NASA JPL's own website for this is a great place to keep up with developments:<p><a href="https://saturn.jpl.nasa.gov/" rel="nofollow">https://saturn.jpl.nasa.gov/</a>
> Researchers know it is roughly 10-and-a-half hours, but they would like a more precise number.<p>I find it interesting that something this “basic” is still not known. Couldn’t they just take photos of how long it takes certain features, say storms or clouds, to reappear?