On Windows its in your profile directory /saved games/frontier developments/elite dangerous/journal.*
There are entries like this - this is my Tier 3 planetary port which is steadfastly 100% colony regardless of everything else I have built around it.
Journal.2025-03-26T004111.01.log:{ "timestamp":"2025-03-26T00:49:50Z", "event":"Docked", "StationName":"Arrowsmith View", "StationType":"CraterPort", "Taxi":false, "Multicrew":false, "StarSystem":"HIP 73012", "SystemAddress":1384883702131, "MarketID":4214307587, "StationFaction":{ "Name":"HIP 73269 Drug Empire" }, "StationGovernment":"$government_Anarchy;", "StationGovernment_Localised":"Anarchy", "StationServices":[ "dock", "autodock", "blackmarket", "commodities", "contacts", "exploration", "missions", "outfitting", "crewlounge", "rearm", "refuel", "repair", "shipyard", "engineer", "facilitator", "flightcontroller", "stationoperations", "powerplay", "stationMenu", "shop", "livery", "socialspace", "vistagenomics", "registeringcolonisation" ], "StationEconomy":"$economy_Colony;", "StationEconomy_Localised":"Colony", "StationEconomies":[ { "Name":"$economy_Colony;", "Name_Localised":"Colony", "Proportion":1.000000 } ], "DistFromStarLS":1152.561690, "LandingPads":{ "Small":8, "Medium":8, "Large":8 } }