{
  "system_id": "GJ 1232",
  "proper_name": "Gammelstad",
  "star_type": "M",
  "spectral_class": "M0V",
  "wiki_data": {
    "habitable_count": 1,
    "inhabited_count": 2,
    "has_gas_giant": true,
    "has_asteroid_belt": true,
    "has_horizon_station": true,
    "raw_bodies_line": null
  },
  "bodies": [
    {
      "body_id": "GJ1232b",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 1,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.34,
      "orbital_period_days": 9.2,
      "rotation_period_hours": 220.8,
      "atmosphere": "none",
      "biome_summary": "barren",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "inner scorched rocky, tidally locked"
    },
    {
      "body_id": "GJ1232c",
      "proper_name": "Gammla",
      "body_type": "planet",
      "orbit_index": 2,
      "parent_body_id": null,
      "inhabited": true,
      "population": 52000000,
      "mass_class": "terrestrial",
      "surface_gravity": 0.88,
      "orbital_period_days": 72.0,
      "rotation_period_hours": 1728.0,
      "atmosphere": "standard",
      "biome_summary": "temperate_terminator",
      "hydrosphere": "liquid_water",
      "economic_role": "agricultural",
      "settlement_pattern": "dispersed",
      "industrial_corridor": "agricultural_export",
      "notes": "primary inhabited world; tidally locked; wave_1 Swedish heritage (500 years continuous settlement); 2-aperture through_route; thin highland plateaus and low wet coastal basins; basin settlements oldest continuously occupied structures in the far west; highland mining districts with MVG secondary materials contract (mineral compounds); charter council governance (amended 9 times, never dissolved); Compact of Westphalia founding signatory"
    },
    {
      "body_id": "GJ1232-belt",
      "proper_name": null,
      "body_type": "asteroid_belt",
      "orbit_index": 3,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": null,
      "surface_gravity": null,
      "orbital_period_days": null,
      "rotation_period_hours": null,
      "atmosphere": null,
      "biome_summary": null,
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "sparse asteroid belt"
    },
    {
      "body_id": "GJ1232d",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 4,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.48,
      "orbital_period_days": 300.0,
      "rotation_period_hours": 23.4,
      "atmosphere": "thin",
      "biome_summary": "frozen",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "outer rocky, cold, uninhabited"
    },
    {
      "body_id": "GJ1232e",
      "proper_name": null,
      "body_type": "gas_giant",
      "orbit_index": 5,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": null,
      "surface_gravity": null,
      "orbital_period_days": 940.0,
      "rotation_period_hours": 12.2,
      "atmosphere": "gas_giant",
      "biome_summary": null,
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "outer gas giant, one moon"
    },
    {
      "body_id": "GJ1232e-m1",
      "proper_name": "Malmvik",
      "body_type": "moon",
      "orbit_index": 1,
      "parent_body_id": "GJ1232e",
      "inhabited": true,
      "population": 420,
      "mass_class": "dwarf",
      "surface_gravity": 0.12,
      "orbital_period_days": 5.8,
      "rotation_period_hours": 139.2,
      "atmosphere": null,
      "biome_summary": "frozen",
      "hydrosphere": "subsurface_liquid",
      "economic_role": "mining",
      "settlement_pattern": "underground_concentrated",
      "industrial_corridor": null,
      "notes": "outer moon mineral extraction outpost; tidally locked; cooperative-operated; subsurface ice-layer mining"
    },
    {
      "body_id": "GJ1232f",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 6,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.38,
      "orbital_period_days": 2600.0,
      "rotation_period_hours": 32.6,
      "atmosphere": "trace",
      "biome_summary": "frozen",
      "hydrosphere": "ice",
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "outer icy rocky, uninhabited"
    },
    {
      "body_id": "GJ1232g",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 7,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.29,
      "orbital_period_days": 6400.0,
      "rotation_period_hours": 40.8,
      "atmosphere": "trace",
      "biome_summary": "frozen",
      "hydrosphere": "ice",
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "distant icy rocky, uninhabited"
    },
    {
      "body_id": "GJ1232h",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 8,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "dwarf",
      "surface_gravity": 0.11,
      "orbital_period_days": 14200.0,
      "rotation_period_hours": 27.4,
      "atmosphere": "none",
      "biome_summary": "frozen",
      "hydrosphere": "ice",
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "outermost ice dwarf"
    },
    {
      "body_id": "GJ1232-oort",
      "proper_name": null,
      "body_type": "oort_cloud",
      "orbit_index": 9,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": null,
      "surface_gravity": null,
      "orbital_period_days": null,
      "rotation_period_hours": null,
      "atmosphere": null,
      "biome_summary": null,
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "oort cloud"
    }
  ],
  "stations": [
    {
      "station_id": "GJ1232-oort-S1",
      "proper_name": "Gammelstad Horizon",
      "orbits_body_id": "GJ1232-oort",
      "station_type": "horizon",
      "population": 380,
      "economic_role": "transit",
      "docking_class": "major",
      "has_gate_infrastructure": true,
      "notes": "horizon station — 2 apertures; through_route; connects Bakshi Spur and Halvøy"
    },
    {
      "station_id": "GJ1232c-S1",
      "proper_name": "Torget",
      "orbits_body_id": "GJ1232c",
      "station_type": "agricultural",
      "population": 2200,
      "economic_role": "agricultural",
      "docking_class": "standard",
      "has_gate_infrastructure": false,
      "notes": "basin cooperative agricultural exchange; highland grain and root cultivar exports; Halvøy preserved seafood trade"
    }
  ]
}