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data(atlas): author GJ 189 (Altgrund) — deep_frontier

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Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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jpmschweitzer
2026-04-02 02:44:33 +02:00
co-authored by Claude Opus 4.6
parent 3103486058
commit 06a9e11b9e
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docs/atlas/proposals/GJ189.json
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{
"system_id": "GJ 189",
"proper_name": "Altgrund",
"star_type": "M",
"spectral_class": "M0V",
"wiki_data": {
"habitable_count": 1,
"inhabited_count": 1,
"has_gas_giant": false,
"has_asteroid_belt": true,
"has_horizon_station": true,
"raw_bodies_line": null
},
"bodies": [
{
"body_id": "GJ189b",
"proper_name": null,
"body_type": "planet",
"orbit_index": 1,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.36,
"orbital_period_days": 9.8,
"rotation_period_hours": 235.2,
"atmosphere": "none",
"biome_summary": "barren",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "inner scorched rocky, tidally locked"
},
{
"body_id": "GJ189c",
"proper_name": "Goslar",
"body_type": "planet",
"orbit_index": 2,
"parent_body_id": null,
"inhabited": true,
"population": 30000,
"mass_class": "terrestrial",
"surface_gravity": 0.9,
"orbital_period_days": 70.0,
"rotation_period_hours": 27.8,
"atmosphere": "standard",
"biome_summary": "temperate",
"hydrosphere": "liquid_water",
"economic_role": "agricultural",
"settlement_pattern": "dispersed",
"industrial_corridor": "agricultural_export",
"notes": "primary inhabited world; wave_2 German heritage ('old ground'); 2-aperture through_route; M0V dim star; four centuries continuous M-dwarf agriculture (mature worked soil, established cultivars); community governance predating all formal Reach institutions; Compact of Westphalia elder system (warm relations, non-binding); Commission long compliance record; communication relay maintenance as critical infrastructure; absorbed four successive cohorts of crisis refugees across four centuries"
},
{
"body_id": "GJ189-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": "GJ189d",
"proper_name": null,
"body_type": "planet",
"orbit_index": 4,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.52,
"orbital_period_days": 240.0,
"rotation_period_hours": 25.4,
"atmosphere": "thin",
"biome_summary": "frozen",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outer rocky, frozen, uninhabited"
},
{
"body_id": "GJ189e",
"proper_name": null,
"body_type": "planet",
"orbit_index": 5,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.4,
"orbital_period_days": 720.0,
"rotation_period_hours": 29.6,
"atmosphere": "trace",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outer icy rocky, uninhabited"
},
{
"body_id": "GJ189f",
"proper_name": null,
"body_type": "planet",
"orbit_index": 6,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "dwarf",
"surface_gravity": 0.11,
"orbital_period_days": 2000.0,
"rotation_period_hours": 22.8,
"atmosphere": "none",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outermost ice dwarf"
},
{
"body_id": "GJ189g",
"proper_name": null,
"body_type": "planet",
"orbit_index": 7,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "dwarf",
"surface_gravity": 0.08,
"orbital_period_days": 5400.0,
"rotation_period_hours": 18.2,
"atmosphere": "none",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "distant ice dwarf"
},
{
"body_id": "GJ189-oort",
"proper_name": null,
"body_type": "oort_cloud",
"orbit_index": 8,
"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": "GJ189-oort-S1",
"proper_name": "Altgrund Horizon",
"orbits_body_id": "GJ189-oort",
"station_type": "horizon",
"population": 560,
"economic_role": "transit",
"docking_class": "major",
"has_gate_infrastructure": true,
"notes": "horizon station — 2 apertures; through_route; connects inner German frontier corridor; agricultural freight staging; communication relay infrastructure (critical for deep_frontier connectivity); Commission compliance office"
}
]
}
wiki/star-systems/GJ-189/index.md
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@@ -40,6 +40,26 @@ The community has absorbed at least four separate cohorts of crisis refugees ove
Altgrund has integrated four separate waves of crisis refugees across four centuries; the terms of each integration are archived but not discussed, and most of the descendants of those arriving cohorts have no idea what their founders agreed to.
## 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 | `GJ189b` | — | planet | no | — | terrestrial | 0.36g | 10 | 235.2 | none | barren | — | — | — | — |
| 2 | `GJ189c` | Goslar | planet | yes | 30K | terrestrial | 0.90g | 70 | 27.8 | standard | temperate | liquid_water | agricultural | dispersed | agricultural_export |
| 3 | `GJ189-belt` | — | asteroid_belt | no | — | — | — | — | — | — | — | — | — | — | — |
| 4 | `GJ189d` | — | planet | no | — | terrestrial | 0.52g | 240 | 25.4 | thin | frozen | — | — | — | — |
| 5 | `GJ189e` | — | planet | no | — | terrestrial | 0.40g | 720 | 29.6 | trace | frozen | ice | — | — | — |
| 6 | `GJ189f` | — | planet | no | — | dwarf | 0.11g | 2000 | 22.8 | none | frozen | ice | — | — | — |
| 7 | `GJ189g` | — | planet | no | — | dwarf | 0.08g | 5400 | 18.2 | none | frozen | ice | — | — | — |
| 8 | `GJ189-oort` | — | oort_cloud | no | — | — | — | — | — | — | — | — | — | — | — |
### Stations & Facilities
| ID | Name | Type | Orbits | Population | Economy | Governance | Docking | Gate | Districts |
|---|---|---|---|---|---|---|---|---|---|
| `GJ189-oort-S1` | Altgrund Horizon | horizon | `GJ189-oort` | 560 | transit | — | major | yes | 1 |
## Topology
<!-- READ-ONLY — regenerated from star-map.json edges -->
- **Hop Distance from Gateway:** 8