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settled-reach/docs/atlas/proposals/GJ17.json
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{
"system_id": "GJ 17",
"proper_name": "Binh Trang",
"star_type": "F",
"spectral_class": "F9V",
"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": "GJ17b",
"proper_name": null,
"body_type": "planet",
"orbit_index": 1,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.48,
"orbital_period_days": 48.0,
"rotation_period_hours": 18.6,
"atmosphere": "none",
"biome_summary": "barren",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "inner rocky, hot, uninhabited"
},
{
"body_id": "GJ17c",
"proper_name": null,
"body_type": "planet",
"orbit_index": 2,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.71,
"orbital_period_days": 180.0,
"rotation_period_hours": 23.8,
"atmosphere": "thin",
"biome_summary": "hot_arid",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "hot inner rocky, Venus-zone, uninhabited"
},
{
"body_id": "GJ17d",
"proper_name": "Binh Trang",
"body_type": "planet",
"orbit_index": 3,
"parent_body_id": null,
"inhabited": true,
"population": 520000,
"mass_class": "terrestrial",
"surface_gravity": 0.94,
"orbital_period_days": 480.0,
"rotation_period_hours": 25.2,
"atmosphere": "standard",
"biome_summary": "temperate",
"hydrosphere": "liquid_water",
"economic_role": "agricultural",
"settlement_pattern": "dispersed",
"industrial_corridor": "agricultural_export",
"notes": "primary inhabited world; wave_3 Vietnamese heritage (Kaelong offshoot); 3-aperture junction; prominent river-delta geography; agricultural cooperative governance; food surpluses exported primarily to Thornfield Station; F9V star supports better agricultural conditions than M-dwarf corridor neighbors"
},
{
"body_id": "GJ17-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": "inner asteroid belt"
},
{
"body_id": "GJ17e",
"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": 1300.0,
"rotation_period_hours": 27.4,
"atmosphere": "thin",
"biome_summary": "cold_arid",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outer rocky, uninhabited"
},
{
"body_id": "GJ17f",
"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": 3600.0,
"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": "GJ17f-m1",
"proper_name": null,
"body_type": "moon",
"orbit_index": 1,
"parent_body_id": "GJ17f",
"inhabited": false,
"population": null,
"mass_class": "dwarf",
"surface_gravity": 0.14,
"orbital_period_days": 7.2,
"rotation_period_hours": 172.8,
"atmosphere": "trace",
"biome_summary": "frozen",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "icy moon, tidally locked"
},
{
"body_id": "GJ17f-m2",
"proper_name": null,
"body_type": "moon",
"orbit_index": 2,
"parent_body_id": "GJ17f",
"inhabited": false,
"population": null,
"mass_class": "dwarf",
"surface_gravity": 0.09,
"orbital_period_days": 15.4,
"rotation_period_hours": 369.6,
"atmosphere": null,
"biome_summary": "barren",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "small rocky moon, tidally locked"
},
{
"body_id": "GJ17g",
"proper_name": null,
"body_type": "planet",
"orbit_index": 7,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.49,
"orbital_period_days": 9200.0,
"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": "GJ17h",
"proper_name": null,
"body_type": "planet",
"orbit_index": 8,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.39,
"orbital_period_days": 19000.0,
"rotation_period_hours": 44.6,
"atmosphere": "trace",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "distant icy rocky, uninhabited"
},
{
"body_id": "GJ17i",
"proper_name": null,
"body_type": "planet",
"orbit_index": 9,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.30,
"orbital_period_days": 38000.0,
"rotation_period_hours": 53.4,
"atmosphere": "none",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "far outer icy rocky, uninhabited"
},
{
"body_id": "GJ17j",
"proper_name": null,
"body_type": "planet",
"orbit_index": 10,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "dwarf",
"surface_gravity": 0.12,
"orbital_period_days": 68000.0,
"rotation_period_hours": 30.2,
"atmosphere": "none",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outermost dwarf, near oort boundary"
},
{
"body_id": "GJ17-oort",
"proper_name": null,
"body_type": "oort_cloud",
"orbit_index": 11,
"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": "GJ17-oort-S1",
"proper_name": "Binh Trang Horizon",
"orbits_body_id": "GJ17-oort",
"station_type": "horizon",
"population": 1400,
"economic_role": "transit",
"docking_class": "major",
"has_gate_infrastructure": true,
"notes": "horizon station — 3 apertures; junction; connects Kaelong, Thornfield Station, and GJ 660A; agricultural freight and outer corridor transit"
}
]
}