jahr" title="Jahr">a</a>
</td></tr>
<tr>
<td class="ibleft">Mittlere <a href="Bahngeschwindigkeit_(Astronomie)" title="Bahngeschwindigkeit (Astronomie)">Orbital­geschwin­digkeit</a>
</td>
<td class="ibnowrap">18,69 km/s
</td></tr>
<tr style="display:none;">
<td class="ibleft">Mittlere <a href="Bahngeschwindigkeit_(Astronomie)" title="Bahngeschwindigkeit (Astronomie)">Orbital­geschwin­digkeit</a>
</td>
<td class="ibnowrap">NaN km/s
</td></tr>
<tr>
<td colspan="2" class="ibheader">Physikalische Eigenschaften
</td></tr>
<tr>
<td class="ibleft">Mittlerer <a href="Durchmesser" title="Durchmesser">Durchmesser</a>
</td>
<td class="ibnowrap">5,792 ± 0,320 <a href="Meter#km" title="Meter">km</a>
</td></tr>
<tr style="display:none;">
<td class="ibleft">Abmessungen
</td>
<td class="ibnowrap">{{{Abmessungen}}}
</td></tr>
<tr style="display:none;">
<td class="ibleft"><a href="Masse_(Physik)" title="Masse (Physik)">Masse</a>
</td>
<td class="ibnowrap"><span style="display:none;">Vorlage:Infobox Asteroid/Wartung/Masse</span> kg
</td></tr>
<tr>
<td class="ibleft"><a href="Albedo" title="Albedo">Albedo</a>
</td>
<td class="ibnowrap">0,276 ± 0,038
</td></tr>
<tr style="display:none;">
<td class="ibleft">Mittlere <a href="Dichte" title="Dichte">Dichte</a>
</td>
<td class="ibnowrap">g/cm³
</td></tr>
<tr>
<td class="ibleft">Rotationsperiode
</td>
<td class="ibnowrap">3,839 <a href="Stunde" title="Stunde">h</a>
</td></tr>
<tr>
<td class="ibleft"><a href="Absolute_Helligkeit" title="Absolute Helligkeit">Absolute Helligkeit</a>
</td>
<td class="ibnowrap">13,63 mag
</td></tr>
<tr style="display:none;">
<td class="ibleft"><a href="Asteroid#Klassifikationsschemata_von_Asteroiden" title="Asteroid">Spektralklasse</a>
</td>
<td class="ibnowrap">
</td></tr>
<tr style="display:none;">
<td class="ibleft"><a href="Asteroid#Klassifikationsschemata_von_Asteroiden" title="Asteroid">Spektralklasse</a><br><small>(nach <a href="Tholen_(Klassifikation)" class="mw-redirect" title="Tholen (Klassifikation)">Tholen</a>)</small>
</td>
<td class="ibnowrap">{{{Tholen}}}
</td></tr>
<tr style="display:none;">
<td class="ibleft"><a href="Asteroid#Klassifikationsschema_nach_Tholen" title="Asteroid">Spektralklasse</a><br><small>(nach <a href="https://en.wikipedia.org/wiki/Asteroid_spectral_types" class="extiw external" title="en:Asteroid spectral types">SMASSII</a>)</small>
</td>
<td class="ibnowrap">{{{Smass}}}
</td></tr>
<tr>
<td colspan="2" class="ibheader">Geschichte
</td></tr>
<tr>
<td class="ibleft">Entdecker
</td>
<td><a href="Dennis_di_Cicco" title="Dennis di Cicco">Dennis di Cicco</a>
</td></tr>
<tr>
<td class="ibleft">Datum der Entdeckung
</td>
<td class="ibnowrap">24. Oktober 1995
</td></tr>
<tr>
<td class="ibleft"><a href="Benennung_von_Asteroiden_und_Kometen" title="Benennung von Asteroiden und Kometen">Andere Bezeichnung</a>
</td>
<td><b>1995&nbsp;UD<sub>2</sub></b>, 1979&nbsp;UV, 1987&nbsp;SX<sub>16</sub>, 1989&nbsp;EU<sub>2</sub>
</td></tr>
<tr>
<td colspan="2" class="ibsource"><b>Quelle:</b> Wenn nicht einzeln anders angegeben, stammen die Daten vom <a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=8900&amp;view=VOSPDCA">JPL Small-Body Database</a>. Die Zugehörigkeit zu einer Asteroidenfamilie wird automatisch aus der <a rel="nofollow" class="external text" href="https://newton.spacedys.com/astdys/">AstDyS-2 Datenbank</a> ermittelt. Bitte auch den Hinweis zu Asteroidenartikeln beachten.
</td></tr></tbody></table><div style="display:none;">Vorlage:Infobox Asteroid/Wartung/Umlaufdauer</div>
<p><b>(8900) AAVSO</b> ist ein <a href="Asteroid" title="Asteroid">Asteroid</a> des mittleren <a href="Asteroideng%C3%BCrtel" title="Asteroidengürtel">Hauptgürtels</a>, der am 24. Oktober 1995 vom <a href="Vereinigte_Staaten" title="Vereinigte Staaten">US-amerikanischen</a> <a href="Amateurastronom" class="mw-redirect" title="Amateurastronom">Amateurastronomen</a> <a href="Dennis_di_Cicco" title="Dennis di Cicco">Dennis di Cicco</a> an seinem privaten <a href="Observatorium" title="Observatorium">Observatorium</a> in <a href="Sudbury_(Massachusetts)" title="Sudbury (Massachusetts)">Sudbury</a> (<a href="Liste_der_Sternwarten-Codes" title="Liste der Sternwarten-Codes">IAU-Code</a> 817) entdeckt wurde.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
</p><p>Er wurde am 1. Mai 2003 nach der <a href="American_Association_of_Variable_Star_Observers" title="American Association of Variable Star Observers">American Association of Variable Star Observers</a> benannt, die im Jahre 1911 gegründet wurde.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading2"><h2 id="Siehe_auch">Siehe auch</h2></div>
<ul><li><a href="Liste_der_Asteroiden" title="Liste der Asteroiden">Liste der Asteroiden</a></li></ul>
<div class="mw-heading mw-heading2"><h2 id="Weblinks">Weblinks</h2></div>
<ul><li><a rel="nofollow" class="external text" href="https://minorplanetcenter.net//iau/lists/NumberedMPs005001.html">Asteroid AAVSO: Discovery Circumstances gemäß dem Minor Planet Center der Internationalen Astronomischen Union bei dem Harvard-Smithsonian Center for Astrophysics, Cambridge, USA</a></li>
<li><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=AAVSO">Asteroid AAVSO in der Small-Body Database des Jet Propulsion Laboratory der NASA bei dem California Institute of Technology, Pasadena, USA</a></li>
<li><a rel="nofollow" class="external text" href="https://newton.spacedys.com/astdys/index.php?pc=1.1.0&amp;n=8900">(8900) AAVSO</a> in der Datenbank der „Asteroids – Dynamic Site“ (AstDyS-2, englisch).</li></ul>
<div class="mw-heading mw-heading2"><h2 id="Einzelnachweise">Einzelnachweise</h2></div>
<ol class="references">
<li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=8900">JPL Small Body Database</a></span>
</li>
<li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.minorplanetcenter.net/iau/ECS/MPCArchive/2003/MPC_20030501.pdf">Minor Planet Circ. 48388</a></span>
</li>
</ol>
<table class="hintergrundfarbe1 rahmenfarbe1" align="center" cellspacing="0" style="width:100%; font-size:100%; border-style:solid; padding:0em; font-size:100%; text-align:center; border-collapse:collapse; vertical-align:top; margin-top:1em; margin-bottom:1em; line-height:150%;"><tbody><tr><td style="width:35%; vertical-align:bottom;"><b>Nummer davor</b></td><td style="width:30%; vertical-align:bottom;"><b><a href="Liste_der_Asteroiden" title="Liste der Asteroiden">Asteroiden in nummerierter Reihenfolge</a></b></td><td style="width:35%; vertical-align:bottom;"><b>Nummer danach</b></td></tr><tr><td class="rahmenfarbe1" style="vertical-align:top; border-style:solid; border-width:0; border-top-width:0.1em; border-bottom-width:0.1em;"><a href="(8899)_Hughmiller" title="(8899) Hughmiller">(8899) Hughmiller</a></td><td class="rahmenfarbe1" style="vertical-align:top; border-style:solid; border-width:0.1em 0em;">(8900) AAVSO</td><td class="rahmenfarbe1" style="vertical-align:top; border-style:solid; border-width:0; border-top-width:0.1em; border-bottom-width:0.1em;">(8901) 1995 UJ<sub>4</sub></td></tr></tbody></table></div><!--htdig_noindex--><div><div class="zim-footer">
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