data(atlas): author Lacaille (GJ 825) + Koskinen's Reach (GJ 876)

Lacaille: Arbroath, Méchain
Koskinen's Reach: Kuhmo, Halti

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
2026-03-25 17:20:05 +01:00
co-authored by Claude Opus 4.6
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{
"system_id": "GJ 825",
"proper_name": "Lacaille",
"star_type": "M",
"spectral_class": "M1/M2V",
"wiki_data": {
"habitable_count": 0,
"inhabited_count": 0,
"has_gas_giant": true,
"has_asteroid_belt": true,
"has_horizon_station": true,
"raw_bodies_line": null
},
"bodies": [
{"body_id": "GJ825b", "proper_name": null, "body_type": "planet", "orbit_index": 1, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "terrestrial", "surface_gravity": 0.32, "orbital_period_days": 5, "rotation_period_hours": 120, "atmosphere": "none", "biome_summary": "barren", "hydrosphere": "none", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "inner scorched, tidally locked"},
{"body_id": "GJ825c", "proper_name": null, "body_type": "planet", "orbit_index": 2, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "terrestrial", "surface_gravity": 0.48, "orbital_period_days": 15, "rotation_period_hours": 360, "atmosphere": "thin", "biome_summary": "barren", "hydrosphere": "none", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "marginal, edge of habitable zone, tidally locked, station anchor point"},
{"body_id": "GJ825d", "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": 40, "rotation_period_hours": 960, "atmosphere": "thin", "biome_summary": "frozen", "hydrosphere": "ice", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "cold rocky"},
{"body_id": "GJ825e", "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": 120, "rotation_period_hours": 2880, "atmosphere": "none", "biome_summary": "frozen", "hydrosphere": "ice", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "frozen rocky"},
{"body_id": "GJ825f", "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": 700, "rotation_period_hours": 10.5, "atmosphere": "dense", "biome_summary": null, "hydrosphere": null, "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "moderate gas giant"},
{"body_id": "GJ825f-1", "proper_name": null, "body_type": "moon", "orbit_index": 1, "parent_body_id": "GJ825f", "inhabited": false, "population": 0, "mass_class": "dwarf", "surface_gravity": 0.06, "orbital_period_days": 4, "rotation_period_hours": 96, "atmosphere": "none", "biome_summary": "barren", "hydrosphere": "none", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "inner gas giant moon"},
{"body_id": "GJ825f-2", "proper_name": null, "body_type": "moon", "orbit_index": 2, "parent_body_id": "GJ825f", "inhabited": false, "population": 0, "mass_class": "dwarf", "surface_gravity": 0.04, "orbital_period_days": 10, "rotation_period_hours": 240, "atmosphere": "none", "biome_summary": "frozen", "hydrosphere": "ice", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "icy outer gas giant moon"},
{"body_id": "GJ825g", "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": 2200, "rotation_period_hours": 18.0, "atmosphere": "none", "biome_summary": "frozen", "hydrosphere": "ice", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "outer ice world"},
{"body_id": "GJ825h", "proper_name": null, "body_type": "planet", "orbit_index": 7, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "dwarf", "surface_gravity": 0.11, "orbital_period_days": 5500, "rotation_period_hours": 22.0, "atmosphere": "none", "biome_summary": "frozen", "hydrosphere": "ice", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "distant ice dwarf"},
{"body_id": "GJ825-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, "biome_summary": null, "hydrosphere": null, "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "outer belt"},
{"body_id": "GJ825-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, "biome_summary": null, "hydrosphere": null, "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "oort cloud"}
],
"stations": [
{"station_id": "GJ825c-S1", "proper_name": "Arbroath", "orbits_body_id": "GJ825c", "station_type": "commercial", "population": 500000000, "economic_role": "transit", "docking_class": "major", "has_gate_infrastructure": false, "notes": "primary junction hub, Lacaille Civic Parliament, 300-year procedural record, bonded transit facilities, Assembly full delegate office and permanent assessment liaison, Gate Corporation senior operational presence"},
{"station_id": "GJ825-oort-S1", "proper_name": "Méchain", "orbits_body_id": "GJ825-oort", "station_type": "horizon", "population": 2000, "economic_role": "transit", "docking_class": "major", "has_gate_infrastructure": true, "notes": "horizon station, 3 apertures, Gate Corp maintenance crew"}
]
}
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{
"system_id": "GJ 876",
"proper_name": "Koskinen's Reach",
"star_type": "binary",
"spectral_class": "M5",
"wiki_data": {
"habitable_count": 0,
"inhabited_count": 0,
"has_gas_giant": true,
"has_asteroid_belt": true,
"has_horizon_station": true,
"raw_bodies_line": null
},
"bodies": [
{"body_id": "GJ876b", "proper_name": null, "body_type": "planet", "orbit_index": 1, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "terrestrial", "surface_gravity": 0.28, "orbital_period_days": 3, "rotation_period_hours": 72, "atmosphere": "none", "biome_summary": "barren", "hydrosphere": "none", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "inner scorched, tidally locked"},
{"body_id": "GJ876c", "proper_name": null, "body_type": "planet", "orbit_index": 2, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "terrestrial", "surface_gravity": 0.52, "orbital_period_days": 10, "rotation_period_hours": 240, "atmosphere": "none", "biome_summary": "barren", "hydrosphere": "none", "economic_role": "extraction", "settlement_pattern": null, "industrial_corridor": null, "notes": "resource-rich inner rocky, gravitationally concentrated mineral deposits from binary dynamics, primary extraction target, station anchor"},
{"body_id": "GJ876d", "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": 28, "rotation_period_hours": 672, "atmosphere": "thin", "biome_summary": "frozen", "hydrosphere": "ice", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "cold rocky"},
{"body_id": "GJ876e", "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": 80, "rotation_period_hours": 1920, "atmosphere": "none", "biome_summary": "frozen", "hydrosphere": "ice", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "frozen rocky"},
{"body_id": "GJ876f", "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": 400, "rotation_period_hours": 10.0, "atmosphere": "dense", "biome_summary": null, "hydrosphere": null, "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "moderate gas giant, binary dynamics affect outer orbit stability"},
{"body_id": "GJ876f-1", "proper_name": null, "body_type": "moon", "orbit_index": 1, "parent_body_id": "GJ876f", "inhabited": false, "population": 0, "mass_class": "dwarf", "surface_gravity": 0.05, "orbital_period_days": 5, "rotation_period_hours": 120, "atmosphere": "none", "biome_summary": "barren", "hydrosphere": "none", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "inner gas giant moon"},
{"body_id": "GJ876f-2", "proper_name": null, "body_type": "moon", "orbit_index": 2, "parent_body_id": "GJ876f", "inhabited": false, "population": 0, "mass_class": "dwarf", "surface_gravity": 0.03, "orbital_period_days": 12, "rotation_period_hours": 288, "atmosphere": "none", "biome_summary": "frozen", "hydrosphere": "ice", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "icy outer gas giant moon"},
{"body_id": "GJ876g", "proper_name": null, "body_type": "planet", "orbit_index": 6, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "terrestrial", "surface_gravity": 0.20, "orbital_period_days": 1400, "rotation_period_hours": 18.0, "atmosphere": "none", "biome_summary": "frozen", "hydrosphere": "ice", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "outer ice world, binary orbital perturbations"},
{"body_id": "GJ876h", "proper_name": null, "body_type": "planet", "orbit_index": 7, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "dwarf", "surface_gravity": 0.10, "orbital_period_days": 3200, "rotation_period_hours": 20.0, "atmosphere": "none", "biome_summary": "frozen", "hydrosphere": "ice", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "distant ice dwarf, binary perturbations"},
{"body_id": "GJ876-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, "biome_summary": null, "hydrosphere": null, "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "sparse belt, binary dynamics shape distribution"},
{"body_id": "GJ876-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, "biome_summary": null, "hydrosphere": null, "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "oort cloud"}
],
"stations": [
{"station_id": "GJ876c-S1", "proper_name": "Kuhmo", "orbits_body_id": "GJ876c", "station_type": "industrial", "population": 25000000, "economic_role": "extraction", "docking_class": "standard", "has_gate_infrastructure": false, "notes": "community settlement and extraction station, Finnish-heritage founding, Koskinen Community Council, sustainable-equilibrium mining, high local self-sufficiency"},
{"station_id": "GJ876-oort-S1", "proper_name": "Halti", "orbits_body_id": "GJ876-oort", "station_type": "horizon", "population": 0, "economic_role": "transit", "docking_class": "major", "has_gate_infrastructure": true, "notes": "horizon station, 2 apertures, 17-year periapsis cycle affects navigational reference systems"}
]
}
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Lacaille is called out explicitly in the cultural framework as having "strong institutional character consistent with this corridor" — this page reflects that anchor function. Wave_2, hop-4 placement reflects an early junction established before the inner reach was fully charted; the M1/M2V dwarf has no habitable worlds, so population settled on platforms as they did at Wolf 359, but the transit demand of early Wave 2 expansion made Lacaille's junction position valuable enough to develop into a permanent community. The name was abbreviated from the catalog designation Lacaille 8760 — no one proposed a formal settlement name during the chaotic early Wave 2 period and the astronomical name stuck.
## 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 | `GJ825b` | — | planet | no | — | terrestrial | 0.32g | 5 | 120.0 | none | barren | none | — | — | — |
| 2 | `GJ825c` | — | planet | no | — | terrestrial | 0.48g | 15 | 360.0 | thin | barren | none | — | — | — |
| 3 | `GJ825d` | — | planet | no | — | terrestrial | 0.38g | 40 | 960.0 | thin | frozen | ice | — | — | — |
| 4 | `GJ825e` | — | planet | no | — | terrestrial | 0.30g | 120 | 2880.0 | none | frozen | ice | — | — | — |
| 5 | `GJ825f` | — | gas_giant | no | — | gas_giant | — | 700 | 10.5 | dense | — | — | — | — | — |
| ↳ 5.1 | `GJ825f-1` | — | moon | no | — | dwarf | 0.06g | 4 | 96.0 | none | barren | none | — | — | — |
| ↳ 5.2 | `GJ825f-2` | — | moon | no | — | dwarf | 0.04g | 10 | 240.0 | none | frozen | ice | — | — | — |
| 6 | `GJ825g` | — | planet | no | — | terrestrial | 0.22g | 2200 | 18.0 | none | frozen | ice | — | — | — |
| 7 | `GJ825h` | — | planet | no | — | dwarf | 0.11g | 5500 | 22.0 | none | frozen | ice | — | — | — |
| 8 | `GJ825-belt` | — | asteroid_belt | no | — | — | — | — | — | — | — | — | — | — | — |
| 9 | `GJ825-oort` | — | oort_cloud | no | — | — | — | — | — | — | — | — | — | — | — |
### Stations & Facilities
| ID | Name | Type | Orbits | Population | Economy | Governance | Docking | Gate | Districts |
|---|---|---|---|---|---|---|---|---|---|
| `GJ825-oort-S1` | Méchain | horizon | `GJ825-oort` | 2K | transit | — | major | yes | 1 |
| `GJ825c-S1` | Arbroath | commercial | `GJ825c` | 500M | transit | — | major | no | 1 |
## Topology
<!-- READ-ONLY — regenerated from star-map.json edges -->
- **Hop Distance from Gateway:** 4
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## Calibration Note
Binary-type system at hop 4 with spur_end topology creates genuine narrative isolation — neither adjacent system (GJ 3820, GJ 661A) is written, so this page is designed to stand independently without referencing them as developed communities. Wave_3 founding at this level of isolation is plausible for a prospecting expedition that found viable resources but not spectacular ones.
## 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 | `GJ876b` | — | planet | no | — | terrestrial | 0.28g | 3 | 72.0 | none | barren | none | — | — | — |
| 2 | `GJ876c` | — | planet | no | — | terrestrial | 0.52g | 10 | 240.0 | none | barren | none | extraction | — | — |
| 3 | `GJ876d` | — | planet | no | — | terrestrial | 0.35g | 28 | 672.0 | thin | frozen | ice | — | — | — |
| 4 | `GJ876e` | — | planet | no | — | terrestrial | 0.28g | 80 | 1920.0 | none | frozen | ice | — | — | — |
| 5 | `GJ876f` | — | gas_giant | no | — | gas_giant | — | 400 | 10.0 | dense | — | — | — | — | — |
| ↳ 5.1 | `GJ876f-1` | — | moon | no | — | dwarf | 0.05g | 5 | 120.0 | none | barren | none | — | — | — |
| ↳ 5.2 | `GJ876f-2` | — | moon | no | — | dwarf | 0.03g | 12 | 288.0 | none | frozen | ice | — | — | — |
| 6 | `GJ876g` | — | planet | no | — | terrestrial | 0.20g | 1400 | 18.0 | none | frozen | ice | — | — | — |
| 7 | `GJ876h` | — | planet | no | — | dwarf | 0.10g | 3200 | 20.0 | none | frozen | ice | — | — | — |
| 8 | `GJ876-belt` | — | asteroid_belt | no | — | — | — | — | — | — | — | — | — | — | — |
| 9 | `GJ876-oort` | — | oort_cloud | no | — | — | — | — | — | — | — | — | — | — | — |
### Stations & Facilities
| ID | Name | Type | Orbits | Population | Economy | Governance | Docking | Gate | Districts |
|---|---|---|---|---|---|---|---|---|---|
| `GJ876-oort-S1` | Halti | horizon | `GJ876-oort` | — | transit | — | major | yes | 1 |
| `GJ876c-S1` | Kuhmo | industrial | `GJ876c` | 25M | extraction | — | standard | no | 1 |