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Created February 28, 2017 21:25
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TRAPPIST-1 Universe Sandbox
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<System xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<!--
Sources:
http://www.trappist.one/#system
http://www.trappist.one/system/
https://exoplanets.nasa.gov/trappist1/
https://en.wikipedia.org/wiki/TRAPPIST-1
http://exoplanet.eu/catalog/trappist-1_b/
http://www.exoplanetkyoto.org/exohtml/TRAPPIST-1.html
http://www.eso.org/public/archives/releases/sciencepapers/eso1706/eso1706a.pdf
Other references:
https://celestiaproject.net/forum/viewtopic.php?f=7&t=17617
-->
<Body>
<Name>TRAPPIST-1</Name>
<NameAlt>2MASS J23062928-0502285</NameAlt>
<Type>Star</Type>
<Mass>.08 s</Mass>
<Density>50.7 s</Density>
<Diameter>.117 s</Diameter>
<Luminosity>0.000525</Luminosity>
<Temperature>2559</Temperature>
<Metallicity>0.04</Metallicity>
<Rotation>1.4 d</Rotation>
<RotationPeriod>33.5083</RotationPeriod>
<Distance>12.1 pc</Distance>
<RA>346.62083 h</RA>
<Dec>-5.041222</Dec>
<AbsMag>18.39</AbsMag>
<Mag>18.80</Mag>
<Spectrum>M8</Spectrum>
<RadVel>-56.3</RadVel>
<!-- Proper Motion: http://simbad.u-strasbg.fr/simbad/sim-id?Ident=TRAPPIST-1 -->
<PMRA>922.1</PMRA>
<PMDec>-471.9</PMDec>
<!-- Unkowns -->
<HipID></HipID>
<GLID></GLID>
<StarID></StarID>
<ColorIndexBV>2</ColorIndexBV>
<!-- Appearance -->
<VelocityX>0</VelocityX>
<VelocityY>0</VelocityY>
<VelocityZ>0</VelocityZ>
<Settings>backgroundorientation=real ; tag=featured</Settings>
</Body>
<Body>
<Name>TRAPPIST-1 b</Name>
<Type>Planet</Type>
<Diameter>1.086 e</Diameter>
<Mass>0.8584 e</Mass>
<Density>0.66 e</Density>
<Orbit>body=TRAPPIST-1 ; a=0.0111 au ; e=0 ; i=89.65 ; node=0 ; peri=0 ; m=0 </Orbit>
<!-- Unkowns -->
<HorizonID></HorizonID>
<HorizonName></HorizonName>
<Obliquity></Obliquity>
<RotationPeriod>36.1619374019</RotationPeriod>
<Notes></Notes>
<!-- Appearance -->
<!-- BUG: setting Object overrides RotationPeriod
<Object>Mars</Object> -->
<Color>Red</Color>
</Body>
<Body>
<Name>TRAPPIST-1 c</Name>
<Type>Planet</Type>
<Diameter>1.056 e</Diameter>
<Mass>1.3799 e</Mass>
<Density>1.17 e</Density>
<Orbit>body=TRAPPIST-1 ; a=0.01521 au ; e=0 ; i=89.67 ; node=0 ; peri=0 ; m=0 </Orbit>
<!-- Unkowns -->
<Obliquity></Obliquity>
<RotationPeriod>57.9651297738</RotationPeriod>
<Notes></Notes>
<!-- Appearance -->
<!-- <Object>Venus</Object> -->
<Color>Orange</Color>
</Body>
<Body>
<Name>TRAPPIST-1 d</Name>
<Type>Planet</Type>
<Diameter>0.7723 e</Diameter>
<Mass>0.4133 e</Mass>
<Density>0.89 e</Density>
<Orbit>body=TRAPPIST-1 ; a=0.02144 au ; e=0 ; i=89.75 ; node=0 ; peri=0 ; m=0 </Orbit>
<!-- Unkowns -->
<Obliquity></Obliquity>
<RotationPeriod>96.925390545</RotationPeriod>
<Notes></Notes>
<!-- Appearance -->
<!-- <Object>Mars</Object> -->
<Color>Yellow</Color>
</Body>
<Body>
<Name>TRAPPIST-1 e</Name>
<Type>Planet</Type>
<Diameter>0.9180 e</Diameter>
<Mass>0.6359 e</Mass>
<Density>0.80 e</Density>
<Orbit>body=TRAPPIST-1 ; a=0.02817 au ; e=0 ; i=89.86 ; node=0 ; peri=0 ; m=0 </Orbit>
<!-- Unkowns -->
<Obliquity></Obliquity>
<RotationPeriod>145.991235217</RotationPeriod>
<Notes></Notes>
<!-- Appearance -->
<!-- <Object>Earth</Object> -->
<Color>Green</Color>
</Body>
<Body>
<Name>TRAPPIST-1 f</Name>
<Type>Planet</Type>
<Diameter>1.0450 e</Diameter>
<Mass>0.6677 e</Mass>
<Density>0.60 e</Density>
<Orbit>body=TRAPPIST-1 ; a=0.0371 au ; e=0 ; i=89.68 ; node=0 ; peri=0 ; m=0 </Orbit>
<!-- Unkowns -->
<Obliquity></Obliquity>
<RotationPeriod>220.357521805</RotationPeriod>
<Notes></Notes>
<!-- Appearance -->
<!-- <Object>Earth</Object> -->
<Color>Blue</Color>
</Body>
<Body>
<Name>TRAPPIST-1 g</Name>
<Type>Planet</Type>
<Diameter>1.1265 e</Diameter>
<Mass>1.3417 e</Mass>
<Density>0.94 e</Density>
<Orbit>body=TRAPPIST-1 ; a=0.0451 au ; e=0 ; i=89.71 ; node=0 ; peri=0 ; m=0 </Orbit>
<!-- Unkowns -->
<Obliquity></Obliquity>
<RotationPeriod>295.66144243</RotationPeriod>
<Notes></Notes>
<!-- Appearance -->
<!-- <Object>Venus</Object> -->
<Color>Magenta</Color>
</Body>
<Body>
<Name>TRAPPIST-1 h</Name>
<Type>Planet</Type>
<Diameter>0.7555 e</Diameter>
<Mass>0.3624 e</Mass>
<Orbit>body=TRAPPIST-1 ; a=0.063 au ; e=0 ; i=89.80 ; node=0 ; peri=0 ; m=0 </Orbit>
<!-- Unkowns -->
<Density></Density>
<Obliquity></Obliquity>
<RotationPeriod>478.69</RotationPeriod>
<Notes></Notes>
<!-- Appearance -->
<!-- <Object>Mars</Object> -->
<Color>Purple</Color>
</Body>
</System>
@lkraider
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TRAPPIST-1.ubox (this file zipped and renamed as ubox):
https://en.file-upload.net/download-12344114/TRAPPIST-1.ubox.html

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