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	<id>https://gentleman.cnes.fr/index.php?action=history&amp;feed=atom&amp;title=What_is_Opossum</id>
	<title>What is Opossum - Historique des versions</title>
	<link rel="self" type="application/atom+xml" href="https://gentleman.cnes.fr/index.php?action=history&amp;feed=atom&amp;title=What_is_Opossum"/>
	<link rel="alternate" type="text/html" href="https://gentleman.cnes.fr/index.php?title=What_is_Opossum&amp;action=history"/>
	<updated>2026-04-30T16:12:11Z</updated>
	<subtitle>Historique des versions pour cette page sur le wiki</subtitle>
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	<entry>
		<id>https://gentleman.cnes.fr/index.php?title=What_is_Opossum&amp;diff=92&amp;oldid=prev</id>
		<title>Admin le 7 septembre 2021 à 11:58</title>
		<link rel="alternate" type="text/html" href="https://gentleman.cnes.fr/index.php?title=What_is_Opossum&amp;diff=92&amp;oldid=prev"/>
		<updated>2021-09-07T11:58:58Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;fr&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Version précédente&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version du 7 septembre 2021 à 11:58&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Ligne 1 :&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Ligne 1 :&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;font color=#556B2F&amp;gt;&#039;&#039;&#039;OPOSSUM&#039;&#039;&#039;&amp;lt;/font&amp;gt; is is a tool allowing to build one &amp;lt;font color=#FF8C00 title=&quot;Two Lines &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Element&lt;/del&gt;&quot;&amp;gt;TLE&amp;lt;/font&amp;gt; or a series of &amp;lt;font color=#FF8C00 title=&quot;Two Lines Elements&quot;&amp;gt;TLEs&amp;lt;/font&amp;gt; thanks to a previous numerical propagation by using [http://psimu.cnes.fr &#039;&#039;&#039;PSIMU&#039;&#039;&#039;].&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;font color=#556B2F&amp;gt;&#039;&#039;&#039;OPOSSUM&#039;&#039;&#039;&amp;lt;/font&amp;gt; is is a tool allowing to build one &amp;lt;font color=#FF8C00 title=&quot;Two Lines &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Elements&lt;/ins&gt;&quot;&amp;gt;TLE&amp;lt;/font&amp;gt; or a series of &amp;lt;font color=#FF8C00 title=&quot;Two Lines Elements&quot;&amp;gt;TLEs&amp;lt;/font&amp;gt; thanks to a previous numerical propagation by using [http://psimu.cnes.fr &#039;&#039;&#039;PSIMU&#039;&#039;&#039;].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;font color=#556B2F&amp;gt;&amp;#039;&amp;#039;&amp;#039;OPOSSUM&amp;#039;&amp;#039;&amp;#039;&amp;lt;/font&amp;gt; is usable via three modes:&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;font color=#556B2F&amp;gt;&amp;#039;&amp;#039;&amp;#039;OPOSSUM&amp;#039;&amp;#039;&amp;#039;&amp;lt;/font&amp;gt; is usable via three modes:&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l9&quot;&gt;Ligne 9 :&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Ligne 9 :&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Its initialization is made by:  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Its initialization is made by:  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* A set of parameters to know how to build this (these) &amp;lt;font color=#FF8C00 title=&quot;Two Lines &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Element&lt;/del&gt;&quot;&amp;gt;TLE&amp;lt;/font&amp;gt; (s).&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* A set of parameters to know how to build this (these) &amp;lt;font color=#FF8C00 title=&quot;Two Lines &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Elements&lt;/ins&gt;&quot;&amp;gt;TLE&amp;lt;/font&amp;gt; (s).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* A set of parameters needed to propagate the [http://psimu.cnes.fr &amp;#039;&amp;#039;&amp;#039;PSIMU&amp;#039;&amp;#039;&amp;#039;] trajectory (initial orbit, vehicle characteristics, attitude, maneuvers, …).&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* A set of parameters needed to propagate the [http://psimu.cnes.fr &amp;#039;&amp;#039;&amp;#039;PSIMU&amp;#039;&amp;#039;&amp;#039;] trajectory (initial orbit, vehicle characteristics, attitude, maneuvers, …).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;

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&lt;/table&gt;</summary>
		<author><name>Admin</name></author>
	</entry>
	<entry>
		<id>https://gentleman.cnes.fr/index.php?title=What_is_Opossum&amp;diff=26&amp;oldid=prev</id>
		<title>Admin le 7 septembre 2021 à 07:26</title>
		<link rel="alternate" type="text/html" href="https://gentleman.cnes.fr/index.php?title=What_is_Opossum&amp;diff=26&amp;oldid=prev"/>
		<updated>2021-09-07T07:26:19Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;fr&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Version précédente&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version du 7 septembre 2021 à 07:26&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l14&quot;&gt;Ligne 14 :&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Ligne 14 :&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;font color=#FF8C00 title=&amp;quot;Two Lines Elements&amp;quot;&amp;gt;TLE&amp;lt;/font&amp;gt; will be displayed both in a console and in a file. Moreover, some plots are available to interpret the results.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;font color=#FF8C00 title=&amp;quot;Two Lines Elements&amp;quot;&amp;gt;TLE&amp;lt;/font&amp;gt; will be displayed both in a console and in a file. Moreover, some plots are available to interpret the results.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For flight dynamics aspects, &amp;lt;font color=#556B2F&amp;gt;&#039;&#039;&#039;OPOSSUM&#039;&#039;&#039;&amp;lt;/font&amp;gt; is fully based on the [http://patrius.cnes.fr PATRIUS] library and specially [http://psimu.cnes.fr &#039;&#039;&#039;PSIMU&#039;&#039;&#039; about the orbit numerical propagation.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For flight dynamics aspects, &amp;lt;font color=#556B2F&amp;gt;&#039;&#039;&#039;OPOSSUM&#039;&#039;&#039;&amp;lt;/font&amp;gt; is fully based on the [http://patrius.cnes.fr PATRIUS] library and specially [http://psimu.cnes.fr &#039;&#039;&#039;PSIMU&#039;&#039;&#039;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;] &lt;/ins&gt;about the orbit numerical propagation.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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&lt;/table&gt;</summary>
		<author><name>Admin</name></author>
	</entry>
	<entry>
		<id>https://gentleman.cnes.fr/index.php?title=What_is_Opossum&amp;diff=7&amp;oldid=prev</id>
		<title>Admin le 7 septembre 2021 à 06:49</title>
		<link rel="alternate" type="text/html" href="https://gentleman.cnes.fr/index.php?title=What_is_Opossum&amp;diff=7&amp;oldid=prev"/>
		<updated>2021-09-07T06:49:31Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;fr&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Version précédente&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version du 7 septembre 2021 à 06:49&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l10&quot;&gt;Ligne 10 :&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Ligne 10 :&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* A set of parameters to know how to build this (these) &amp;lt;font color=#FF8C00 title=&amp;quot;Two Lines Element&amp;quot;&amp;gt;TLE&amp;lt;/font&amp;gt; (s).&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* A set of parameters to know how to build this (these) &amp;lt;font color=#FF8C00 title=&amp;quot;Two Lines Element&amp;quot;&amp;gt;TLE&amp;lt;/font&amp;gt; (s).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* A set of parameters needed to propagate the [http://psimu.cnes.fr &#039;&#039;&#039;PSIMU&#039;&#039;&#039;] trajectory (initial orbit, vehicle characteristics, attitude, maneuvers, …)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;,&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* A set of parameters needed to propagate the [http://psimu.cnes.fr &#039;&#039;&#039;PSIMU&#039;&#039;&#039;] trajectory (initial orbit, vehicle characteristics, attitude, maneuvers, …)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;font color=#FF8C00 title=&amp;quot;Two Lines Elements&amp;quot;&amp;gt;TLE&amp;lt;/font&amp;gt; will be displayed both in a console and in a file. Moreover, some plots are available to interpret the results.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;font color=#FF8C00 title=&amp;quot;Two Lines Elements&amp;quot;&amp;gt;TLE&amp;lt;/font&amp;gt; will be displayed both in a console and in a file. Moreover, some plots are available to interpret the results.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For flight dynamics aspects, &amp;lt;font color=#556B2F&amp;gt;&amp;#039;&amp;#039;&amp;#039;OPOSSUM&amp;#039;&amp;#039;&amp;#039;&amp;lt;/font&amp;gt; is fully based on the [http://patrius.cnes.fr PATRIUS] library and specially [http://psimu.cnes.fr &amp;#039;&amp;#039;&amp;#039;PSIMU&amp;#039;&amp;#039;&amp;#039; about the orbit numerical propagation.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For flight dynamics aspects, &amp;lt;font color=#556B2F&amp;gt;&amp;#039;&amp;#039;&amp;#039;OPOSSUM&amp;#039;&amp;#039;&amp;#039;&amp;lt;/font&amp;gt; is fully based on the [http://patrius.cnes.fr PATRIUS] library and specially [http://psimu.cnes.fr &amp;#039;&amp;#039;&amp;#039;PSIMU&amp;#039;&amp;#039;&amp;#039; about the orbit numerical propagation.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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&lt;/table&gt;</summary>
		<author><name>Admin</name></author>
	</entry>
	<entry>
		<id>https://gentleman.cnes.fr/index.php?title=What_is_Opossum&amp;diff=6&amp;oldid=prev</id>
		<title>Admin : Page créée avec « &lt;font color=#556B2F&gt;&#039;&#039;&#039;OPOSSUM&#039;&#039;&#039;&lt;/font&gt; is is a tool allowing to build one &lt;font color=#FF8C00 title=&quot;Two Lines Element&quot;&gt;TLE&lt;/font&gt; or a series of &lt;font color=#FF8C00 tit... »</title>
		<link rel="alternate" type="text/html" href="https://gentleman.cnes.fr/index.php?title=What_is_Opossum&amp;diff=6&amp;oldid=prev"/>
		<updated>2021-09-07T06:49:02Z</updated>

		<summary type="html">&lt;p&gt;Page créée avec « &amp;lt;font color=#556B2F&amp;gt;&amp;#039;&amp;#039;&amp;#039;OPOSSUM&amp;#039;&amp;#039;&amp;#039;&amp;lt;/font&amp;gt; is is a tool allowing to build one &amp;lt;font color=#FF8C00 title=&amp;quot;Two Lines Element&amp;quot;&amp;gt;TLE&amp;lt;/font&amp;gt; or a series of &amp;lt;font color=#FF8C00 tit... »&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Nouvelle page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;lt;font color=#556B2F&amp;gt;&amp;#039;&amp;#039;&amp;#039;OPOSSUM&amp;#039;&amp;#039;&amp;#039;&amp;lt;/font&amp;gt; is is a tool allowing to build one &amp;lt;font color=#FF8C00 title=&amp;quot;Two Lines Element&amp;quot;&amp;gt;TLE&amp;lt;/font&amp;gt; or a series of &amp;lt;font color=#FF8C00 title=&amp;quot;Two Lines Elements&amp;quot;&amp;gt;TLEs&amp;lt;/font&amp;gt; thanks to a previous numerical propagation by using [http://psimu.cnes.fr &amp;#039;&amp;#039;&amp;#039;PSIMU&amp;#039;&amp;#039;&amp;#039;].&lt;br /&gt;
&lt;br /&gt;
&amp;lt;font color=#556B2F&amp;gt;&amp;#039;&amp;#039;&amp;#039;OPOSSUM&amp;#039;&amp;#039;&amp;#039;&amp;lt;/font&amp;gt; is usable via three modes:&lt;br /&gt;
&lt;br /&gt;
* &amp;lt;font color=#FF8C00 title=&amp;quot;Graphical User Interface&amp;quot;&amp;gt;GUI&amp;lt;/font&amp;gt;: its utilization is made user-friendly thanks to a graphical user interface (developed using GENIUS and GENOPUS),&lt;br /&gt;
* &amp;lt;font color=#FF8C00&amp;gt;Batch&amp;lt;/font&amp;gt;,&lt;br /&gt;
* Library via its &amp;lt;font color=#FF8C00&amp;gt;Java&amp;lt;/font&amp;gt; &amp;lt;font color=#FF8C00 title=&amp;quot;Application Programming Interface&amp;quot;&amp;gt;API&amp;lt;/font&amp;gt;.&lt;br /&gt;
&lt;br /&gt;
Its initialization is made by: &lt;br /&gt;
&lt;br /&gt;
* A set of parameters to know how to build this (these) &amp;lt;font color=#FF8C00 title=&amp;quot;Two Lines Element&amp;quot;&amp;gt;TLE&amp;lt;/font&amp;gt; (s).&lt;br /&gt;
* A set of parameters needed to propagate the [http://psimu.cnes.fr &amp;#039;&amp;#039;&amp;#039;PSIMU&amp;#039;&amp;#039;&amp;#039;] trajectory (initial orbit, vehicle characteristics, attitude, maneuvers, …),&lt;br /&gt;
&lt;br /&gt;
&amp;lt;font color=#FF8C00 title=&amp;quot;Two Lines Elements&amp;quot;&amp;gt;TLE&amp;lt;/font&amp;gt; will be displayed both in a console and in a file. Moreover, some plots are available to interpret the results.&lt;br /&gt;
&lt;br /&gt;
For flight dynamics aspects, &amp;lt;font color=#556B2F&amp;gt;&amp;#039;&amp;#039;&amp;#039;OPOSSUM&amp;#039;&amp;#039;&amp;#039;&amp;lt;/font&amp;gt; is fully based on the [http://patrius.cnes.fr PATRIUS] library and specially [http://psimu.cnes.fr &amp;#039;&amp;#039;&amp;#039;PSIMU&amp;#039;&amp;#039;&amp;#039; about the orbit numerical propagation.&lt;/div&gt;</summary>
		<author><name>Admin</name></author>
	</entry>
</feed>