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data(atlas): author GJ 905 (Isibaya / Ross 248) — south_reach

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dM6e 3-aperture junction at hop 5. 150M pop, Zulu-heritage
ranching economy. Umkhosi wa Sika seasonal market draws buyers
from 3 hops. Tidally locked cattle world.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
jpmschweitzer
2026-03-26 10:27:20 +01:00
co-authored by Claude Opus 4.6
parent de7a5831cb
commit dbd816d757
1 changed files with 229 additions and 0 deletions
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docs/atlas/proposals/GJ905.json
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{
"system_id": "GJ 905",
"proper_name": "Isibaya",
"star_type": "M",
"spectral_class": "dM6 e",
"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": "GJ905b",
"proper_name": null,
"body_type": "planet",
"orbit_index": 1,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.28,
"orbital_period_days": 5.1,
"rotation_period_hours": 122.4,
"atmosphere": "none",
"biome_summary": "barren",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "inner rocky, tidally locked, uninhabited"
},
{
"body_id": "GJ905c",
"proper_name": "Isibaya",
"body_type": "planet",
"orbit_index": 2,
"parent_body_id": null,
"inhabited": true,
"population": 150000000,
"mass_class": "terrestrial",
"surface_gravity": 0.81,
"orbital_period_days": 14.0,
"rotation_period_hours": 336.0,
"atmosphere": "standard",
"biome_summary": "temperate_savanna",
"hydrosphere": "liquid_water",
"economic_role": "agricultural",
"settlement_pattern": "town_network",
"industrial_corridor": null,
"notes": "primary inhabited world; wave_4 Zulu heritage; hop_5; tidally locked; close-orbit world; dM6e flare management protocols (livestock UV exposure scheduling); cattle breeds adapted for close-orbit conditions over 5 generations; Umkhosi wa Sika seasonal market (twice yearly, buyers from 3 hops); Ranching Families Assembly informal governance; premium export to inner ring"
},
{
"body_id": "GJ905-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": "GJ905d",
"proper_name": null,
"body_type": "planet",
"orbit_index": 4,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.47,
"orbital_period_days": 108.0,
"rotation_period_hours": 26.0,
"atmosphere": "thin",
"biome_summary": "cold_arid",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outer rocky, uninhabited"
},
{
"body_id": "GJ905e",
"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": 420.0,
"rotation_period_hours": 14.6,
"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": "GJ905e-m1",
"proper_name": null,
"body_type": "moon",
"orbit_index": 1,
"parent_body_id": "GJ905e",
"inhabited": false,
"population": null,
"mass_class": "dwarf",
"surface_gravity": 0.10,
"orbital_period_days": 7.1,
"rotation_period_hours": 170.4,
"atmosphere": null,
"biome_summary": "frozen",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "small icy moon, tidally locked"
},
{
"body_id": "GJ905f",
"proper_name": null,
"body_type": "planet",
"orbit_index": 6,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.38,
"orbital_period_days": 1400.0,
"rotation_period_hours": 31.0,
"atmosphere": "trace",
"biome_summary": "frozen",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "outer icy rocky, uninhabited"
},
{
"body_id": "GJ905g",
"proper_name": null,
"body_type": "planet",
"orbit_index": 7,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.29,
"orbital_period_days": 2900.0,
"rotation_period_hours": 41.0,
"atmosphere": "trace",
"biome_summary": "frozen",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "distant icy rocky, uninhabited"
},
{
"body_id": "GJ905h",
"proper_name": null,
"body_type": "planet",
"orbit_index": 8,
"parent_body_id": null,
"inhabited": false,
"population": null,
"mass_class": "terrestrial",
"surface_gravity": 0.22,
"orbital_period_days": 5700.0,
"rotation_period_hours": 53.0,
"atmosphere": "trace",
"biome_summary": "frozen",
"hydrosphere": null,
"economic_role": null,
"settlement_pattern": null,
"industrial_corridor": null,
"notes": "far outer icy rocky, uninhabited"
},
{
"body_id": "GJ905-oort",
"proper_name": null,
"body_type": "oort_cloud",
"orbit_index": 9,
"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": "GJ905-oort-S1",
"proper_name": "Isibaya Horizon",
"orbits_body_id": "GJ905-oort",
"station_type": "horizon",
"population": 840,
"economic_role": "transit",
"docking_class": "major",
"has_gate_infrastructure": true,
"notes": "horizon station — 3 apertures; junction"
}
]
}