https://patrius.cnes.fr/index.php?action=history&feed=atom&title=Tutorials_4.1_Orbits 2026-04-04T10:02:38Z Historique des versions pour cette page sur le wiki MediaWiki 1.43.6 https://patrius.cnes.fr/index.php?title=Tutorials_4.1_Orbits&diff=1889&oldid=prev 2018-12-20T15:41:27Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="fr"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Version précédente</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Version du 20 décembre 2018 à 15:41</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l13">Ligne 13 :</td> <td colspan="2" class="diff-lineno">Ligne 13 :</td></tr> <tr><td class="diff-marker"></td><td style="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;"><div># to propagate this orbit using the keplerian motion (considering only the central term) (for more sophisticated propagations (analytical or numerical ones) see specific tutorials).</div></td><td class="diff-marker"></td><td style="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;"><div># to propagate this orbit using the keplerian motion (considering only the central term) (for more sophisticated propagations (analytical or numerical ones) see specific tutorials).</div></td></tr> <tr><td class="diff-marker"></td><td style="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;"><br></td><td class="diff-marker"></td><td style="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;"><br></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="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;"><div>'''Code example:''' [[<del style="font-weight: bold; text-decoration: none;">CreateKeplerianOrbit</del>|create a Keplerian orbit]]</div></td><td class="diff-marker" data-marker="+"></td><td style="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;"><div>'''Code example:''' [[<ins style="font-weight: bold; text-decoration: none;">CreateKeplerianOrbit_4.1</ins>|create a Keplerian orbit]]</div></td></tr> <tr><td class="diff-marker"></td><td style="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;"><br></td><td class="diff-marker"></td><td style="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;"><br></td></tr> <tr><td class="diff-marker"></td><td style="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;"><div>== Orbital parameters ==</div></td><td class="diff-marker"></td><td style="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;"><div>== Orbital parameters ==</div></td></tr> <tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l23">Ligne 23 :</td> <td colspan="2" class="diff-lineno">Ligne 23 :</td></tr> <tr><td class="diff-marker"></td><td style="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;"><div>Moreover, the advantage of this sublevel is to treat parameters conversions without considering a whole orbit (for example, to convert &lt;font color=#FF0000&gt;keplerian&lt;/font&gt; parameters in &lt;font color=#FF0000&gt;cartesian&lt;/font&gt; ones, it is not necessary to use a &lt;font color=#FF0000&gt;date&lt;/font&gt; or a &lt;font color=#FF0000&gt;frame&lt;/font&gt;).</div></td><td class="diff-marker"></td><td style="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;"><div>Moreover, the advantage of this sublevel is to treat parameters conversions without considering a whole orbit (for example, to convert &lt;font color=#FF0000&gt;keplerian&lt;/font&gt; parameters in &lt;font color=#FF0000&gt;cartesian&lt;/font&gt; ones, it is not necessary to use a &lt;font color=#FF0000&gt;date&lt;/font&gt; or a &lt;font color=#FF0000&gt;frame&lt;/font&gt;).</div></td></tr> <tr><td class="diff-marker"></td><td style="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;"><br></td><td class="diff-marker"></td><td style="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;"><br></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="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;"><div>'''Code example:''' [[<del style="font-weight: bold; text-decoration: none;">CreateKeplerianOrbitUsingParameters</del>|create a Keplerian orbit using parameters]]</div></td><td class="diff-marker" data-marker="+"></td><td style="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;"><div>'''Code example:''' [[<ins style="font-weight: bold; text-decoration: none;">CreateKeplerianOrbitUsingParameters_4.1</ins>|create a Keplerian orbit using parameters]]</div></td></tr> <tr><td class="diff-marker"></td><td style="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;"><br></td><td class="diff-marker"></td><td style="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;"><br></td></tr> <tr><td class="diff-marker"></td><td style="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;"><div>== Orbital parameters conversions ==</div></td><td class="diff-marker"></td><td style="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;"><div>== Orbital parameters conversions ==</div></td></tr> <tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l29">Ligne 29 :</td> <td colspan="2" class="diff-lineno">Ligne 29 :</td></tr> <tr><td class="diff-marker"></td><td style="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;"><div>As explained in the previous tutorial, it is possible to make a lot of conversion between different orbital parameters formats. The following code gives some examples ...</div></td><td class="diff-marker"></td><td style="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;"><div>As explained in the previous tutorial, it is possible to make a lot of conversion between different orbital parameters formats. The following code gives some examples ...</div></td></tr> <tr><td class="diff-marker"></td><td style="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;"><br></td><td class="diff-marker"></td><td style="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;"><br></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="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;"><div>'''Code example:''' [[<del style="font-weight: bold; text-decoration: none;">ParametersConversions</del>|orbital parameters conversions]]</div></td><td class="diff-marker" data-marker="+"></td><td style="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;"><div>'''Code example:''' [[<ins style="font-weight: bold; text-decoration: none;">ParametersConversions_4.1</ins>|orbital parameters conversions]]</div></td></tr> <tr><td class="diff-marker"></td><td style="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;"><br></td><td class="diff-marker"></td><td style="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;"><br></td></tr> <tr><td class="diff-marker"></td><td style="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;"><div>[[Category:Tutorials 4.1]]</div></td><td class="diff-marker"></td><td style="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;"><div>[[Category:Tutorials 4.1]]</div></td></tr> </table>

Admin https://patrius.cnes.fr/index.php?title=Tutorials_4.1_Orbits&diff=1823&oldid=prev 2018-12-18T09:32:45Z

<p>Page créée avec « == What is an orbit ? == An orbit is defined with a &lt;font color=#FF0000&gt;date&lt;/font&gt;, a &lt;font color=#FF0000&gt;frame&lt;/font&gt; then &lt;font color=#FF0000&gt;orbital parameters&lt;/font&gt;... »</p> <p><b>Nouvelle page</b></p><div>== What is an orbit ? ==<br /> <br /> An orbit is defined with a &lt;font color=#FF0000&gt;date&lt;/font&gt;, a &lt;font color=#FF0000&gt;frame&lt;/font&gt; then &lt;font color=#FF0000&gt;orbital parameters&lt;/font&gt;; in the example below, we will use keplerian parameters ...<br /> * semi major axis<br /> * eccentricity<br /> * inclination<br /> * perigee argument<br /> * right ascension of the ascending node<br /> * anomaly (mean, true, eccentric)<br /> <br /> Note that it is mandatory to set the &quot;Mu&quot; value (gravitational constant) for both reasons :<br /> # to be able to convert keplerian parameters to cartesian ones<br /> # to propagate this orbit using the keplerian motion (considering only the central term) (for more sophisticated propagations (analytical or numerical ones) see specific tutorials).<br /> <br /> &#039;&#039;&#039;Code example:&#039;&#039;&#039; [[CreateKeplerianOrbit|create a Keplerian orbit]]<br /> <br /> == Orbital parameters ==<br /> <br /> Rather than to set directly orbital parameters when creating an orbit (see previous tutorial), it is possible to go through an intermediate object including these orbital parameters.<br /> <br /> Then to create an orbit, we will have to set the &lt;font color=#FF0000&gt;date&lt;/font&gt;, the &lt;font color=#FF0000&gt;frame&lt;/font&gt; ... and this object.<br /> <br /> Moreover, the advantage of this sublevel is to treat parameters conversions without considering a whole orbit (for example, to convert &lt;font color=#FF0000&gt;keplerian&lt;/font&gt; parameters in &lt;font color=#FF0000&gt;cartesian&lt;/font&gt; ones, it is not necessary to use a &lt;font color=#FF0000&gt;date&lt;/font&gt; or a &lt;font color=#FF0000&gt;frame&lt;/font&gt;).<br /> <br /> &#039;&#039;&#039;Code example:&#039;&#039;&#039; [[CreateKeplerianOrbitUsingParameters|create a Keplerian orbit using parameters]]<br /> <br /> == Orbital parameters conversions ==<br /> <br /> As explained in the previous tutorial, it is possible to make a lot of conversion between different orbital parameters formats. The following code gives some examples ...<br /> <br /> &#039;&#039;&#039;Code example:&#039;&#039;&#039; [[ParametersConversions|orbital parameters conversions]]<br /> <br /> [[Category:Tutorials 4.1]]</div>

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