@spiceErrorCheck<EOL>def sce2t(sc, et):
sc = ctypes.c_int(sc)<EOL>et = ctypes.c_double(et)<EOL>sclkdp = ctypes.c_double()<EOL>libspice.sce2t_c(sc, et, ctypes.byref(sclkdp))<EOL>return sclkdp.value<EOL>
Convert ephemeris seconds past J2000 (ET) to integral
encoded spacecraft clock ("ticks"). For conversion to
fractional ticks, (required for C-kernel production), see
the routine :func:`sce2c`.

http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/sce2t_c.html

:param sc: NAIF spacecraft ID code.
:type sc: int
:param et: Ephemeris time, seconds past J2000.
:type et: float
:return: SCLK, encoded as ticks since spacecraft clock start.
:rtype: float