Example
solarsystem name="Sol" class="G" position="0 0 0" color="255 255 130" ambient="255 255 255"
solarsystem name="Sol"
The Name of the Solarsystem, as far as I can tell best to keep these unique.
class="G"
The Class of Star the sun is
O :- Blue
B :- Blue White
A :- White
F :- Yellow White
G :- Yellow
K :- Orange
M :- Red
position="0 0 0"
Where it is in your galaxy, 0 0 0 is dead centre with the middle being the height axis.