Browder IV was the fourth planet of the Browder planetary system. This planet was selected for a Federation terraforming-project in 2366. The USS Hood was assigned to assist the USS Enterprise-D with the terraforming project. (TNG: "Allegiance")
According to the Star Trek: Star Charts, on the chart "United Federation of Planets I", Browder IV was listed as a member planet of the Federation in 2378.