{
  "system_id": "GJ 54.1",
  "proper_name": "Ribeiro's Star",
  "star_type": "M",
  "spectral_class": "M5.5Ve",
  "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": "GJ54.1b",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 1,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.36,
      "orbital_period_days": 9.4,
      "rotation_period_hours": 225.6,
      "atmosphere": "none",
      "biome_summary": "barren",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "inner rocky, tidally locked, uninhabited"
    },
    {
      "body_id": "GJ54.1c",
      "proper_name": "Ribeiro's Star",
      "body_type": "planet",
      "orbit_index": 2,
      "parent_body_id": null,
      "inhabited": true,
      "population": 800000000,
      "mass_class": "terrestrial",
      "surface_gravity": 0.84,
      "orbital_period_days": 26.0,
      "rotation_period_hours": 624.0,
      "atmosphere": "standard",
      "biome_summary": "temperate",
      "hydrosphere": "liquid_water",
      "economic_role": "transit",
      "settlement_pattern": "urban_concentrated",
      "industrial_corridor": "logistics",
      "notes": "primary inhabited world; wave_3 Portuguese heritage; 5-aperture hub; tidally locked; major transit junction; flare-weather infrastructure expertise"
    },
    {
      "body_id": "GJ54.1-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": "GJ54.1d",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 4,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.51,
      "orbital_period_days": 190.0,
      "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": "GJ54.1e",
      "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": 840.0,
      "rotation_period_hours": 12.3,
      "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": "GJ54.1e-m1",
      "proper_name": null,
      "body_type": "moon",
      "orbit_index": 1,
      "parent_body_id": "GJ54.1e",
      "inhabited": false,
      "population": null,
      "mass_class": "dwarf",
      "surface_gravity": 0.11,
      "orbital_period_days": 7.3,
      "rotation_period_hours": 175.2,
      "atmosphere": null,
      "biome_summary": "frozen",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "small icy moon, tidally locked"
    },
    {
      "body_id": "GJ54.1f",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 6,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.42,
      "orbital_period_days": 2700.0,
      "rotation_period_hours": 35.0,
      "atmosphere": "trace",
      "biome_summary": "frozen",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "outer icy rocky, uninhabited"
    },
    {
      "body_id": "GJ54.1g",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 7,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.33,
      "orbital_period_days": 5800.0,
      "rotation_period_hours": 45.0,
      "atmosphere": "trace",
      "biome_summary": "frozen",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "distant icy rocky, uninhabited"
    },
    {
      "body_id": "GJ54.1h",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 8,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.26,
      "orbital_period_days": 11200.0,
      "rotation_period_hours": 57.0,
      "atmosphere": "trace",
      "biome_summary": "frozen",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "far outer icy rocky, uninhabited"
    },
    {
      "body_id": "GJ54.1-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": "GJ54.1-oort-S1",
      "proper_name": "Ribeiro's Star Horizon",
      "orbits_body_id": "GJ54.1-oort",
      "station_type": "horizon",
      "population": 2400,
      "economic_role": "transit",
      "docking_class": "major",
      "has_gate_infrastructure": true,
      "notes": "horizon station — 5 apertures; hub"
    }
  ]
}