This is a Random Event. Occurs in:
You arrive at the location of the distress signal prepared for a fight, but on first glance it's entirely empty. The signal is coming from a small plastic satellite orbiting a moon. A looping message describes how settlers have recently abandoned the area due to the Lanius threat. You fail to find any other signs of a settlement nearby.
- Nothing happens.
This event is called "LANIUS_DISTRESS_EMPTY" in the datafiles.