private Particle setShip() {
        double diffX = earth.x - sun.x;
        double diffY = earth.y - sun.y;

        double angle = Math.atan2(diffY, diffX) + Math.toRadians(ship_launchAngle);

        double shipRad = 50;

        double x = earth.x + ((earth.radius + shipRad + ship_height) * Math.cos(angle));
        double y = earth.y + ((earth.radius + shipRad + ship_height) * Math.sin(angle));

        double vel = (ship_vo);
        double Vx = earth.velX + vel * Math.cos((Math.PI / 2) + angle);
        double Vy = earth.velY + vel * Math.sin((Math.PI / 2) + angle);

        return new Particle(x, y, Vx, Vy, ship_radius, ship_mass);
    }