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data(atlas): author GJ 172 (Kaelong) — 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 15:40:08 +02:00
co-authored by Claude Opus 4.6
parent 5cff1f6af5
commit c580d55f93
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docs/atlas/proposals/GJ172.json
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{
"system_id": "GJ 172",
"proper_name": "Kaelong",
"star_type": "K",
"spectral_class": "K8V",
"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": "GJ172b",
"proper_name": null,
"body_type": "planet",
"orbit_index": 1,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.30,
"orbital_period_days": 8.5,
"rotation_period_hours": 16.8,
"atmosphere": "none",
"biome_summary": "barren",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "inner scorched rocky, uninhabited"
},
{
"body_id": "GJ172c",
"proper_name": "Kaelong",
"body_type": "planet",
"orbit_index": 2,
"parent_body_id": null,
"inhabited": true,
"population": 420000,
"mass_class": "terrestrial",
"surface_gravity": 1.08,
"orbital_period_days": 150.0,
"rotation_period_hours": 23.6,
"atmosphere": "standard",
"biome_summary": "temperate",
"hydrosphere": "liquid_water",
"economic_role": "agricultural",
"settlement_pattern": "dispersed",
"industrial_corridor": "agricultural_export",
"notes": "inhabited habitable world; slightly heavy gravity; wave_2 Vietnamese heritage (Agricultural Development Syndicate); 3-aperture junction; grain cultivation (proprietary cultivar, corridor food staple), basic manufacturing; elected council governance; minimal Assembly presence"
},
{
"body_id": "GJ172d",
"proper_name": null,
"body_type": "planet",
"orbit_index": 3,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.52,
"orbital_period_days": 280.0,
"rotation_period_hours": 28.4,
"atmosphere": "thin",
"biome_summary": "cold_arid",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outer rocky, cold, uninhabited"
},
{
"body_id": "GJ172-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": "GJ172e",
"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": 650.0,
"rotation_period_hours": 12.2,
"atmosphere": "gas_giant",
"biome_summary": null,
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outer gas giant, one moon"
},
{
"body_id": "GJ172e-m1",
"proper_name": null,
"body_type": "moon",
"orbit_index": 1,
"parent_body_id": "GJ172e",
"inhabited": false,
"population": null,
"mass_class": "dwarf",
"surface_gravity": 0.08,
"orbital_period_days": 4.8,
"rotation_period_hours": 115.2,
"atmosphere": null,
"biome_summary": "frozen",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "small icy moon, tidally locked"
},
{
"body_id": "GJ172f",
"proper_name": null,
"body_type": "planet",
"orbit_index": 6,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.42,
"orbital_period_days": 1600.0,
"rotation_period_hours": 35.6,
"atmosphere": "trace",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outer icy rocky, uninhabited"
},
{
"body_id": "GJ172g",
"proper_name": null,
"body_type": "planet",
"orbit_index": 7,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.34,
"orbital_period_days": 4200.0,
"rotation_period_hours": 41.8,
"atmosphere": "trace",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "distant icy rocky, uninhabited"
},
{
"body_id": "GJ172h",
"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": 10000.0,
"rotation_period_hours": 24.8,
"atmosphere": "none",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outermost ice dwarf"
},
{
"body_id": "GJ172i",
"proper_name": null,
"body_type": "planet",
"orbit_index": 9,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "dwarf",
"surface_gravity": 0.10,
"orbital_period_days": 22000.0,
"rotation_period_hours": 21.6,
"atmosphere": "none",
"biome_summary": "frozen",
"hydrosphere": "ice",
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "distant ice dwarf"
},
{
"body_id": "GJ172-oort",
"proper_name": null,
"body_type": "oort_cloud",
"orbit_index": 10,
"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": "GJ172-oort-S1",
"proper_name": "Kaelong Horizon",
"orbits_body_id": "GJ172-oort",
"station_type": "horizon",
"population": 1400,
"economic_role": "transit",
"docking_class": "major",
"has_gate_infrastructure": true,
"notes": "horizon station — 3 apertures; junction; connects Tanaka Station, Binh Trang, and Suối Vàng"
}
]
}
wiki/star-systems/GJ-172/index.md
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`wave_2` at `hop 7` is the outer edge of what wave_2 settlement density would predict. Kaelong's early settlement reflects that the K8V at 33.0 ly was one of the more promising stars on the outer east branch — its habitable zone produced a real agricultural world rather than a marginal colony — and wave_2 agricultural expansion by Vietnamese-heritage farming cooperatives extended further along favorable corridors than the general wave_2 distribution suggests. The 33-light-year distance is genuinely substantial, and the assembly authority gradient accurately predicts near-absent institutional presence despite the system's age.
## 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 | `GJ172b` | — | planet | no | — | terrestrial | 0.30g | 8 | 16.8 | none | barren | — | — | — | — |
| 2 | `GJ172c` | Kaelong | planet | yes | 420K | terrestrial | 1.08g | 150 | 23.6 | standard | temperate | liquid_water | agricultural | dispersed | agricultural_export |
| 3 | `GJ172d` | — | planet | no | — | terrestrial | 0.52g | 280 | 28.4 | thin | cold_arid | — | — | — | — |
| 4 | `GJ172-belt` | — | asteroid_belt | no | — | — | — | — | — | — | — | — | — | — | — |
| 5 | `GJ172e` | — | gas_giant | no | — | — | — | 650 | 12.2 | gas_giant | — | — | — | — | — |
| ↳ 5.1 | `GJ172e-m1` | — | moon | no | — | dwarf | 0.08g | 5 | 115.2 | — | frozen | — | — | — | — |
| 6 | `GJ172f` | — | planet | no | — | terrestrial | 0.42g | 1600 | 35.6 | trace | frozen | ice | — | — | — |
| 7 | `GJ172g` | — | planet | no | — | terrestrial | 0.34g | 4200 | 41.8 | trace | frozen | ice | — | — | — |
| 8 | `GJ172h` | — | planet | no | — | dwarf | 0.11g | 10000 | 24.8 | none | frozen | ice | — | — | — |
| 9 | `GJ172i` | — | planet | no | — | dwarf | 0.10g | 22000 | 21.6 | none | frozen | ice | — | — | — |
| 10 | `GJ172-oort` | — | oort_cloud | no | — | — | — | — | — | — | — | — | — | — | — |
### Stations & Facilities
| ID | Name | Type | Orbits | Population | Economy | Governance | Docking | Gate | Districts |
|---|---|---|---|---|---|---|---|---|---|
| `GJ172-oort-S1` | Kaelong Horizon | horizon | `GJ172-oort` | 1K | transit | — | major | yes | 1 |
## Topology
<!-- READ-ONLY — regenerated from star-map.json edges -->
- **Hop Distance from Gateway:** 7