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data(atlas): author GJ 205 (Kurashiki) — east_reach

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Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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jpmschweitzer
2026-03-29 13:57:28 +02:00
co-authored by Claude Opus 4.6
parent 94954a501a
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docs/atlas/proposals/GJ205.json
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{
"system_id": "GJ 205",
"proper_name": "Kurashiki",
"star_type": "M",
"spectral_class": "M1V",
"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": "GJ205b",
"proper_name": null,
"body_type": "planet",
"orbit_index": 1,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.34,
"orbital_period_days": 6.8,
"rotation_period_hours": 163.2,
"atmosphere": "none",
"biome_summary": "barren",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "inner scorched rocky, tidally locked"
},
{
"body_id": "GJ205c",
"proper_name": "Kurashiki",
"body_type": "planet",
"orbit_index": 2,
"parent_body_id": null,
"inhabited": true,
"population": 420000,
"mass_class": "terrestrial",
"surface_gravity": 0.79,
"orbital_period_days": 95.0,
"rotation_period_hours": 2280.0,
"atmosphere": "standard",
"biome_summary": "temperate_terminator",
"hydrosphere": "liquid_water",
"economic_role": "manufacturing",
"settlement_pattern": "urban_concentrated",
"industrial_corridor": "component_finishing",
"notes": "primary inhabited world; tidally locked; wave_4 Japanese heritage (Okayama); industrial processing and finishing relay; cooperative governance with rotating administrative boards; refines and assembles Matsue-origin components; quality certification economy"
},
{
"body_id": "GJ205-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": "GJ205d",
"proper_name": null,
"body_type": "planet",
"orbit_index": 4,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.48,
"orbital_period_days": 140.0,
"rotation_period_hours": 22.4,
"atmosphere": "thin",
"biome_summary": "frozen",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outer rocky, cold, uninhabited"
},
{
"body_id": "GJ205e",
"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": 580.0,
"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, two moons"
},
{
"body_id": "GJ205e-m1",
"proper_name": null,
"body_type": "moon",
"orbit_index": 1,
"parent_body_id": "GJ205e",
"inhabited": false,
"population": null,
"mass_class": "dwarf",
"surface_gravity": 0.12,
"orbital_period_days": 4.8,
"rotation_period_hours": 115.2,
"atmosphere": "trace",
"biome_summary": "frozen",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "icy moon, tidally locked"
},
{
"body_id": "GJ205e-m2",
"proper_name": null,
"body_type": "moon",
"orbit_index": 2,
"parent_body_id": "GJ205e",
"inhabited": false,
"population": null,
"mass_class": "dwarf",
"surface_gravity": 0.08,
"orbital_period_days": 10.2,
"rotation_period_hours": 244.8,
"atmosphere": null,
"biome_summary": "barren",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "small rocky moon, tidally locked"
},
{
"body_id": "GJ205f",
"proper_name": null,
"body_type": "planet",
"orbit_index": 6,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.37,
"orbital_period_days": 1800.0,
"rotation_period_hours": 33.6,
"atmosphere": "trace",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outer icy rocky, uninhabited"
},
{
"body_id": "GJ205g",
"proper_name": null,
"body_type": "planet",
"orbit_index": 7,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.28,
"orbital_period_days": 4600.0,
"rotation_period_hours": 41.2,
"atmosphere": "trace",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "distant icy rocky, uninhabited"
},
{
"body_id": "GJ205h",
"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": 9200.0,
"rotation_period_hours": 26.8,
"atmosphere": "none",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outermost ice dwarf"
},
{
"body_id": "GJ205-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": "GJ205-oort-S1",
"proper_name": "Kurashiki Horizon",
"orbits_body_id": "GJ205-oort",
"station_type": "horizon",
"population": 860,
"economic_role": "transit",
"docking_class": "major",
"has_gate_infrastructure": true,
"notes": "horizon station — 2 apertures; through_route; connects Matsue and Whitfield Crossing; component and finished-goods freight staging"
}
]
}
wiki/star-systems/GJ-205/index.md
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`wave_4` at `hop 5` as a `through_route` is consistent with deliberate industrial siting: the system was developed for its processing function once the corridor's commercial logic made that function valuable. Japanese-heritage founding community is consistent with the east_reach corridor. The naming convention — a historic Japanese manufacturing city — reflects Section 6.3's Earth-geography transplant category, kept under 30-40% of any given corridor path. The M1V star classification is consistent with an industrial processing economy; surface agriculture exists but is not the system's primary function, and M-dwarf energy profiles suit processing facilities that have controlled energy input requirements.
## Celestial Bodies
<!-- READ-ONLY — generated from systems.db bodies/stations tables -->
| Orbit | ID | Name | Type | Inhabited | Pop | Mass | Gravity | Year (d) | Day (h) | Atmo | Biome | Hydro | Economy | Settlement | Industrial |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | `GJ205b` | — | planet | no | — | terrestrial | 0.34g | 7 | 163.2 | none | barren | — | — | — | — |
| 2 | `GJ205c` | Kurashiki | planet | yes | 420K | terrestrial | 0.79g | 95 | 2280.0 | standard | temperate_terminator | liquid_water | manufacturing | urban_concentrated | component_finishing |
| 3 | `GJ205-belt` | — | asteroid_belt | no | — | — | — | — | — | — | — | — | — | — | — |
| 4 | `GJ205d` | — | planet | no | — | terrestrial | 0.48g | 140 | 22.4 | thin | frozen | — | — | — | — |
| 5 | `GJ205e` | — | gas_giant | no | — | — | — | 580 | 11.4 | gas_giant | — | — | — | — | — |
| ↳ 5.1 | `GJ205e-m1` | — | moon | no | — | dwarf | 0.12g | 5 | 115.2 | trace | frozen | — | — | — | — |
| ↳ 5.2 | `GJ205e-m2` | — | moon | no | — | dwarf | 0.08g | 10 | 244.8 | — | barren | — | — | — | — |
| 6 | `GJ205f` | — | planet | no | — | terrestrial | 0.37g | 1800 | 33.6 | trace | frozen | ice | — | — | — |
| 7 | `GJ205g` | — | planet | no | — | terrestrial | 0.28g | 4600 | 41.2 | trace | frozen | ice | — | — | — |
| 8 | `GJ205h` | — | planet | no | — | dwarf | 0.11g | 9200 | 26.8 | none | frozen | ice | — | — | — |
| 9 | `GJ205-oort` | — | oort_cloud | no | — | — | — | — | — | — | — | — | — | — | — |
### Stations & Facilities
| ID | Name | Type | Orbits | Population | Economy | Governance | Docking | Gate | Districts |
|---|---|---|---|---|---|---|---|---|---|
| `GJ205-oort-S1` | Kurashiki Horizon | horizon | `GJ205-oort` | 860 | transit | — | major | yes | 1 |
## Topology
<!-- READ-ONLY — regenerated from star-map.json edges -->
- **Hop Distance from Gateway:** 5