It was discovered on 2 August 1949 , by German astronomer Karl Reinmuth at Heidelberg Observatory in southern Germany .
It was later named after the son of Dutch astronomer couple Ingrid and Cornelis van Houten .
It was discovered on 2 August 1949 , by German astronomer Karl Reinmuth at Heidelberg Observatory in southern Germany , and later named after the son of Dutch astronomer couple Ingrid and Cornelis van Houten .