var flyer = document.getElementById("flyer");
            var astronaut = document.getElementById("astronaut");
            var requestId = undefined;
            var i = 0.3;
            var posX = 500;
            var posY;
            var rota;
            var heightA = 245;
            var radius = Math.min(window.innerHeight / 3, window.innerWidth / 3);


            function animate(timestamp) {
                i = timestamp / 2000;
                posXA = Math.cos(i) * 500 + 500;
                posYA = Math.sin(i) * 300 + 300;
                posY = Math.sin(i) * radius + 200;
                if (posX < -250) {
                    posX = window.innerWidth + 20;
                } else {
                    posX -= 2;
                }
                flyer.style.left = posX + "px";
                flyer.style.top = posY + "px";
                astronaut.style.right = posXA + "px";
                astronaut.style.top = posYA + "px";
                rota = Math.sin(i/5) * 40;
                heightA = ( Math.sin(i)) * 70 + 175;
                astronaut.height = heightA;
                
                astronaut.style.transform = "rotate(" + rota + "deg)";
                
                rota = Math.sin(i) * 90;
                requestID = requestAnimationFrame(animate);
            }
            requestID = requestAnimationFrame(animate);