h4>
<PRE>
 
   Return the position of a target body relative to an observing 
   body, optionally corrected for light time (planetary aberration) 
   and stellar aberration. 
 </PRE>
<h4><a name="Required_Reading">Required_Reading</a></h4>
<PRE>
 
   <a href="../req/spk.html">SPK</a> 
   <a href="../req/naif_ids.html">NAIF_IDS</a> 
   <a href="../req/frames.html">FRAMES</a> 
   <a href="../req/time.html">TIME</a> 
 </PRE>
<h4><a name="Keywords">Keywords</a></h4>
<PRE>
 
   EPHEMERIS 
 

</PRE>
<h4><a name="