def METHOD_NAME(self, a, prange=[0.367, 0.367]):
    """
    Helper function for calculating albedo given the semi-major axis.
    The prototype provides only a dummy function that always returns the
    same value of 0.367.
    Args:
        a (~astropy.units.Quantity(~numpy.ndarray(float))):
           Semi-major axis values
    Returns:
        ~numpy.ndarray(float):
            Albedo values
    """
    p = np.random.uniform(low=prange[0], high=prange[1], size=a.size)
    return p