Files
settled-reach/docs/atlas/proposals/GJ880.json
T
jpmschweitzerandClaude Opus 4.6 db241b88bd refactor(schema): rename biome_summary to planet_class (D-188)
"Biome" describes per-zone vegetation classification (Whittaker table).
"Planet class" describes overall planetary character. The conflation
caused the planet generator to misclassify ~270 bodies as barren.

Scope: systems.db column, schema SQL, Rust atlas code, wiki table
headers (Biome → Class), atlas proposal JSONs, all docs/decisions,
tooling scripts. Also normalizes atmosphere vocabulary (breathable →
standard) and expands planet class mapping to all 26 wiki values.
Unknown classes default to temperate for modder safety.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-06 17:10:35 +02:00

261 lines
7.3 KiB
JSON

{
"system_id": "GJ 880",
"proper_name": "Holgersen's Landing",
"star_type": "M",
"spectral_class": "M2V",
"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": "GJ880b",
"proper_name": null,
"body_type": "planet",
"orbit_index": 1,
"parent_body_id": null,
"inhabited": false,
"population": 0,
"mass_class": "terrestrial",
"surface_gravity": 0.3,
"orbital_period_days": 5,
"rotation_period_hours": 120,
"atmosphere": "none",
"planet_class": "barren",
"hydrosphere": "none",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "inner scorched, tidally locked"
},
{
"body_id": "GJ880c",
"proper_name": "Kongsberg",
"body_type": "planet",
"orbit_index": 2,
"parent_body_id": null,
"inhabited": true,
"population": 1000,
"mass_class": "terrestrial",
"surface_gravity": 0.75,
"orbital_period_days": 15,
"rotation_period_hours": 360,
"atmosphere": "breathable",
"planet_class": "temperate-cool",
"hydrosphere": "moderate",
"economic_role": "agriculture",
"settlement_pattern": "concentrated",
"industrial_corridor": null,
"notes": "primary inhabited world, tidally locked, cold damp M2 conditions, low gravity, long nights, deep winters, cave-system fermentation, native plant lacto-fermented preparation, 300-year Scandinavian food tradition adaptation, Wave 3 founding by Erik Holgersen"
},
{
"body_id": "GJ880d",
"proper_name": null,
"body_type": "planet",
"orbit_index": 3,
"parent_body_id": null,
"inhabited": false,
"population": 0,
"mass_class": "terrestrial",
"surface_gravity": 0.35,
"orbital_period_days": 40,
"rotation_period_hours": 960,
"atmosphere": "thin",
"planet_class": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "cold rocky, tidally locked"
},
{
"body_id": "GJ880e",
"proper_name": null,
"body_type": "planet",
"orbit_index": 4,
"parent_body_id": null,
"inhabited": false,
"population": 0,
"mass_class": "terrestrial",
"surface_gravity": 0.28,
"orbital_period_days": 100,
"rotation_period_hours": 16.0,
"atmosphere": "none",
"planet_class": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "frozen rocky"
},
{
"body_id": "GJ880f",
"proper_name": null,
"body_type": "gas_giant",
"orbit_index": 5,
"parent_body_id": null,
"inhabited": false,
"population": 0,
"mass_class": "gas_giant",
"surface_gravity": null,
"orbital_period_days": 550,
"rotation_period_hours": 10.5,
"atmosphere": "dense",
"planet_class": null,
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "moderate gas giant"
},
{
"body_id": "GJ880f-1",
"proper_name": null,
"body_type": "moon",
"orbit_index": 1,
"parent_body_id": "GJ880f",
"inhabited": false,
"population": 0,
"mass_class": "dwarf",
"surface_gravity": 0.05,
"orbital_period_days": 5,
"rotation_period_hours": 120,
"atmosphere": "none",
"planet_class": "barren",
"hydrosphere": "none",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "inner gas giant moon"
},
{
"body_id": "GJ880f-2",
"proper_name": null,
"body_type": "moon",
"orbit_index": 2,
"parent_body_id": "GJ880f",
"inhabited": false,
"population": 0,
"mass_class": "dwarf",
"surface_gravity": 0.03,
"orbital_period_days": 12,
"rotation_period_hours": 288,
"atmosphere": "none",
"planet_class": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "icy outer gas giant moon"
},
{
"body_id": "GJ880g",
"proper_name": null,
"body_type": "planet",
"orbit_index": 6,
"parent_body_id": null,
"inhabited": false,
"population": 0,
"mass_class": "terrestrial",
"surface_gravity": 0.22,
"orbital_period_days": 2000,
"rotation_period_hours": 18.0,
"atmosphere": "none",
"planet_class": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outer ice world"
},
{
"body_id": "GJ880h",
"proper_name": null,
"body_type": "planet",
"orbit_index": 7,
"parent_body_id": null,
"inhabited": false,
"population": 0,
"mass_class": "dwarf",
"surface_gravity": 0.1,
"orbital_period_days": 5000,
"rotation_period_hours": 22.0,
"atmosphere": "none",
"planet_class": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "distant ice dwarf"
},
{
"body_id": "GJ880-belt",
"proper_name": null,
"body_type": "asteroid_belt",
"orbit_index": 8,
"parent_body_id": null,
"inhabited": false,
"population": 0,
"mass_class": null,
"surface_gravity": null,
"orbital_period_days": null,
"rotation_period_hours": null,
"atmosphere": null,
"planet_class": null,
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "sparse belt"
},
{
"body_id": "GJ880-oort",
"proper_name": null,
"body_type": "oort_cloud",
"orbit_index": 9,
"parent_body_id": null,
"inhabited": false,
"population": 0,
"mass_class": null,
"surface_gravity": null,
"orbital_period_days": null,
"rotation_period_hours": null,
"atmosphere": null,
"planet_class": null,
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "oort cloud"
}
],
"stations": [
{
"station_id": "GJ880c-S1",
"proper_name": "Leirvik",
"orbits_body_id": "GJ880c",
"station_type": "agricultural",
"population": 500,
"economic_role": "agriculture",
"docking_class": "restricted",
"has_gate_infrastructure": false,
"notes": "production cooperative logistics, fermented product export staging, 40000 units/year"
},
{
"station_id": "GJ880-oort-S1",
"proper_name": "Hammerfest",
"orbits_body_id": "GJ880-oort",
"station_type": "horizon",
"population": 0,
"economic_role": "transit",
"docking_class": "standard",
"has_gate_infrastructure": true,
"notes": "horizon station, 1 aperture, single-gate connection to Holmgren's Passage (GJ 877)"
}
]
}