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.
planet_size [tile amount] [planet id]
|Tile Amount||The tile size you wish to set the planet to - max is 25.|
|Planet ID||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.