Files
settled-reach/docs/atlas/proposals/GJ320.json
T
jpmschweitzerandClaude Opus 4.6 607fd57dcd docs(sprints): mark Track D (West Reach) done in copy briefing
Also includes star_type DB fixes and proposal file updates from
the west_reach authoring session.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-30 15:35:36 +02:00

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{
"system_id": "GJ 320",
"proper_name": "Sonnwend",
"star_type": "K",
"spectral_class": "K2V",
"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": "GJ320b",
"proper_name": null,
"body_type": "planet",
"orbit_index": 1,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.42,
"orbital_period_days": 20.0,
"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": "GJ320c",
"proper_name": "Wend",
"body_type": "planet",
"orbit_index": 2,
"parent_body_id": null,
"inhabited": true,
"population": 65000000,
"mass_class": "terrestrial",
"surface_gravity": 0.90,
"orbital_period_days": 200.0,
"rotation_period_hours": 26.8,
"atmosphere": "standard",
"biome_summary": "temperate",
"hydrosphere": "liquid_water",
"economic_role": "agricultural",
"settlement_pattern": "dispersed",
"industrial_corridor": "agricultural_export",
"notes": "primary inhabited world; wave_3 German heritage; 2-aperture spur_end; K2V open-field agriculture without greenhouse enclosure; Compact of Westphalia agricultural heartland; cooperative republic governance; elected governor (five-year terms); food surplus feeds outer corridor; charter prohibits extraction contracts on agricultural land"
},
{
"body_id": "GJ320-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": "GJ320d",
"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": 640.0,
"rotation_period_hours": 28.2,
"atmosphere": "thin",
"biome_summary": "cold_arid",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outer rocky, uninhabited"
},
{
"body_id": "GJ320e",
"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": 2000.0,
"rotation_period_hours": 11.4,
"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": "GJ320e-m1",
"proper_name": null,
"body_type": "moon",
"orbit_index": 1,
"parent_body_id": "GJ320e",
"inhabited": false,
"population": null,
"mass_class": "dwarf",
"surface_gravity": 0.12,
"orbital_period_days": 5.6,
"rotation_period_hours": 134.4,
"atmosphere": null,
"biome_summary": "frozen",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "icy moon, tidally locked"
},
{
"body_id": "GJ320f",
"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": 5200.0,
"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": "GJ320g",
"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": 11800.0,
"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": "GJ320h",
"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": 24000.0,
"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": "GJ320i",
"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": 48000.0,
"rotation_period_hours": 29.6,
"atmosphere": "none",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outermost dwarf, near oort boundary"
},
{
"body_id": "GJ320-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": "GJ320-oort-S1",
"proper_name": "Sonnwend Horizon",
"orbits_body_id": "GJ320-oort",
"station_type": "horizon",
"population": 720,
"economic_role": "transit",
"docking_class": "major",
"has_gate_infrastructure": true,
"notes": "horizon station — 2 apertures; spur_end; connects Rana and Brückenau; agricultural freight staging"
},
{
"station_id": "GJ320c-S1",
"proper_name": "Kornhaus",
"orbits_body_id": "GJ320c",
"station_type": "agricultural",
"population": 4200,
"economic_role": "agricultural",
"docking_class": "major",
"has_gate_infrastructure": false,
"notes": "cooperative agricultural exchange and cold-storage freight facility; bulk grain, preserved root crops, dried protein legumes; Compact supply coordination staging"
}
]
}