Existing Wikipedia GNU picture, updated with an arrow highlighting the object of interest.
<a href="https://en.wikipedia.org/wiki/User:Litefantastic" class="extiw" title="en:User:Litefantastic">Litefantastic</a>
CC BY-SA 3.0
<p>(<span lang="en" dir="ltr">Original text: <i><bdi lang=""><a href="https://en.wikipedia.org/wiki/Image:Animation_showing_movement_of_2003_UB313.gif" class="extiw" title="en:Image:Animation showing movement of 2003 UB313.gif">en:Image:Animation showing movement of 2003 UB313.gif</a></bdi></i></span>)<br></p>
<a rel="nofollow" class="external free" href="http://www.gps.caltech.edu/~mbrown/planetlila/">http://www.gps.caltech.edu/~mbrown/planetlila/</a> (Mike Brown)