def subpnt(method, target, et, fixref, abcorr, obsrvr):
    """
    Compute the rectangular coordinates of the sub-observer point on
    a target body at a specified epoch, optionally corrected for
    light time and stellar aberration.

    This routine supersedes :func:`subpt`.

    http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/subpnt_c.html

    :param method: Computation method.
    :type method: str
    :param target: Name of target body.
    :type target: str
    :param et: Epoch in ephemeris seconds past J2000 TDB.
    :type et: float
    :param fixref: Body-fixed, body-centered target body frame.
    :type fixref: str
    :param abcorr: Aberration correction.
    :type abcorr: str
    :param obsrvr: Name of observing body.
    :type obsrvr: str
    :return:
            Sub-observer point on the target body,
            Sub-observer point epoch,
            Vector from observer to sub-observer point.
    :rtype: tuple
    """
    method = stypes.stringToCharP(method)
    target = stypes.stringToCharP(target)
    et = ctypes.c_double(et)
    fixref = stypes.stringToCharP(fixref)
    abcorr = stypes.stringToCharP(abcorr)
    obsrvr = stypes.stringToCharP(obsrvr)
    spoint = stypes.emptyDoubleVector(3)
    trgepc = ctypes.c_double(0)
    srfvec = stypes.emptyDoubleVector(3)
    libspice.subpnt_c(method, target, et, fixref, abcorr, obsrvr, spoint,
                      ctypes.byref(trgepc), srfvec)
    return stypes.cVectorToPython(spoint), trgepc.value, stypes.cVectorToPython(
            srfvec)
Compute the rectangular coordinates of the sub-observer point on
    a target body at a specified epoch, optionally corrected for
    light time and stellar aberration.

    This routine supersedes :func:`subpt`.

    http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/subpnt_c.html

    :param method: Computation method.
    :type method: str
    :param target: Name of target body.
    :type target: str
    :param et: Epoch in ephemeris seconds past J2000 TDB.
    :type et: float
    :param fixref: Body-fixed, body-centered target body frame.
    :type fixref: str
    :param abcorr: Aberration correction.
    :type abcorr: str
    :param obsrvr: Name of observing body.
    :type obsrvr: str
    :return:
            Sub-observer point on the target body,
            Sub-observer point epoch,
            Vector from observer to sub-observer point.
    :rtype: tuple