{
  "system_id": "GJ 402",
  "proper_name": "Prospect Hill",
  "star_type": "M",
  "spectral_class": "M4:",
  "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": "GJ402b",
      "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": 3,
      "rotation_period_hours": 72,
      "atmosphere": "none",
      "biome_summary": "barren",
      "hydrosphere": "none",
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "inner scorched, tidally locked"
    },
    {
      "body_id": "GJ402c",
      "proper_name": "Arkwright",
      "body_type": "planet",
      "orbit_index": 2,
      "parent_body_id": null,
      "inhabited": true,
      "population": 80000000,
      "mass_class": "terrestrial",
      "surface_gravity": 0.82,
      "orbital_period_days": 10,
      "rotation_period_hours": 240,
      "atmosphere": "breathable",
      "biome_summary": "arid",
      "hydrosphere": "minimal",
      "economic_role": "extraction",
      "settlement_pattern": "urban",
      "industrial_corridor": null,
      "notes": "primary inhabited world, tidally locked, dim M4 red light, supplemental lighting agriculture, mineral extraction industry, Wave 3 settlement with 300 years of gradual cultural formation, Community Assembly, Prospect Hill Extraction Consortium"
    },
    {
      "body_id": "GJ402c-1",
      "proper_name": null,
      "body_type": "moon",
      "orbit_index": 1,
      "parent_body_id": "GJ402c",
      "inhabited": false,
      "population": 0,
      "mass_class": "dwarf",
      "surface_gravity": 0.04,
      "orbital_period_days": 4,
      "rotation_period_hours": 96,
      "atmosphere": "none",
      "biome_summary": "barren",
      "hydrosphere": "none",
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "small moon"
    },
    {
      "body_id": "GJ402d",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 3,
      "parent_body_id": null,
      "inhabited": false,
      "population": 0,
      "mass_class": "terrestrial",
      "surface_gravity": 0.35,
      "orbital_period_days": 28,
      "rotation_period_hours": 672,
      "atmosphere": "thin",
      "biome_summary": "frozen",
      "hydrosphere": "ice",
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "cold rocky, tidally locked"
    },
    {
      "body_id": "GJ402e",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 4,
      "parent_body_id": null,
      "inhabited": false,
      "population": 0,
      "mass_class": "terrestrial",
      "surface_gravity": 0.28,
      "orbital_period_days": 80,
      "rotation_period_hours": 1920,
      "atmosphere": "none",
      "biome_summary": "frozen",
      "hydrosphere": "ice",
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "frozen rocky, tidally locked"
    },
    {
      "body_id": "GJ402f",
      "proper_name": null,
      "body_type": "gas_giant",
      "orbit_index": 5,
      "parent_body_id": null,
      "inhabited": false,
      "population": 0,
      "mass_class": "gas_giant",
      "surface_gravity": null,
      "orbital_period_days": 400,
      "rotation_period_hours": 10.0,
      "atmosphere": "dense",
      "biome_summary": null,
      "hydrosphere": null,
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "moderate gas giant"
    },
    {
      "body_id": "GJ402f-1",
      "proper_name": null,
      "body_type": "moon",
      "orbit_index": 1,
      "parent_body_id": "GJ402f",
      "inhabited": false,
      "population": 0,
      "mass_class": "dwarf",
      "surface_gravity": 0.05,
      "orbital_period_days": 5,
      "rotation_period_hours": 120,
      "atmosphere": "none",
      "biome_summary": "barren",
      "hydrosphere": "none",
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "inner gas giant moon"
    },
    {
      "body_id": "GJ402f-2",
      "proper_name": null,
      "body_type": "moon",
      "orbit_index": 2,
      "parent_body_id": "GJ402f",
      "inhabited": false,
      "population": 0,
      "mass_class": "dwarf",
      "surface_gravity": 0.03,
      "orbital_period_days": 12,
      "rotation_period_hours": 288,
      "atmosphere": "none",
      "biome_summary": "frozen",
      "hydrosphere": "ice",
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "icy outer gas giant moon"
    },
    {
      "body_id": "GJ402g",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 6,
      "parent_body_id": null,
      "inhabited": false,
      "population": 0,
      "mass_class": "terrestrial",
      "surface_gravity": 0.22,
      "orbital_period_days": 1500,
      "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": "GJ402h",
      "proper_name": null,
      "body_type": "planet",
      "orbit_index": 7,
      "parent_body_id": null,
      "inhabited": false,
      "population": 0,
      "mass_class": "dwarf",
      "surface_gravity": 0.1,
      "orbital_period_days": 3800,
      "rotation_period_hours": 22.0,
      "atmosphere": "none",
      "biome_summary": "frozen",
      "hydrosphere": "ice",
      "economic_role": null,
      "settlement_pattern": null,
      "industrial_corridor": null,
      "notes": "distant ice dwarf"
    },
    {
      "body_id": "GJ402-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": "sparse belt"
    },
    {
      "body_id": "GJ402-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": "oort cloud"
    }
  ],
  "stations": [
    {
      "station_id": "GJ402c-S1",
      "proper_name": "Brindle",
      "orbits_body_id": "GJ402c",
      "station_type": "industrial",
      "population": 5000000,
      "economic_role": "extraction",
      "docking_class": "standard",
      "has_gate_infrastructure": false,
      "notes": "Prospect Hill Extraction Consortium, mineral export staging, Junction Liaison Committee, new transit services sector"
    },
    {
      "station_id": "GJ402-oort-S1",
      "proper_name": "Standish",
      "orbits_body_id": "GJ402-oort",
      "station_type": "horizon",
      "population": 0,
      "economic_role": "transit",
      "docking_class": "major",
      "has_gate_infrastructure": true,
      "notes": "horizon station, 2 apertures"
    }
  ]
}