{
  "system_id": "GJ 729",
  "proper_name": "Ross 154",
  "star_type": "K",
  "spectral_class": "M3.5Ve",
  "wiki_data": {
    "habitable_count": 0,
    "inhabited_count": 0,
    "has_gas_giant": false,
    "has_asteroid_belt": false,
    "has_horizon_station": true,
    "raw_bodies_line": null
  },
  "bodies": [
    {"body_id": "GJ729b", "proper_name": "GJ729b", "body_type": "planet", "orbit_index": 1, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "terrestrial", "surface_gravity": 0.20, "orbital_period_days": 7, "rotation_period_hours": 168, "atmosphere": "none", "biome_summary": "barren", "hydrosphere": "none", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "inner scorched, heavy radiation"},
    {"body_id": "GJ729c", "proper_name": "GJ729c", "body_type": "planet", "orbit_index": 2, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "terrestrial", "surface_gravity": 0.35, "orbital_period_days": 22, "rotation_period_hours": 528, "atmosphere": "none", "biome_summary": "barren", "hydrosphere": "none", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "radiation-blasted"},
    {"body_id": "GJ729d", "proper_name": "GJ729d", "body_type": "planet", "orbit_index": 3, "parent_body_id": null, "inhabited": true, "population": 80000, "mass_class": "terrestrial", "surface_gravity": 0.70, "orbital_period_days": 60, "rotation_period_hours": 1440, "atmosphere": "thin", "biome_summary": "barren", "hydrosphere": "none", "economic_role": "extraction", "settlement_pattern": "cave", "industrial_corridor": null, "notes": "subsurface shielded facilities, processing operations"},
    {"body_id": "GJ729e", "proper_name": "GJ729e", "body_type": "planet", "orbit_index": 4, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "terrestrial", "surface_gravity": 0.30, "orbital_period_days": 150, "rotation_period_hours": 14.0, "atmosphere": "none", "biome_summary": "frozen", "hydrosphere": "ice", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": ""},
    {"body_id": "GJ729f", "proper_name": "GJ729f", "body_type": "planet", "orbit_index": 5, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "terrestrial", "surface_gravity": 0.25, "orbital_period_days": 400, "rotation_period_hours": 17.0, "atmosphere": "none", "biome_summary": "frozen", "hydrosphere": "none", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "outer dead"},
    {"body_id": "GJ729-oort", "proper_name": null, "body_type": "oort_cloud", "orbit_index": 6, "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": "GJ729d-S1", "proper_name": "GJ729d-S1", "orbits_body_id": "GJ729d", "station_type": "industrial", "population": 50000, "economic_role": "extraction", "docking_class": "standard", "has_gate_infrastructure": false, "notes": "orbital processing, joint operations council"},
    {"station_id": "GJ729-oort-S1", "proper_name": "Horizon Station", "orbits_body_id": "GJ729-oort", "station_type": "horizon", "population": 0, "economic_role": "transit", "docking_class": "major", "has_gate_infrastructure": true, "notes": "3 apertures"}
  ]
}