the orbsi.uk orbit simulator
simulations menu
<?xml version="1.0" encoding="UTF-8"?>
<system>
<all>
<description>system=4f periodRatio=7:1 massRatio=1:8:1</description>
<step>0.25</step>
</all>
<body>
<type>star</type>
<name>A</name>
<color>orange</color>
<mass>1</mass>
<pX>0.847593</pX>
<vY>-3.06284</vY>
</body>
<body>
<type>star</type>
<name>B</name>
<color>green</color>
<mass>8</mass>
<pX>0.179318</pX>
<vY>0.606968</vY>
</body>
<body>
<type>star</type>
<name>C</name>
<color>blue</color>
<mass>1</mass>
<pX>-2.28214</pX>
<vY>-1.7929</vY>
</body>
</system>