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settled-reach/docs/atlas/proposals/GJ449.json
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{
"system_id": "GJ 449",
"proper_name": "Murakami's Lantern",
"star_type": "binary",
"spectral_class": "F8V",
"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": "GJ449Ab",
"proper_name": null,
"body_type": "planet",
"orbit_index": 1,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.28,
"orbital_period_days": 20.0,
"rotation_period_hours": 16.8,
"atmosphere": "none",
"biome_summary": "barren",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "inner scorched rocky, uninhabited"
},
{
"body_id": "GJ449Ac",
"proper_name": null,
"body_type": "planet",
"orbit_index": 2,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.52,
"orbital_period_days": 85.0,
"rotation_period_hours": 24.6,
"atmosphere": "none",
"biome_summary": "barren",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "hot inner rocky, uninhabited"
},
{
"body_id": "GJ449Ad",
"proper_name": null,
"body_type": "planet",
"orbit_index": 3,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.66,
"orbital_period_days": 280.0,
"rotation_period_hours": 29.4,
"atmosphere": "thin",
"biome_summary": "hot_arid",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "warm rocky, inner habitable zone margin, uninhabited"
},
{
"body_id": "GJ449Ae",
"proper_name": "LH-Prime",
"body_type": "planet",
"orbit_index": 4,
"parent_body_id": null,
"inhabited": true,
"population": 11000,
"mass_class": "terrestrial",
"surface_gravity": 0.88,
"orbital_period_days": 550.0,
"rotation_period_hours": 28.2,
"atmosphere": "standard",
"biome_summary": "temperate",
"hydrosphere": "liquid_water",
"economic_role": "frontier",
"settlement_pattern": "urban_concentrated",
"industrial_corridor": null,
"notes": "inhabited seismic world; binary companion tidal effects produce seismic cycling; wave_5 settlement ~40 years old; 1-aperture dead_end; frontier colony; reinforced surface installations; early-stage mineral surveys, biological samples; Founding Council governance (13 members); Engineers' Collective + Murakami Memorial Society"
},
{
"body_id": "GJ449-belt",
"proper_name": null,
"body_type": "asteroid_belt",
"orbit_index": 5,
"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": "asteroid belt; binary tidal effects produce prominent debris field"
},
{
"body_id": "GJ449Af",
"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": 1800.0,
"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, one moon"
},
{
"body_id": "GJ449Af-m1",
"proper_name": null,
"body_type": "moon",
"orbit_index": 1,
"parent_body_id": "GJ449Af",
"inhabited": false,
"population": null,
"mass_class": "dwarf",
"surface_gravity": 0.08,
"orbital_period_days": 6.0,
"rotation_period_hours": 144.0,
"atmosphere": null,
"biome_summary": "frozen",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "small icy moon, tidally locked"
},
{
"body_id": "GJ449Ag",
"proper_name": null,
"body_type": "planet",
"orbit_index": 7,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.40,
"orbital_period_days": 4400.0,
"rotation_period_hours": 36.8,
"atmosphere": "trace",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outer icy rocky, uninhabited"
},
{
"body_id": "GJ449Ah",
"proper_name": null,
"body_type": "planet",
"orbit_index": 8,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.28,
"orbital_period_days": 10000.0,
"rotation_period_hours": 42.4,
"atmosphere": "trace",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "distant icy rocky, uninhabited"
},
{
"body_id": "GJ449Ai",
"proper_name": null,
"body_type": "planet",
"orbit_index": 9,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "dwarf",
"surface_gravity": 0.10,
"orbital_period_days": 22000.0,
"rotation_period_hours": 26.2,
"atmosphere": "none",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outermost ice dwarf"
},
{
"body_id": "GJ449Aj",
"proper_name": null,
"body_type": "planet",
"orbit_index": 10,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "dwarf",
"surface_gravity": 0.10,
"orbital_period_days": 44000.0,
"rotation_period_hours": 22.6,
"atmosphere": "none",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "distant ice dwarf"
},
{
"body_id": "GJ449-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": "GJ449-oort-S1",
"proper_name": "Murakami's Lantern Horizon",
"orbits_body_id": "GJ449-oort",
"station_type": "horizon",
"population": 85,
"economic_role": "transit",
"docking_class": "major",
"has_gate_infrastructure": true,
"notes": "horizon station — 1 aperture; dead_end; connects Dài Lộ"
},
{
"station_id": "GJ449-Ae-S1",
"proper_name": "LH-Orbital",
"orbits_body_id": "GJ449Ae",
"station_type": "habitat",
"population": 1000,
"economic_role": "residential",
"docking_class": "standard",
"has_gate_infrastructure": false,
"notes": "partially completed orbital habitat; construction timeline slipped four times; scheduled completion ~8 years; designed to relocate portion of surface population"
}
]
}