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<?xml version="1.0" encoding="UTF-8"?>
<system>
<all>
<description>orbit precession in the (x=1.06) field (almost harmonic)</description>
<exponent>1.06</exponent>
</all>
<body>
<type>virtual</type>
<name>centre</name>
<mass>1</mass>
</body>
<body>
<pX>1</pX>
<vY>0.4</vY>
<color>orange</color>
</body>
</system>
