 1171 Rusthawelia

1171 Rusthawelia, provisional designation , is a large and dark background asteroid, approximately in diameter, located in the outer regions of the asteroid belt.It was discovered on 3 October 1930, by Belgian astronomer Sylvain Arend at the Royal Observatory of Belgium in Uccle, and was actually an unnoticed rediscovery of a lost minor planet then known as "Adelaide".