{
  "system_id": "GJ 191",
  "proper_name": "Kapteyn's Star",
  "star_type": "M",
  "spectral_class": "M0V",
  "wiki_data": {
    "habitable_count": 1,
    "inhabited_count": 1,
    "has_gas_giant": true,
    "has_asteroid_belt": true,
    "has_horizon_station": true,
    "raw_bodies_line": null
  },
  "bodies": [
    {
      "body_id": "GJ191b",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 1,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.35,
      "orbital_period_days": 8.4,
      "rotation_period_hours": 201.6,
      "atmosphere": "none",
      "biome_summary": "barren",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "inner scorched rocky, tidally locked"
    },
    {
      "body_id": "GJ191c",
      "proper_name": "Dageraad",
      "body_type": "planet",
      "orbit_index": 2,
      "parent_body_id": null,
      "inhabited": true,
      "population": 8000000,
      "mass_class": "terrestrial",
      "surface_gravity": 0.84,
      "orbital_period_days": 70.0,
      "rotation_period_hours": 1680.0,
      "atmosphere": "standard",
      "biome_summary": "temperate_terminator",
      "hydrosphere": "liquid_water",
      "economic_role": "transit",
      "settlement_pattern": "urban_concentrated",
      "industrial_corridor": "logistics",
      "notes": "primary inhabited world; tidally locked; wave_4 retained astronomical catalog name (Dutch heritage); 3-aperture junction; chokepoint between Ross 154 and Hansestadt; transit services economy: fuel bunkering, crew rotation, freight consolidation; Transit Authority + civic council dual governance; Gate Corporation operational base; Hansestadt Merchant Assembly permanent trade mission"
    },
    {
      "body_id": "GJ191-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": "GJ191d",
      "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": 280.0,
      "rotation_period_hours": 22.8,
      "atmosphere": "thin",
      "biome_summary": "frozen",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "outer rocky, cold, uninhabited"
    },
    {
      "body_id": "GJ191e",
      "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": 920.0,
      "rotation_period_hours": 11.8,
      "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": "GJ191e-m1",
      "proper_name": null,
      "body_type": "moon",
      "orbit_index": 1,
      "parent_body_id": "GJ191e",
      "inhabited": false,
      "population": null,
      "mass_class": "dwarf",
      "surface_gravity": 0.11,
      "orbital_period_days": 5.6,
      "rotation_period_hours": 134.4,
      "atmosphere": null,
      "biome_summary": "frozen",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "small icy moon, tidally locked"
    },
    {
      "body_id": "GJ191f",
      "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": 2400.0,
      "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": "GJ191g",
      "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": 5800.0,
      "rotation_period_hours": 40.4,
      "atmosphere": "trace",
      "biome_summary": "frozen",
      "hydrosphere": "ice",
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "distant icy rocky, uninhabited"
    },
    {
      "body_id": "GJ191h",
      "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": 12600.0,
      "rotation_period_hours": 27.8,
      "atmosphere": "none",
      "biome_summary": "frozen",
      "hydrosphere": "ice",
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "outermost ice dwarf"
    },
    {
      "body_id": "GJ191-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": "GJ191-oort-S1",
      "proper_name": "Kapteyn's Star Horizon",
      "orbits_body_id": "GJ191-oort",
      "station_type": "horizon",
      "population": 2400,
      "economic_role": "transit",
      "docking_class": "major",
      "has_gate_infrastructure": true,
      "notes": "horizon station — 3 apertures; junction; connects Ross 154, Hansestadt, and Port Mäkelä"
    },
    {
      "station_id": "GJ191c-S1",
      "proper_name": "Sluis",
      "orbits_body_id": "GJ191c",
      "station_type": "commercial",
      "population": 8500,
      "economic_role": "transit",
      "docking_class": "major",
      "has_gate_infrastructure": false,
      "notes": "Gate Corporation west_reach operational base; three-aperture maintenance hub; crew rotation and freight consolidation; cosmopolitan transit district"
    },
    {
      "station_id": "GJ191c-S2",
      "proper_name": "Faktorei",
      "orbits_body_id": "GJ191c",
      "station_type": "commercial",
      "population": 1200,
      "economic_role": "commercial",
      "docking_class": "standard",
      "has_gate_infrastructure": false,
      "notes": "Hansestadt Merchant Assembly permanent trade mission; two centuries of continuous operation; commercial framing of junction traffic"
    }
  ]
}