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settled-reach/docs/atlas/proposals/GJ581.json
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{
"system_id": "GJ 581",
"proper_name": "Rødvik",
"star_type": "M",
"spectral_class": "M5",
"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": "GJ581b",
"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": 3.8,
"rotation_period_hours": 91.2,
"atmosphere": "none",
"biome_summary": "barren",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "inner scorched rocky, tidally locked"
},
{
"body_id": "GJ581c",
"proper_name": "Glødberg",
"body_type": "planet",
"orbit_index": 2,
"parent_body_id": null,
"inhabited": true,
"population": 8200,
"mass_class": "terrestrial",
"surface_gravity": 0.82,
"orbital_period_days": 12.0,
"rotation_period_hours": 288.0,
"atmosphere": "standard",
"biome_summary": "geothermal",
"hydrosphere": "subsurface_liquid",
"economic_role": "mining",
"settlement_pattern": "underground_concentrated",
"industrial_corridor": "geothermal_energy",
"notes": "primary inhabited world; tidally locked; wave_5 Norwegian survey heritage; 2-aperture loop_member; close orbit produces substantial tidal heating; geothermal energy infrastructure (portable fuel cell export); energy cooperative governance; Assembly development grant recipient"
},
{
"body_id": "GJ581-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": "GJ581d",
"proper_name": null,
"body_type": "planet",
"orbit_index": 4,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.44,
"orbital_period_days": 68.0,
"rotation_period_hours": 21.4,
"atmosphere": "trace",
"biome_summary": "frozen",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outer rocky, frozen, uninhabited"
},
{
"body_id": "GJ581e",
"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": 280.0,
"rotation_period_hours": 12.8,
"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": "GJ581e-m1",
"proper_name": null,
"body_type": "moon",
"orbit_index": 1,
"parent_body_id": "GJ581e",
"inhabited": false,
"population": null,
"mass_class": "dwarf",
"surface_gravity": 0.10,
"orbital_period_days": 4.8,
"rotation_period_hours": 115.2,
"atmosphere": null,
"biome_summary": "frozen",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "small icy moon, tidally locked"
},
{
"body_id": "GJ581f",
"proper_name": null,
"body_type": "planet",
"orbit_index": 6,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.34,
"orbital_period_days": 860.0,
"rotation_period_hours": 29.6,
"atmosphere": "trace",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outer icy rocky, uninhabited"
},
{
"body_id": "GJ581g",
"proper_name": null,
"body_type": "planet",
"orbit_index": 7,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.26,
"orbital_period_days": 2400.0,
"rotation_period_hours": 37.8,
"atmosphere": "trace",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "distant icy rocky, uninhabited"
},
{
"body_id": "GJ581h",
"proper_name": null,
"body_type": "planet",
"orbit_index": 8,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "dwarf",
"surface_gravity": 0.11,
"orbital_period_days": 5600.0,
"rotation_period_hours": 24.6,
"atmosphere": "none",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outermost ice dwarf"
},
{
"body_id": "GJ581-oort",
"proper_name": null,
"body_type": "oort_cloud",
"orbit_index": 9,
"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": "GJ581-oort-S1",
"proper_name": "Rødvik Horizon",
"orbits_body_id": "GJ581-oort",
"station_type": "horizon",
"population": 340,
"economic_role": "transit",
"docking_class": "major",
"has_gate_infrastructure": true,
"notes": "horizon station — 2 apertures; loop_member; connects Neustadt and Thorvaldsen's Circuit; fuel cell export staging"
},
{
"station_id": "GJ581c-S1",
"proper_name": "Samvirke",
"orbits_body_id": "GJ581c",
"station_type": "industrial",
"population": 1800,
"economic_role": "mining",
"docking_class": "standard",
"has_gate_infrastructure": false,
"notes": "geothermal energy cooperative operations; tidal heating exploitation; portable fuel cell manufacturing and export; Assembly development grant infrastructure"
}
]
}