{ "system_id": "GJ 216B", "proper_name": "Gemini Point", "star_type": "binary", "spectral_class": "K2 V", "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": "GJ216Bb", "proper_name": null, "body_type": "planet", "orbit_index": 1, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "terrestrial", "surface_gravity": 0.35, "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, tidally locked"}, {"body_id": "GJ216Bc", "proper_name": null, "body_type": "planet", "orbit_index": 2, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "terrestrial", "surface_gravity": 0.48, "orbital_period_days": 55, "rotation_period_hours": 20.0, "atmosphere": "thin", "biome_summary": "arid", "hydrosphere": "none", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "hot rocky"}, {"body_id": "GJ216Bd", "proper_name": "Doublet", "body_type": "planet", "orbit_index": 3, "parent_body_id": null, "inhabited": true, "population": 40000000, "mass_class": "terrestrial", "surface_gravity": 0.88, "orbital_period_days": 130, "rotation_period_hours": 22.0, "atmosphere": "breathable", "biome_summary": "temperate", "hydrosphere": "moderate", "economic_role": "research", "settlement_pattern": "urban", "industrial_corridor": null, "notes": "primary inhabited world, binary double-illumination, shifting shadows and color temperatures, Wave 3 academic founding, Observatory Collective, Applied Arts Council, self-sufficient agriculture under binary light cycle"}, {"body_id": "GJ216Bd-1", "proper_name": null, "body_type": "moon", "orbit_index": 1, "parent_body_id": "GJ216Bd", "inhabited": false, "population": 0, "mass_class": "dwarf", "surface_gravity": 0.05, "orbital_period_days": 8, "rotation_period_hours": 192, "atmosphere": "none", "biome_summary": "barren", "hydrosphere": "none", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "small moon"}, {"body_id": "GJ216Be", "proper_name": null, "body_type": "planet", "orbit_index": 4, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "terrestrial", "surface_gravity": 0.42, "orbital_period_days": 280, "rotation_period_hours": 18.0, "atmosphere": "thin", "biome_summary": "arid", "hydrosphere": "none", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "cold rocky, outer habitable zone edge"}, {"body_id": "GJ216Bf", "proper_name": null, "body_type": "planet", "orbit_index": 5, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "terrestrial", "surface_gravity": 0.35, "orbital_period_days": 650, "rotation_period_hours": 16.0, "atmosphere": "none", "biome_summary": "frozen", "hydrosphere": "ice", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "frozen rocky"}, {"body_id": "GJ216Bg", "proper_name": null, "body_type": "planet", "orbit_index": 6, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "terrestrial", "surface_gravity": 0.28, "orbital_period_days": 1400, "rotation_period_hours": 15.0, "atmosphere": "none", "biome_summary": "frozen", "hydrosphere": "ice", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "outer frozen rocky"}, {"body_id": "GJ216Bh", "proper_name": null, "body_type": "gas_giant", "orbit_index": 7, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "gas_giant", "surface_gravity": null, "orbital_period_days": 3200, "rotation_period_hours": 11.0, "atmosphere": "dense", "biome_summary": null, "hydrosphere": null, "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "moderate gas giant"}, {"body_id": "GJ216Bh-1", "proper_name": null, "body_type": "moon", "orbit_index": 1, "parent_body_id": "GJ216Bh", "inhabited": false, "population": 0, "mass_class": "dwarf", "surface_gravity": 0.06, "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": "GJ216Bh-2", "proper_name": null, "body_type": "moon", "orbit_index": 2, "parent_body_id": "GJ216Bh", "inhabited": false, "population": 0, "mass_class": "dwarf", "surface_gravity": 0.04, "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": "GJ216Bi", "proper_name": null, "body_type": "planet", "orbit_index": 8, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "dwarf", "surface_gravity": 0.11, "orbital_period_days": 7500, "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": "GJ216B-belt", "proper_name": null, "body_type": "asteroid_belt", "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": "outer belt"}, {"body_id": "GJ216B-oort", "proper_name": null, "body_type": "oort_cloud", "orbit_index": 10, "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": "GJ216Bd-S1", "proper_name": "Burnham", "orbits_body_id": "GJ216Bd", "station_type": "research", "population": 3000000, "economic_role": "research", "docking_class": "standard", "has_gate_infrastructure": false, "notes": "Observatory Collective long-baseline stellar dynamics program, 300-year binary observation dataset, photochemistry and chronobiology programs, Applied Arts Council exhibition and trade facilities, small hospitality sector"}, {"station_id": "GJ216B-oort-S1", "proper_name": "Roche", "orbits_body_id": "GJ216B-oort", "station_type": "horizon", "population": 0, "economic_role": "transit", "docking_class": "standard", "has_gate_infrastructure": true, "notes": "horizon station, 1 aperture, single-gate connection to Lindström Station"} ] }