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settled-reach/docs/atlas/proposals/GJ357.json
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2026-03-30 00:20:10 +02:00

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{
"system_id": "GJ 357",
"proper_name": "Altmark",
"star_type": "K",
"spectral_class": "K3V",
"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": "GJ357b",
"proper_name": null,
"body_type": "planet",
"orbit_index": 1,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.40,
"orbital_period_days": 18.0,
"rotation_period_hours": 19.2,
"atmosphere": "none",
"biome_summary": "barren",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "inner rocky, hot, uninhabited"
},
{
"body_id": "GJ357c",
"proper_name": "Stendal",
"body_type": "planet",
"orbit_index": 2,
"parent_body_id": null,
"inhabited": true,
"population": 350000000,
"mass_class": "terrestrial",
"surface_gravity": 0.92,
"orbital_period_days": 200.0,
"rotation_period_hours": 27.6,
"atmosphere": "standard",
"biome_summary": "temperate",
"hydrosphere": "liquid_water",
"economic_role": "commercial",
"settlement_pattern": "urban_concentrated",
"industrial_corridor": "logistics_manufacturing",
"notes": "primary inhabited world; wave_4 German heritage (Brandenburg historical region naming); 5-aperture hub; second-largest west_reach commercial system; diversified economy: heavy fabrication, agriculture (supplemental lighting, cold-tolerant strains), financial services, transit logistics; bicameral governance (commercial council + elected assembly); Assembly trade delegate based here"
},
{
"body_id": "GJ357-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": "mining",
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "inner orbital belt; raw material source for Walzwerk fabrication"
},
{
"body_id": "GJ357d",
"proper_name": null,
"body_type": "planet",
"orbit_index": 4,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.56,
"orbital_period_days": 620.0,
"rotation_period_hours": 28.4,
"atmosphere": "thin",
"biome_summary": "cold_arid",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outer rocky, uninhabited"
},
{
"body_id": "GJ357e",
"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": 1800.0,
"rotation_period_hours": 11.2,
"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": "GJ357e-m1",
"proper_name": null,
"body_type": "moon",
"orbit_index": 1,
"parent_body_id": "GJ357e",
"inhabited": false,
"population": null,
"mass_class": "dwarf",
"surface_gravity": 0.13,
"orbital_period_days": 5.6,
"rotation_period_hours": 134.4,
"atmosphere": "trace",
"biome_summary": "frozen",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "icy moon, tidally locked"
},
{
"body_id": "GJ357e-m2",
"proper_name": null,
"body_type": "moon",
"orbit_index": 2,
"parent_body_id": "GJ357e",
"inhabited": false,
"population": null,
"mass_class": "dwarf",
"surface_gravity": 0.08,
"orbital_period_days": 12.2,
"rotation_period_hours": 292.8,
"atmosphere": null,
"biome_summary": "barren",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "small rocky moon, tidally locked"
},
{
"body_id": "GJ357f",
"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": 4800.0,
"rotation_period_hours": 34.8,
"atmosphere": "trace",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outer icy rocky, uninhabited"
},
{
"body_id": "GJ357g",
"proper_name": null,
"body_type": "planet",
"orbit_index": 7,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.35,
"orbital_period_days": 10800.0,
"rotation_period_hours": 42.6,
"atmosphere": "trace",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "distant icy rocky, uninhabited"
},
{
"body_id": "GJ357h",
"proper_name": null,
"body_type": "planet",
"orbit_index": 8,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.27,
"orbital_period_days": 22000.0,
"rotation_period_hours": 51.4,
"atmosphere": "none",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "far outer icy rocky, uninhabited"
},
{
"body_id": "GJ357i",
"proper_name": null,
"body_type": "planet",
"orbit_index": 9,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "dwarf",
"surface_gravity": 0.11,
"orbital_period_days": 44000.0,
"rotation_period_hours": 29.8,
"atmosphere": "none",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outermost dwarf, near oort boundary"
},
{
"body_id": "GJ357-oort",
"proper_name": null,
"body_type": "oort_cloud",
"orbit_index": 10,
"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": "GJ357-oort-S1",
"proper_name": "Altmark Horizon",
"orbits_body_id": "GJ357-oort",
"station_type": "horizon",
"population": 9800,
"economic_role": "transit",
"docking_class": "major",
"has_gate_infrastructure": true,
"notes": "horizon station — 5 apertures; hub; connects Hansestadt, Eisentor, Groenland, Stilmark, and Bestevaer"
},
{
"station_id": "GJ357c-S1",
"proper_name": "Markwerk",
"orbits_body_id": "GJ357c",
"station_type": "industrial",
"population": 42000,
"economic_role": "manufacturing",
"docking_class": "major",
"has_gate_infrastructure": false,
"notes": "MVG regional distribution hub; heavy fabrication complex; MVG supplier contracts; largest MVG physical footprint in outer corridor; two of nine commercial council seats"
},
{
"station_id": "GJ357c-S2",
"proper_name": "Kontor",
"orbits_body_id": "GJ357c",
"station_type": "commercial",
"population": 18000,
"economic_role": "commercial",
"docking_class": "major",
"has_gate_infrastructure": false,
"notes": "financial services complex; banks, bond houses, commercial arbitration; services trade volume from five gates; Assembly trade delegate office"
},
{
"station_id": "GJ357-belt-S1",
"proper_name": "Walzwerk",
"orbits_body_id": "GJ357-belt",
"station_type": "industrial",
"population": 8200,
"economic_role": "manufacturing",
"docking_class": "major",
"has_gate_infrastructure": false,
"notes": "inner orbital belt fabrication yard; heavy component manufacturing; supplies outward corridor systems"
},
{
"station_id": "GJ357c-S3",
"proper_name": "Torwache",
"orbits_body_id": "GJ357c",
"station_type": "commercial",
"population": 6400,
"economic_role": "transit",
"docking_class": "major",
"has_gate_infrastructure": false,
"notes": "Gate Corporation western sector secondary operations; five-aperture scheduling coordination; significant operational presence"
}
]
}