private void AddToStartingPath(CelestialBody celestialBody)
        {
            celestialBody.AddToStartingPath(false);

            if (celestialBody.PathPriority == int.MinValue)
                celestialBody.PathPriority = GetLowestPathPriority(CelestialBodies) - 1;

            Path.AddCelestialBody(celestialBody, false);
            PathPreview.AddCelestialBody(celestialBody, false);
        }