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        <title>Cesium</title>
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        <description>Cesium

References

Cesium

&lt;https://cesium.com/&gt;</description>
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        <title>GMAT</title>
        <link>https://www.daiphys.com/portal/aerospace/tools/gmat.html?rev=1721754036&amp;do=diff</link>
        <description>GMAT

License

&lt;https://sourceforge.net/projects/gmat/&gt;


	*  Apache License Version 2.0

Installation on Linux/Ubuntu

&lt;https://sourceforge.net/projects/gmat/&gt;

wget https://jaist.dl.sourceforge.net/project/gmat/GMAT/GMAT-R2022a/gmat-ubuntu-x64-R2022a.tar.gz
tar xvfz gmat-ubuntu-x64-R2022a.tar.gzcd GMAT/R2022a/bin## Console
./GmatConsole --help</description>
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        <title>Tools</title>
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	* Cesium
	* GMAT
	* Orekit
	* SPICE
	* STK
	* SVA</description>
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        <title>Orekit</title>
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        <description>Orekit

References

Orekit

&lt;https://www.orekit.org/&gt;</description>
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        <title>SPICE</title>
        <link>https://www.daiphys.com/portal/aerospace/tools/spice.html?rev=1721721181&amp;do=diff</link>
        <description>SPICE

References

SPICE (NAIF/JPL/NASA)

&lt;https://naif.jpl.nasa.gov/&gt;

&lt;https://naif.jpl.nasa.gov/naif/SPICE_aware_Tools_List.pdf&gt;


&lt;https://github.com/AndrewAnnex/SpiceyPy&gt;

&lt;https://aerith7.hatenablog.com/entry/2017/12/23/181101&gt;

&lt;https://qiita.com/eriksoon/items/5c638d43afa9c2c5b380&gt;</description>
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        <dc:date>2026-04-03T05:21:20+00:00</dc:date>
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        <title>STK</title>
        <link>https://www.daiphys.com/portal/aerospace/tools/stk.html?rev=1775193680&amp;do=diff</link>
        <description>STK

Basics

&lt;https://help.agi.com/stk/&gt;


Tips

	*  ObjectのAccess Constraintを後から追加する際は自動更新をOFFもしくは過去のAccess Calculation結果を消してから設定したうえで最後に再計算すると処理が格段に早い

Information - Importing Files</description>
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        <dc:date>2025-04-13T08:22:38+00:00</dc:date>
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        <title>SVA</title>
        <link>https://www.daiphys.com/portal/aerospace/tools/sva.html?rev=1744532558&amp;do=diff</link>
        <description>SVA

References

Spheresoft

&lt;https://www.spheresoft.jp/&gt;</description>
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