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data(atlas): author Uusi Vantaa (GJ 1230A) — Talvela, Toivola, Pohjola

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Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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jpmschweitzer
2026-03-25 16:17:47 +01:00
co-authored by Claude Opus 4.6
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docs/atlas/proposals/GJ1230A.json
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{
"system_id": "GJ 1230A",
"proper_name": "Uusi Vantaa",
"star_type": "K",
"spectral_class": "k-m",
"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": "GJ1230Ab", "proper_name": null, "body_type": "planet", "orbit_index": 1, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "terrestrial", "surface_gravity": 0.35, "orbital_period_days": 12, "rotation_period_hours": 288, "atmosphere": "none", "biome_summary": "barren", "hydrosphere": "none", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "inner scorched rocky, tidally locked"},
{"body_id": "GJ1230Ac", "proper_name": null, "body_type": "planet", "orbit_index": 2, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "terrestrial", "surface_gravity": 0.45, "orbital_period_days": 32, "rotation_period_hours": 500, "atmosphere": "none", "biome_summary": "barren", "hydrosphere": "none", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "hot rocky, near-locked rotation"},
{"body_id": "GJ1230Ad", "proper_name": "Talvela", "body_type": "planet", "orbit_index": 3, "parent_body_id": null, "inhabited": true, "population": 8000000, "mass_class": "terrestrial", "surface_gravity": 0.82, "orbital_period_days": 95, "rotation_period_hours": 20.5, "atmosphere": "breathable", "biome_summary": "temperate-cool", "hydrosphere": "moderate", "economic_role": "transit", "settlement_pattern": "concentrated", "industrial_corridor": null, "notes": "primary inhabited world, Wave 5 colony, Finnish-heritage community, import-dependent"},
{"body_id": "GJ1230Ad-1", "proper_name": null, "body_type": "moon", "orbit_index": 1, "parent_body_id": "GJ1230Ad", "inhabited": false, "population": 0, "mass_class": "dwarf", "surface_gravity": 0.04, "orbital_period_days": 8, "rotation_period_hours": 192, "atmosphere": "none", "biome_summary": "barren", "hydrosphere": "none", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "small moon, tidally locked to parent"},
{"body_id": "GJ1230Ae", "proper_name": null, "body_type": "planet", "orbit_index": 4, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "terrestrial", "surface_gravity": 0.40, "orbital_period_days": 210, "rotation_period_hours": 17.0, "atmosphere": "thin", "biome_summary": "arid", "hydrosphere": "none", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "cold rocky, beyond habitable zone"},
{"body_id": "GJ1230Af", "proper_name": null, "body_type": "planet", "orbit_index": 5, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "terrestrial", "surface_gravity": 0.35, "orbital_period_days": 440, "rotation_period_hours": 15.5, "atmosphere": "thin", "biome_summary": "frozen", "hydrosphere": "ice", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "frozen rocky"},
{"body_id": "GJ1230Ag", "proper_name": null, "body_type": "gas_giant", "orbit_index": 6, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "gas_giant", "surface_gravity": null, "orbital_period_days": 1450, "rotation_period_hours": 12.0, "atmosphere": "dense", "biome_summary": null, "hydrosphere": null, "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "moderate gas giant"},
{"body_id": "GJ1230Ag-1", "proper_name": null, "body_type": "moon", "orbit_index": 1, "parent_body_id": "GJ1230Ag", "inhabited": false, "population": 0, "mass_class": "dwarf", "surface_gravity": 0.06, "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": "GJ1230Ag-2", "proper_name": null, "body_type": "moon", "orbit_index": 2, "parent_body_id": "GJ1230Ag", "inhabited": false, "population": 0, "mass_class": "dwarf", "surface_gravity": 0.04, "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": "GJ1230Ah", "proper_name": null, "body_type": "planet", "orbit_index": 7, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "terrestrial", "surface_gravity": 0.28, "orbital_period_days": 3400, "rotation_period_hours": 14.0, "atmosphere": "none", "biome_summary": "frozen", "hydrosphere": "ice", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "outer ice world"},
{"body_id": "GJ1230Ai", "proper_name": null, "body_type": "planet", "orbit_index": 8, "parent_body_id": null, "inhabited": false, "population": 0, "mass_class": "terrestrial", "surface_gravity": 0.22, "orbital_period_days": 6600, "rotation_period_hours": 18.0, "atmosphere": "none", "biome_summary": "frozen", "hydrosphere": "ice", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "distant ice dwarf"},
{"body_id": "GJ1230A-belt", "proper_name": null, "body_type": "asteroid_belt", "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": "sparse outer belt"},
{"body_id": "GJ1230A-oort", "proper_name": null, "body_type": "oort_cloud", "orbit_index": 10, "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": "GJ1230Ad-S1", "proper_name": "Toivola", "orbits_body_id": "GJ1230Ad", "station_type": "transit", "population": 3500, "economic_role": "transit", "docking_class": "standard", "has_gate_infrastructure": false, "notes": "loop node transit station, through-freight servicing"},
{"station_id": "GJ1230A-oort-S1", "proper_name": "Pohjola", "orbits_body_id": "GJ1230A-oort", "station_type": "horizon", "population": 0, "economic_role": "transit", "docking_class": "major", "has_gate_infrastructure": true, "notes": "horizon station, 2 apertures"}
]
}
wiki/star-systems/GJ-1230A/index.md
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Wave_5, loop_member at hop 4 reflects deliberate late activation to close a gap in the transit network — the loop between GJ 663A and GJ 825 reduces routing time for a significant inner-reach freight flow, and the Assembly funded activation specifically for that infrastructure purpose. The Finnish heritage is a cross-corridor exception produced by a three-generation migration chain following employment rather than cultural affinity — consistent with the cultural framework's note that inner-reach junctions draw cross-corridor settlers through corporate and institutional migration. The k-m spectral designation reflects a very cool, low-luminosity star with limited habitable-zone potential, which explains the system's dependency character.
## 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 | `GJ1230Ab` | — | planet | no | — | terrestrial | 0.35g | 12 | 288.0 | none | barren | none | — | — | — |
| 2 | `GJ1230Ac` | — | planet | no | — | terrestrial | 0.45g | 32 | 500.0 | none | barren | none | — | — | — |
| 3 | `GJ1230Ad` | Talvela | planet | yes | 8M | terrestrial | 0.82g | 95 | 20.5 | breathable | temperate-cool | moderate | transit | concentrated | — |
| ↳ 3.1 | `GJ1230Ad-1` | — | moon | no | — | dwarf | 0.04g | 8 | 192.0 | none | barren | none | — | — | — |
| 4 | `GJ1230Ae` | — | planet | no | — | terrestrial | 0.40g | 210 | 17.0 | thin | arid | none | — | — | — |
| 5 | `GJ1230Af` | — | planet | no | — | terrestrial | 0.35g | 440 | 15.5 | thin | frozen | ice | — | — | — |
| 6 | `GJ1230Ag` | — | gas_giant | no | — | gas_giant | — | 1450 | 12.0 | dense | — | — | — | — | — |
| ↳ 6.1 | `GJ1230Ag-1` | — | moon | no | — | dwarf | 0.06g | 5 | 120.0 | none | barren | none | — | — | — |
| ↳ 6.2 | `GJ1230Ag-2` | — | moon | no | — | dwarf | 0.04g | 12 | 288.0 | none | frozen | ice | — | — | — |
| 7 | `GJ1230Ah` | — | planet | no | — | terrestrial | 0.28g | 3400 | 14.0 | none | frozen | ice | — | — | — |
| 8 | `GJ1230Ai` | — | planet | no | — | terrestrial | 0.22g | 6600 | 18.0 | none | frozen | ice | — | — | — |
| 9 | `GJ1230A-belt` | — | asteroid_belt | no | — | — | — | — | — | — | — | — | — | — | — |
| 10 | `GJ1230A-oort` | — | oort_cloud | no | — | — | — | — | — | — | — | — | — | — | — |
### Stations & Facilities
| ID | Name | Type | Orbits | Population | Economy | Governance | Docking | Gate | Districts |
|---|---|---|---|---|---|---|---|---|---|
| `GJ1230A-oort-S1` | Pohjola | horizon | `GJ1230A-oort` | — | transit | — | major | yes | 1 |
| `GJ1230Ad-S1` | Toivola | transit | `GJ1230Ad` | 3K | transit | — | standard | no | 1 |
## Topology
<!-- READ-ONLY — regenerated from star-map.json edges -->
- **Hop Distance from Gateway:** 4