a> 
   <a href="../req/spc.html">SPC</a> 
   <a href="../req/naif_ids.html">NAIF_IDS</a> 
 </PRE>
<h4><a name="Keywords">Keywords</a></h4>
<PRE>
 
   EPHEMERIS 
 

</PRE>
<h4><a name="Brief_I/O">Brief_I/O</a></h4>
<PRE>
 
   Variable  I/O  Description 
   --------  ---  -------------------------------------------------- 
   handle     I   Handle of an SPK file open for writing. 
   body       I   Body code for ephemeris object. 
   center     I   Body code for the center of motion of the body. 
   frame    