Stellaris planet_size Command
This command can be used to change the size of the planet with the specified ID. The maximum size is 25, larger numbers can cause problems with your game.
The tile size you wish to set the planet to - max is 25.
The ID of the planet you wish to adjust the size of.
- planet_size 25 444
This command would set the planet with ID 444 to the size of '25', which is the largest possible size.
Adjust the settings below to automatically generate a command. Once you've got everything right, hit the Copy button and paste it into the console in Stellaris.