unity 2d object movement in curve pattern towards the centre of circle

public class Oscillator : MonoBehaviour
    {
        Vector3 movementVector;
        public float speed;

        void Start()
        {
            speed = 1.0f;
            movementVector = new Vector3(1.0f, 0.0f, 0.0f);
        }
        
        void Update()
        {
            transform.Translate(movementVector * Time.deltaTime);
            movementVector = Quaternion.Euler(0, 0, 5.0f) * movementVector;
        }
    }