int CountChain(OrbitPair item)
{
if (item.Orbits == null)
{
return(0);
}
return(1 + CountChain(item.Orbits));
}
IEnumerable <OrbitPair> GetPathToUniversalCOM(OrbitPair obj)
{
while (obj != null)
{
yield return(obj);
obj = obj.Orbits;
}
}
