Group root = new Group();        
        Scene scene = new Scene(root, 800, 600, Color.GREEN);        
        primaryStage.setScene(scene);
        
        Circle circle = new Circle(150, Color.web("white", 0.09));
        circle.setStrokeType(StrokeType.OUTSIDE);
        circle.setStroke(Color.web("white", 0.16));
        circle.setStrokeWidth(5);            
        root.getChildren().add(circle);
                                
        Timeline timeline = new Timeline();                
        
        KeyValue kvX = new KeyValue(circle.translateXProperty(), 800);
        KeyValue kvY = new KeyValue(circle.translateYProperty(), 600);       
        KeyFrame kf = new KeyFrame(Duration.seconds(5), kvX, kvY);
        
        timeline.getKeyFrames().addAll(kf);
        
        timeline.play();
        primaryStage.show();