Take TLE of all Irridium-NEXT satelites...
http://celestrak.com/NORAD/elements/iridium-NEXT.txt
... and import it to Stellarium http://www.stellarium.org/wiki/index.php/Satellites_plugin
P.S.: Stellarium 0.16.0 released few days ago! https://sourceforge.net/p/stellarium/news/2017/06/stellarium...