{
  "system_id": "GJ 566A",
  "proper_name": "Haodu",
  "star_type": "binary",
  "spectral_class": "G8V + K4V",
  "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": "GJ566Ab",
      "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": 32.0,
      "rotation_period_hours": 20.4,
      "atmosphere": "none",
      "biome_summary": "barren",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "inner rocky, hot, uninhabited"
    },
    {
      "body_id": "GJ566Ac",
      "proper_name": "Haodu",
      "body_type": "planet",
      "orbit_index": 2,
      "parent_body_id": null,
      "inhabited": true,
      "population": 2800000000,
      "mass_class": "terrestrial",
      "surface_gravity": 0.95,
      "orbital_period_days": 280.0,
      "rotation_period_hours": 25.6,
      "atmosphere": "standard",
      "biome_summary": "temperate",
      "hydrosphere": "liquid_water",
      "economic_role": "commercial",
      "settlement_pattern": "urban_concentrated",
      "industrial_corridor": "logistics_manufacturing",
      "notes": "primary inhabited world; wave_3 Chinese heritage (Yongli Combine); 5-aperture hub; east corridor commercial center; technocratic governance; manufacturing base plus institutional commercial depth; Prometheus Labs research affiliate present"
    },
    {
      "body_id": "GJ566A-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": "inner asteroid belt"
    },
    {
      "body_id": "GJ566Ad",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 4,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.62,
      "orbital_period_days": 740.0,
      "rotation_period_hours": 27.0,
      "atmosphere": "thin",
      "biome_summary": "cold_arid",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "outer rocky, uninhabited"
    },
    {
      "body_id": "GJ566Ae",
      "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": 10.8,
      "atmosphere": "gas_giant",
      "biome_summary": null,
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "outer gas giant, two moons; K4V companion gravity assists orbital platform positioning"
    },
    {
      "body_id": "GJ566Ae-m1",
      "proper_name": null,
      "body_type": "moon",
      "orbit_index": 1,
      "parent_body_id": "GJ566Ae",
      "inhabited": false,
      "population": null,
      "mass_class": "dwarf",
      "surface_gravity": 0.13,
      "orbital_period_days": 5.4,
      "rotation_period_hours": 129.6,
      "atmosphere": "trace",
      "biome_summary": "frozen",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "icy moon, tidally locked"
    },
    {
      "body_id": "GJ566Ae-m2",
      "proper_name": null,
      "body_type": "moon",
      "orbit_index": 2,
      "parent_body_id": "GJ566Ae",
      "inhabited": false,
      "population": null,
      "mass_class": "dwarf",
      "surface_gravity": 0.08,
      "orbital_period_days": 11.6,
      "rotation_period_hours": 278.4,
      "atmosphere": null,
      "biome_summary": "barren",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "small rocky moon, tidally locked"
    },
    {
      "body_id": "GJ566Af",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 6,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.48,
      "orbital_period_days": 6400.0,
      "rotation_period_hours": 36.0,
      "atmosphere": "trace",
      "biome_summary": "frozen",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "outer icy rocky, uninhabited"
    },
    {
      "body_id": "GJ566Ag",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 7,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.39,
      "orbital_period_days": 13500.0,
      "rotation_period_hours": 44.0,
      "atmosphere": "trace",
      "biome_summary": "frozen",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "distant icy rocky, uninhabited"
    },
    {
      "body_id": "GJ566Ah",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 8,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.31,
      "orbital_period_days": 26000.0,
      "rotation_period_hours": 52.0,
      "atmosphere": "none",
      "biome_summary": "frozen",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "outer ice world, uninhabited"
    },
    {
      "body_id": "GJ566Ai",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 9,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.24,
      "orbital_period_days": 44000.0,
      "rotation_period_hours": 64.0,
      "atmosphere": "none",
      "biome_summary": "frozen",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "distant ice world, uninhabited"
    },
    {
      "body_id": "GJ566Aj",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 10,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "dwarf",
      "surface_gravity": 0.12,
      "orbital_period_days": 72000.0,
      "rotation_period_hours": 34.0,
      "atmosphere": "none",
      "biome_summary": "frozen",
      "hydrosphere": "ice",
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "outermost dwarf, binary orbital edge"
    },
    {
      "body_id": "GJ566A-oort",
      "proper_name": null,
      "body_type": "oort_cloud",
      "orbit_index": 11,
      "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 — shared binary system"
    }
  ],
  "stations": [
    {
      "station_id": "GJ566A-oort-S1",
      "proper_name": "Haodu Horizon",
      "orbits_body_id": "GJ566A-oort",
      "station_type": "horizon",
      "population": 8200,
      "economic_role": "transit",
      "docking_class": "major",
      "has_gate_infrastructure": true,
      "notes": "horizon station — 5 apertures; hub; east corridor's primary gateway; connects Relay 7, Yongjin, Samuels Reach, Jinghu, Shenwei"
    },
    {
      "station_id": "GJ566A-c-S1",
      "proper_name": "Yongli Huì",
      "orbits_body_id": "GJ566Ac",
      "station_type": "commercial",
      "population": 120000,
      "economic_role": "commercial",
      "docking_class": "major",
      "has_gate_infrastructure": false,
      "notes": "primary orbital platform complex; Yongli Combine headquarters; trading houses, logistics operators, research affiliates; highest platform density of any hub in the east_reach; Prometheus Labs affiliate present"
    }
  ]
}