def PNT2Tidal_Pv12(XA):
    """ TaylorT2 1PN Quadrupolar Tidal Coefficient, v^12 Phasing Term. 

   XA = mass fraction of object """
    XATo2nd = XA * XA
    XATo3rd = XATo2nd * XA
    return (15895 / 56 - 4595 * XA / 56 - 5715 * XATo2nd / 28 + 325 *
        XATo3rd / 14)
