Files
settled-reach/docs/atlas/proposals/GJ380.json
T
jpmschweitzerandClaude Opus 4.6 7394a7669c data(atlas): author hop-2 systems batch 1 (5 systems)
GJ 1221 (dead white dwarf, 200-person independent research team),
Keid/Cadwal (conservation world, Vance capital, Veil Institute station),
Renaissance/Ruhr (Gate Corp HQ, 5B manufacturing),
Parallax/Estrade (media capital, 1.8B),
Sindri/Witwatersrand (DSMC mining HQ, Kimberley, Jhb Orbital, Pilbara
Belt, Dampier — DSMC footprint across entire system),
Groombridge/Lendel (financial center, 900M).

Fixed Sindri proper_name in DB (was Vargr, flagged for IP).
Atlas CLI: commit-system now auto-updates star_systems counts,
next command for hop-ordered authoring.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-24 22:39:09 +01:00

150 lines
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JSON

{
"system_id": "GJ 380",
"proper_name": "Groombridge",
"star_type": "K",
"spectral_class": "K8V",
"wiki_data": {
"habitable_count": 1,
"inhabited_count": 1,
"has_gas_giant": false,
"has_asteroid_belt": false,
"has_horizon_station": true,
"raw_bodies_line": "| **Bodies** | 1 habitable · 1 inhabited |"
},
"bodies": [
{
"body_id": "GJ380b",
"proper_name": null,
"body_type": "planet",
"orbit_index": 1,
"parent_body_id": null,
"inhabited": false,
"population": 0,
"mass_class": "terrestrial",
"surface_gravity": 0.25,
"orbital_period_days": 22,
"rotation_period_hours": 530,
"atmosphere": "none",
"biome_summary": "barren",
"hydrosphere": "none",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "inner rocky"
},
{
"body_id": "GJ380c",
"proper_name": "Lendel",
"body_type": "planet",
"orbit_index": 2,
"parent_body_id": null,
"inhabited": true,
"population": 900000000,
"mass_class": "terrestrial",
"surface_gravity": 0.82,
"orbital_period_days": 200,
"rotation_period_hours": 24.5,
"atmosphere": "breathable",
"biome_summary": "arid",
"hydrosphere": "rivers",
"economic_role": "service_mixed",
"settlement_pattern": "urban_concentrated",
"industrial_corridor": null,
"notes": "financial center, dry and stable, modest agriculture"
},
{
"body_id": "GJ380c-1",
"proper_name": null,
"body_type": "moon",
"orbit_index": 1,
"parent_body_id": "GJ380c",
"inhabited": false,
"population": 0,
"mass_class": "dwarf",
"surface_gravity": 0.05,
"orbital_period_days": 11.0,
"rotation_period_hours": 264,
"atmosphere": "none",
"biome_summary": "barren",
"hydrosphere": "none",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": ""
},
{
"body_id": "GJ380d",
"proper_name": null,
"body_type": "planet",
"orbit_index": 3,
"parent_body_id": null,
"inhabited": false,
"population": 0,
"mass_class": "terrestrial",
"surface_gravity": 0.38,
"orbital_period_days": 500,
"rotation_period_hours": 16.0,
"atmosphere": "thin",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": ""
},
{
"body_id": "GJ380e",
"proper_name": null,
"body_type": "planet",
"orbit_index": 4,
"parent_body_id": null,
"inhabited": false,
"population": 0,
"mass_class": "terrestrial",
"surface_gravity": 0.30,
"orbital_period_days": 1100,
"rotation_period_hours": 20.0,
"atmosphere": "none",
"biome_summary": "frozen",
"hydrosphere": "none",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outer dead rock"
},
{
"body_id": "GJ380-oort",
"proper_name": null,
"body_type": "oort_cloud",
"orbit_index": 5,
"parent_body_id": null,
"inhabited": false,
"population": 0,
"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": ""
}
],
"stations": [
{
"station_id": "GJ380-oort-S1",
"proper_name": "Horizon Station",
"orbits_body_id": "GJ380-oort",
"station_type": "horizon",
"population": 0,
"economic_role": "transit",
"docking_class": "standard",
"has_gate_infrastructure": true,
"notes": "2 apertures"
}
]
}