{
  "system_id": "GJ 66B",
  "proper_name": "Voss",
  "star_type": "K",
  "spectral_class": "K0V",
  "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": "GJ66Bb",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 1,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.44,
      "orbital_period_days": 28.0,
      "rotation_period_hours": 19.4,
      "atmosphere": "none",
      "biome_summary": "barren",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "inner rocky, hot, uninhabited"
    },
    {
      "body_id": "GJ66Bc",
      "proper_name": "Røros",
      "body_type": "planet",
      "orbit_index": 2,
      "parent_body_id": null,
      "inhabited": true,
      "population": 4200000,
      "mass_class": "terrestrial",
      "surface_gravity": 0.90,
      "orbital_period_days": 280.0,
      "rotation_period_hours": 25.2,
      "atmosphere": "standard",
      "biome_summary": "temperate",
      "hydrosphere": "liquid_water",
      "economic_role": "mining",
      "settlement_pattern": "urban_concentrated",
      "industrial_corridor": "mining_refractories",
      "notes": "primary inhabited world; wave_2 Norwegian heritage; 1-aperture dead_end; K0V warm star — livable surface conditions; silicate and light metal extraction (declining grade); mining district council governance; structural dependency on Caldwell Point gate access; companion star GJ 66A (p Eridani) in east_reach — binary pair across corridor boundary"
    },
    {
      "body_id": "GJ66B-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": "mining",
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "silicate and light metal deposits; progressively lower-grade extraction"
    },
    {
      "body_id": "GJ66Bd",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 4,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.56,
      "orbital_period_days": 820.0,
      "rotation_period_hours": 27.6,
      "atmosphere": "thin",
      "biome_summary": "cold_arid",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "outer rocky, uninhabited"
    },
    {
      "body_id": "GJ66Be",
      "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": 2600.0,
      "rotation_period_hours": 11.4,
      "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": "GJ66Be-m1",
      "proper_name": null,
      "body_type": "moon",
      "orbit_index": 1,
      "parent_body_id": "GJ66Be",
      "inhabited": false,
      "population": null,
      "mass_class": "dwarf",
      "surface_gravity": 0.10,
      "orbital_period_days": 6.2,
      "rotation_period_hours": 148.8,
      "atmosphere": null,
      "biome_summary": "frozen",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "small icy moon, tidally locked"
    },
    {
      "body_id": "GJ66Bf",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 6,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.44,
      "orbital_period_days": 6800.0,
      "rotation_period_hours": 34.8,
      "atmosphere": "trace",
      "biome_summary": "frozen",
      "hydrosphere": "ice",
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "outer icy rocky, uninhabited"
    },
    {
      "body_id": "GJ66Bg",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 7,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.35,
      "orbital_period_days": 14800.0,
      "rotation_period_hours": 43.2,
      "atmosphere": "trace",
      "biome_summary": "frozen",
      "hydrosphere": "ice",
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "distant icy rocky, uninhabited"
    },
    {
      "body_id": "GJ66Bh",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 8,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.27,
      "orbital_period_days": 30000.0,
      "rotation_period_hours": 51.6,
      "atmosphere": "none",
      "biome_summary": "frozen",
      "hydrosphere": "ice",
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "far outer icy rocky, uninhabited"
    },
    {
      "body_id": "GJ66Bi",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 9,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "dwarf",
      "surface_gravity": 0.12,
      "orbital_period_days": 56000.0,
      "rotation_period_hours": 29.4,
      "atmosphere": "none",
      "biome_summary": "frozen",
      "hydrosphere": "ice",
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "outermost dwarf, near oort boundary"
    },
    {
      "body_id": "GJ66B-oort",
      "proper_name": null,
      "body_type": "oort_cloud",
      "orbit_index": 10,
      "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": "GJ66B-oort-S1",
      "proper_name": "Voss Horizon",
      "orbits_body_id": "GJ66B-oort",
      "station_type": "horizon",
      "population": 320,
      "economic_role": "transit",
      "docking_class": "major",
      "has_gate_infrastructure": true,
      "notes": "horizon station — 1 aperture; dead_end; connects Caldwell Point; mineral freight staging"
    }
  ]
}