public override void AddCelestialObject(Orbitable child)
{
_parent.AddCelestialObject(child);
}
protected Orbitable(CelestialObject parent)
{
_parent = parent;
_parent.AddCelestialObject(this);
}
protected Orbitable(CelestialObject parent, string name) : base(name)
{
_parent = parent;
_parent.AddCelestialObject(this);
}