{
  "system_id": "GJ 150",
  "proper_name": "Rana",
  "star_type": "K",
  "spectral_class": "K0IV",
  "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": "GJ150b",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 1,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.52,
      "orbital_period_days": 48.0,
      "rotation_period_hours": 18.8,
      "atmosphere": "none",
      "biome_summary": "barren",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "inner rocky, hot, uninhabited"
    },
    {
      "body_id": "GJ150c",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 2,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.76,
      "orbital_period_days": 180.0,
      "rotation_period_hours": 24.2,
      "atmosphere": "thin",
      "biome_summary": "hot_arid",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "hot inner rocky, desiccated, uninhabited"
    },
    {
      "body_id": "GJ150d",
      "proper_name": "Vesper",
      "body_type": "planet",
      "orbit_index": 3,
      "parent_body_id": null,
      "inhabited": true,
      "population": 120000000,
      "mass_class": "terrestrial",
      "surface_gravity": 0.94,
      "orbital_period_days": 820.0,
      "rotation_period_hours": 26.4,
      "atmosphere": "standard",
      "biome_summary": "temperate",
      "hydrosphere": "liquid_water",
      "economic_role": "transit",
      "settlement_pattern": "urban_concentrated",
      "industrial_corridor": "logistics",
      "notes": "primary inhabited world; wave_2 retained astronomical name (Delta Eridani); K0IV subgiant — warm yellow-orange light, near-Earth evening character; 3-aperture junction; redistribution node beyond Hansestadt; shipping cooperative governance; junction neutrality as business model (neither Compact nor Assembly-aligned)"
    },
    {
      "body_id": "GJ150-belt",
      "proper_name": null,
      "body_type": "asteroid_belt",
      "orbit_index": 4,
      "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": "GJ150e",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 5,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.62,
      "orbital_period_days": 1400.0,
      "rotation_period_hours": 28.6,
      "atmosphere": "thin",
      "biome_summary": "cold_arid",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "outer rocky, uninhabited"
    },
    {
      "body_id": "GJ150f",
      "proper_name": null,
      "body_type": "gas_giant",
      "orbit_index": 6,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": null,
      "surface_gravity": null,
      "orbital_period_days": 3800.0,
      "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"
    },
    {
      "body_id": "GJ150f-m1",
      "proper_name": null,
      "body_type": "moon",
      "orbit_index": 1,
      "parent_body_id": "GJ150f",
      "inhabited": false,
      "population": null,
      "mass_class": "dwarf",
      "surface_gravity": 0.13,
      "orbital_period_days": 6.2,
      "rotation_period_hours": 148.8,
      "atmosphere": "trace",
      "biome_summary": "frozen",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "icy moon, tidally locked"
    },
    {
      "body_id": "GJ150f-m2",
      "proper_name": null,
      "body_type": "moon",
      "orbit_index": 2,
      "parent_body_id": "GJ150f",
      "inhabited": false,
      "population": null,
      "mass_class": "dwarf",
      "surface_gravity": 0.08,
      "orbital_period_days": 13.4,
      "rotation_period_hours": 321.6,
      "atmosphere": null,
      "biome_summary": "barren",
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "small rocky moon, tidally locked"
    },
    {
      "body_id": "GJ150g",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 7,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.46,
      "orbital_period_days": 9600.0,
      "rotation_period_hours": 36.2,
      "atmosphere": "trace",
      "biome_summary": "frozen",
      "hydrosphere": "ice",
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "outer icy rocky, uninhabited"
    },
    {
      "body_id": "GJ150h",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 8,
      "parent_body_id": null,
      "inhabited": false,
      "population": null,
      "mass_class": "terrestrial",
      "surface_gravity": 0.36,
      "orbital_period_days": 21000.0,
      "rotation_period_hours": 44.4,
      "atmosphere": "trace",
      "biome_summary": "frozen",
      "hydrosphere": "ice",
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "distant icy rocky, uninhabited"
    },
    {
      "body_id": "GJ150i",
      "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": 46000.0,
      "rotation_period_hours": 30.8,
      "atmosphere": "none",
      "biome_summary": "frozen",
      "hydrosphere": "ice",
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "outermost dwarf, near oort boundary"
    },
    {
      "body_id": "GJ150-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": "GJ150-oort-S1",
      "proper_name": "Rana Horizon",
      "orbits_body_id": "GJ150-oort",
      "station_type": "horizon",
      "population": 3200,
      "economic_role": "transit",
      "docking_class": "major",
      "has_gate_infrastructure": true,
      "notes": "horizon station — 3 apertures; junction; connects Hansestadt, Sonnwend, and Traagwater; first branching point beyond the hub"
    },
    {
      "station_id": "GJ150d-S1",
      "proper_name": "Trivium",
      "orbits_body_id": "GJ150d",
      "station_type": "commercial",
      "population": 14000,
      "economic_role": "transit",
      "docking_class": "major",
      "has_gate_infrastructure": false,
      "notes": "Gate Corporation junction operations; three-aperture scheduling; crew rotation and bunkering; cosmopolitan rotation staff"
    },
    {
      "station_id": "GJ150d-S2",
      "proper_name": "Mansio",
      "orbits_body_id": "GJ150d",
      "station_type": "commercial",
      "population": 4800,
      "economic_role": "commercial",
      "docking_class": "standard",
      "has_gate_infrastructure": false,
      "notes": "freight warehousing and customs coordination; shipping cooperative commercial office; layover hospitality complex"
    }
  ]
}