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settled-reach/docs/atlas/proposals/GJ147.json
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2026-04-03 12:10:51 +02:00

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{
"system_id": "GJ 147",
"proper_name": "Entremeio",
"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": "GJ147b",
"proper_name": null,
"body_type": "planet",
"orbit_index": 1,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.52,
"orbital_period_days": 58.0,
"rotation_period_hours": 18.4,
"atmosphere": "none",
"biome_summary": "barren",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "inner rocky, hot, uninhabited"
},
{
"body_id": "GJ147c",
"proper_name": "Almeirim",
"body_type": "planet",
"orbit_index": 2,
"parent_body_id": null,
"inhabited": true,
"population": 700,
"mass_class": "terrestrial",
"surface_gravity": 0.90,
"orbital_period_days": 480.0,
"rotation_period_hours": 26.6,
"atmosphere": "thin",
"biome_summary": "temperate",
"hydrosphere": "liquid_water",
"economic_role": "agricultural",
"settlement_pattern": "urban_concentrated",
"industrial_corridor": null,
"notes": "primary inhabited world; wave_4 mixed south_reach heritage (Brazilian-Portuguese, Filipino, Indonesian); 2-aperture through_route; F9V near-solar star with distant M-dwarf companion ('the follower'); thin atmosphere requiring supplemental pressure at low elevations; equatorial lakeside settlement in microclimate; elected municipal council governance (four-year terms); last conventional settlement on corridor to Abzu; corridor provisioning services; 40% caloric needs still imported"
},
{
"body_id": "GJ147-belt",
"proper_name": null,
"body_type": "asteroid_belt",
"orbit_index": 3,
"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": "sparse asteroid belt"
},
{
"body_id": "GJ147d",
"proper_name": null,
"body_type": "planet",
"orbit_index": 4,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.66,
"orbital_period_days": 1100.0,
"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, cold, uninhabited"
},
{
"body_id": "GJ147e",
"proper_name": null,
"body_type": "gas_giant",
"orbit_index": 5,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": null,
"surface_gravity": null,
"orbital_period_days": 3600.0,
"rotation_period_hours": 11.6,
"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": "GJ147e-m1",
"proper_name": null,
"body_type": "moon",
"orbit_index": 1,
"parent_body_id": "GJ147e",
"inhabited": false,
"population": null,
"mass_class": "dwarf",
"surface_gravity": 0.12,
"orbital_period_days": 6.8,
"rotation_period_hours": 163.2,
"atmosphere": "none",
"biome_summary": "frozen",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "icy moon, tidally locked"
},
{
"body_id": "GJ147f",
"proper_name": null,
"body_type": "planet",
"orbit_index": 6,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.44,
"orbital_period_days": 8800.0,
"rotation_period_hours": 38.8,
"atmosphere": "trace",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outer icy rocky, uninhabited"
},
{
"body_id": "GJ147g",
"proper_name": null,
"body_type": "planet",
"orbit_index": 7,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.39,
"orbital_period_days": 20000.0,
"rotation_period_hours": 47.6,
"atmosphere": "trace",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "distant icy rocky, uninhabited"
},
{
"body_id": "GJ147h",
"proper_name": null,
"body_type": "planet",
"orbit_index": 8,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.25,
"orbital_period_days": 44000.0,
"rotation_period_hours": 57.2,
"atmosphere": "none",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "far outer icy rocky, uninhabited"
},
{
"body_id": "GJ147i",
"proper_name": null,
"body_type": "planet",
"orbit_index": 9,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.22,
"orbital_period_days": 64000.0,
"rotation_period_hours": 42.8,
"atmosphere": "none",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "distant icy rocky, uninhabited"
},
{
"body_id": "GJ147j",
"proper_name": null,
"body_type": "planet",
"orbit_index": 10,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "dwarf",
"surface_gravity": 0.11,
"orbital_period_days": 96000.0,
"rotation_period_hours": 28.4,
"atmosphere": "none",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outermost dwarf, near oort boundary"
},
{
"body_id": "GJ147-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": "GJ147-oort-S1",
"proper_name": "Entremeio Horizon",
"orbits_body_id": "GJ147-oort",
"station_type": "horizon",
"population": 35,
"economic_role": "transit",
"docking_class": "major",
"has_gate_infrastructure": true,
"notes": "horizon station — 2 apertures; through_route; connects Nova Estrada and Dalim corridor; last conventional provisioning stop before deep chain toward Abzu; corridor provisioning services"
}
]
}