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data(atlas): author GJ 624 (Halvøy) — west_reach

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Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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jpmschweitzer
2026-03-30 11:44:38 +02:00
co-authored by Claude Opus 4.6
parent 90efb924c3
commit 341a7c1657
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docs/atlas/proposals/GJ624.json
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{
"system_id": "GJ 624",
"proper_name": "Halvøy",
"star_type": "F",
"spectral_class": "F9V",
"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": "GJ624b",
"proper_name": null,
"body_type": "planet",
"orbit_index": 1,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.50,
"orbital_period_days": 52.0,
"rotation_period_hours": 17.6,
"atmosphere": "none",
"biome_summary": "barren",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "inner rocky, hot, uninhabited"
},
{
"body_id": "GJ624c",
"proper_name": null,
"body_type": "planet",
"orbit_index": 2,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.74,
"orbital_period_days": 200.0,
"rotation_period_hours": 23.4,
"atmosphere": "thin",
"biome_summary": "hot_arid",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "inner rocky, desiccated, uninhabited"
},
{
"body_id": "GJ624d",
"proper_name": "Øya",
"body_type": "planet",
"orbit_index": 3,
"parent_body_id": null,
"inhabited": true,
"population": 52000,
"mass_class": "terrestrial",
"surface_gravity": 0.96,
"orbital_period_days": 480.0,
"rotation_period_hours": 26.8,
"atmosphere": "standard",
"biome_summary": "temperate",
"hydrosphere": "liquid_water",
"economic_role": "agricultural",
"settlement_pattern": "dispersed",
"industrial_corridor": "agricultural_export",
"notes": "primary inhabited world; wave_2 Norwegian heritage ('the island'); 1-aperture dead_end; F9V warm star; single sub-continental landmass surrounded by shallow productive seas; Halvøyby coastal settlement; aquaculture cooperative (eleven-seat council, founding charter amended eight times); protein-rich aquaculture export; preserved product premium in corridor markets; temperate interior agriculture; four centuries continuous sustainable production"
},
{
"body_id": "GJ624-belt",
"proper_name": null,
"body_type": "asteroid_belt",
"orbit_index": 4,
"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": "GJ624e",
"proper_name": null,
"body_type": "planet",
"orbit_index": 5,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.60,
"orbital_period_days": 1100.0,
"rotation_period_hours": 27.2,
"atmosphere": "thin",
"biome_summary": "cold_arid",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outer rocky, uninhabited"
},
{
"body_id": "GJ624f",
"proper_name": null,
"body_type": "gas_giant",
"orbit_index": 6,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": null,
"surface_gravity": null,
"orbital_period_days": 3600.0,
"rotation_period_hours": 10.8,
"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": "GJ624f-m1",
"proper_name": null,
"body_type": "moon",
"orbit_index": 1,
"parent_body_id": "GJ624f",
"inhabited": false,
"population": null,
"mass_class": "dwarf",
"surface_gravity": 0.13,
"orbital_period_days": 6.6,
"rotation_period_hours": 158.4,
"atmosphere": "trace",
"biome_summary": "frozen",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "icy moon, tidally locked"
},
{
"body_id": "GJ624f-m2",
"proper_name": null,
"body_type": "moon",
"orbit_index": 2,
"parent_body_id": "GJ624f",
"inhabited": false,
"population": null,
"mass_class": "dwarf",
"surface_gravity": 0.07,
"orbital_period_days": 14.2,
"rotation_period_hours": 340.8,
"atmosphere": null,
"biome_summary": "barren",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "small rocky moon, tidally locked"
},
{
"body_id": "GJ624g",
"proper_name": null,
"body_type": "planet",
"orbit_index": 7,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.46,
"orbital_period_days": 8800.0,
"rotation_period_hours": 35.4,
"atmosphere": "trace",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outer icy rocky, uninhabited"
},
{
"body_id": "GJ624h",
"proper_name": null,
"body_type": "planet",
"orbit_index": 8,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.36,
"orbital_period_days": 20000.0,
"rotation_period_hours": 44.2,
"atmosphere": "trace",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "distant icy rocky, uninhabited"
},
{
"body_id": "GJ624i",
"proper_name": null,
"body_type": "planet",
"orbit_index": 9,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.28,
"orbital_period_days": 42000.0,
"rotation_period_hours": 52.6,
"atmosphere": "none",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "far outer icy rocky, uninhabited"
},
{
"body_id": "GJ624j",
"proper_name": null,
"body_type": "planet",
"orbit_index": 10,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "dwarf",
"surface_gravity": 0.13,
"orbital_period_days": 80000.0,
"rotation_period_hours": 31.4,
"atmosphere": "none",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outermost dwarf, near oort boundary"
},
{
"body_id": "GJ624-oort",
"proper_name": null,
"body_type": "oort_cloud",
"orbit_index": 11,
"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": "GJ624-oort-S1",
"proper_name": "Halvøy Horizon",
"orbits_body_id": "GJ624-oort",
"station_type": "horizon",
"population": 95,
"economic_role": "transit",
"docking_class": "major",
"has_gate_infrastructure": true,
"notes": "horizon station — 1 aperture; dead_end; connects Gammelstad; aquaculture freight staging; Gate Corporation maintenance visits only"
}
]
}
wiki/star-systems/GJ-624/index.md
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`wave_2` at hop 8 is consistent with early deliberate targeting of an agricultural potential world. The F9V classification is accurate; slightly warmer than a G-type, this matches the productive shallow-sea environment described. `dead_end` with one gate to Gammelstad is accurate. The aquaculture economy follows directly from the world's described geography. The contentment framing is deliberate — not every system needs a crisis, and including one example of functional success makes the setting's other tensions feel earned rather than universal.
## 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 | `GJ624b` | — | planet | no | — | terrestrial | 0.50g | 52 | 17.6 | none | barren | — | — | — | — |
| 2 | `GJ624c` | — | planet | no | — | terrestrial | 0.74g | 200 | 23.4 | thin | hot_arid | — | — | — | — |
| 3 | `GJ624d` | Øya | planet | yes | 52K | terrestrial | 0.96g | 480 | 26.8 | standard | temperate | liquid_water | agricultural | dispersed | agricultural_export |
| 4 | `GJ624-belt` | — | asteroid_belt | no | — | — | — | — | — | — | — | — | — | — | — |
| 5 | `GJ624e` | — | planet | no | — | terrestrial | 0.60g | 1100 | 27.2 | thin | cold_arid | — | — | — | — |
| 6 | `GJ624f` | — | gas_giant | no | — | — | — | 3600 | 10.8 | gas_giant | — | — | — | — | — |
| ↳ 6.1 | `GJ624f-m1` | — | moon | no | — | dwarf | 0.13g | 7 | 158.4 | trace | frozen | — | — | — | — |
| ↳ 6.2 | `GJ624f-m2` | — | moon | no | — | dwarf | 0.07g | 14 | 340.8 | — | barren | — | — | — | — |
| 7 | `GJ624g` | — | planet | no | — | terrestrial | 0.46g | 8800 | 35.4 | trace | frozen | ice | — | — | — |
| 8 | `GJ624h` | — | planet | no | — | terrestrial | 0.36g | 20000 | 44.2 | trace | frozen | ice | — | — | — |
| 9 | `GJ624i` | — | planet | no | — | terrestrial | 0.28g | 42000 | 52.6 | none | frozen | ice | — | — | — |
| 10 | `GJ624j` | — | planet | no | — | dwarf | 0.13g | 80000 | 31.4 | none | frozen | ice | — | — | — |
| 11 | `GJ624-oort` | — | oort_cloud | no | — | — | — | — | — | — | — | — | — | — | — |
### Stations & Facilities
| ID | Name | Type | Orbits | Population | Economy | Governance | Docking | Gate | Districts |
|---|---|---|---|---|---|---|---|---|---|
| `GJ624-oort-S1` | Halvøy Horizon | horizon | `GJ624-oort` | 95 | transit | — | major | yes | 1 |
## Topology
<!-- READ-ONLY — regenerated from star-map.json edges -->
- **Hop Distance from Gateway:** 8