{
  "system_id": "GJ 892",
  "proper_name": "Cairnside",
  "star_type": "K",
  "spectral_class": "K3Vvar",
  "wiki_data": {
    "habitable_count": 1,
    "inhabited_count": 1,
    "has_gas_giant": false,
    "has_asteroid_belt": true,
    "has_horizon_station": true,
    "raw_bodies_line": null
  },
  "bodies": [
    {
      "body_id": "GJ892b",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 1,
      "parent_body_id": null,
      "inhabited": false,
      "population": 0,
      "mass_class": "terrestrial",
      "surface_gravity": 0.28,
      "orbital_period_days": 20,
      "rotation_period_hours": 480,
      "atmosphere": "none",
      "biome_summary": "barren",
      "hydrosphere": "none",
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "inner rocky"
    },
    {
      "body_id": "GJ892c",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 2,
      "parent_body_id": null,
      "inhabited": false,
      "population": 0,
      "mass_class": "terrestrial",
      "surface_gravity": 0.55,
      "orbital_period_days": 65,
      "rotation_period_hours": 1560,
      "atmosphere": "thin",
      "biome_summary": "barren",
      "hydrosphere": "none",
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "variable radiation zone"
    },
    {
      "body_id": "GJ892d",
      "proper_name": "Cairnside",
      "body_type": "planet",
      "orbit_index": 3,
      "parent_body_id": null,
      "inhabited": true,
      "population": 80000000,
      "mass_class": "terrestrial",
      "surface_gravity": 0.82,
      "orbital_period_days": 220,
      "rotation_period_hours": 24.0,
      "atmosphere": "breathable",
      "biome_summary": "arid",
      "hydrosphere": "ice",
      "economic_role": "research",
      "settlement_pattern": "domed",
      "industrial_corridor": null,
      "notes": "variable star cycling, dome settlements, boomtown"
    },
    {
      "body_id": "GJ892d-1",
      "proper_name": "Vacuum Fatigue Station",
      "body_type": "moon",
      "orbit_index": 1,
      "parent_body_id": "GJ892d",
      "inhabited": true,
      "population": 400,
      "mass_class": "dwarf",
      "surface_gravity": 0.05,
      "orbital_period_days": 12.0,
      "rotation_period_hours": 288,
      "atmosphere": "none",
      "biome_summary": "barren",
      "hydrosphere": "none",
      "economic_role": "research",
      "settlement_pattern": "domed",
      "industrial_corridor": null,
      "notes": "long-duration seal testing"
    },
    {
      "body_id": "GJ892e",
      "proper_name": "Corrosion Bench",
      "body_type": "planet",
      "orbit_index": 4,
      "parent_body_id": null,
      "inhabited": true,
      "population": 600,
      "mass_class": "terrestrial",
      "surface_gravity": 0.45,
      "orbital_period_days": 450,
      "rotation_period_hours": 17.5,
      "atmosphere": "thin",
      "biome_summary": "arid",
      "hydrosphere": "none",
      "economic_role": "research",
      "settlement_pattern": "domed",
      "industrial_corridor": null,
      "notes": "thin-atmosphere chemical weathering"
    },
    {
      "body_id": "GJ892f",
      "proper_name": "Cryogenic Soak",
      "body_type": "planet",
      "orbit_index": 5,
      "parent_body_id": null,
      "inhabited": true,
      "population": 300,
      "mass_class": "terrestrial",
      "surface_gravity": 0.38,
      "orbital_period_days": 800,
      "rotation_period_hours": 16.0,
      "atmosphere": "none",
      "biome_summary": "frozen",
      "hydrosphere": "ice",
      "economic_role": "research",
      "settlement_pattern": "domed",
      "industrial_corridor": null,
      "notes": "ice-contact structural integrity"
    },
    {
      "body_id": "GJ892g",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 6,
      "parent_body_id": null,
      "inhabited": false,
      "population": 0,
      "mass_class": "terrestrial",
      "surface_gravity": 0.32,
      "orbital_period_days": 1300,
      "rotation_period_hours": 19.0,
      "atmosphere": "none",
      "biome_summary": "frozen",
      "hydrosphere": "none",
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "outer frozen"
    },
    {
      "body_id": "GJ892h",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 7,
      "parent_body_id": null,
      "inhabited": false,
      "population": 0,
      "mass_class": "terrestrial",
      "surface_gravity": 0.25,
      "orbital_period_days": 3500,
      "rotation_period_hours": 18.0,
      "atmosphere": "none",
      "biome_summary": "frozen",
      "hydrosphere": "ice",
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "outer ice world"
    },
    {
      "body_id": "GJ892-belt",
      "proper_name": null,
      "body_type": "asteroid_belt",
      "orbit_index": 8,
      "parent_body_id": null,
      "inhabited": false,
      "population": 0,
      "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": ""
    },
    {
      "body_id": "GJ892-oort",
      "proper_name": null,
      "body_type": "oort_cloud",
      "orbit_index": 9,
      "parent_body_id": null,
      "inhabited": false,
      "population": 0,
      "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": ""
    }
  ],
  "stations": [
    {
      "station_id": "GJ892b-S1",
      "proper_name": "Thermal Stress Lab",
      "orbits_body_id": "GJ892b",
      "station_type": "research",
      "population": 200,
      "economic_role": "research",
      "docking_class": "restricted",
      "has_gate_infrastructure": false,
      "notes": "extreme thermal cycling exposure"
    },
    {
      "station_id": "GJ892c-S1",
      "proper_name": "Cairnside Test Frame",
      "orbits_body_id": "GJ892c",
      "station_type": "research",
      "population": 5000,
      "economic_role": "research",
      "docking_class": "restricted",
      "has_gate_infrastructure": false,
      "notes": "primary materials exposure, direct variable star radiation"
    },
    {
      "station_id": "GJ892-oort-S1",
      "proper_name": "Horizon Station",
      "orbits_body_id": "GJ892-oort",
      "station_type": "horizon",
      "population": 0,
      "economic_role": "transit",
      "docking_class": "standard",
      "has_gate_infrastructure": true,
      "notes": "2 apertures, spur through Cairn"
    }
  ]
}