From de7a5831cb6832aba5a3f00f4b8c617d35ebf952 Mon Sep 17 00:00:00 2001 From: Jeroen Schweitzer Date: Thu, 26 Mar 2026 10:25:57 +0100 Subject: [PATCH] =?UTF-8?q?data(atlas):=20author=20GJ=20902=20=E2=80=94=20?= =?UTF-8?q?south=5Freach?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit K3V dead-end at hop 7. Habitable moon (0.82g from dense iron core) orbiting gas giant. 8 planets. Co-Authored-By: Claude Opus 4.6 (1M context) --- docs/atlas/proposals/GJ902.json | 269 ++++++++++++++++++++++++++++++++ 1 file changed, 269 insertions(+) create mode 100644 docs/atlas/proposals/GJ902.json diff --git a/docs/atlas/proposals/GJ902.json b/docs/atlas/proposals/GJ902.json new file mode 100644 index 000000000..7a3d13e2d --- /dev/null +++ b/docs/atlas/proposals/GJ902.json @@ -0,0 +1,269 @@ +{ + "system_id": "GJ 902", + "proper_name": "GJ 902", + "star_type": "K", + "spectral_class": "K3V", + "wiki_data": { + "habitable_count": 1, + "inhabited_count": 0, + "has_gas_giant": true, + "has_asteroid_belt": true, + "has_horizon_station": true, + "raw_bodies_line": null + }, + "bodies": [ + { + "body_id": "GJ902b", + "proper_name": null, + "body_type": "planet", + "orbit_index": 1, + "parent_body_id": null, + "inhabited": false, + "population": null, + "mass_class": "terrestrial", + "surface_gravity": 0.53, + "orbital_period_days": 34.0, + "rotation_period_hours": 23.0, + "atmosphere": "none", + "biome_summary": "barren", + "hydrosphere": null, + "economic_role": null, + "settlement_pattern": null, + "industrial_corridor": null, + "notes": "inner rocky, hot, uninhabited" + }, + { + "body_id": "GJ902c", + "proper_name": null, + "body_type": "planet", + "orbit_index": 2, + "parent_body_id": null, + "inhabited": false, + "population": null, + "mass_class": "terrestrial", + "surface_gravity": 0.88, + "orbital_period_days": 195.0, + "rotation_period_hours": 26.0, + "atmosphere": "thin", + "biome_summary": "arid", + "hydrosphere": null, + "economic_role": null, + "settlement_pattern": null, + "industrial_corridor": null, + "notes": "habitable zone rocky, too dry, unsettled" + }, + { + "body_id": "GJ902-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": "moderate asteroid belt" + }, + { + "body_id": "GJ902d", + "proper_name": null, + "body_type": "planet", + "orbit_index": 4, + "parent_body_id": null, + "inhabited": false, + "population": null, + "mass_class": "terrestrial", + "surface_gravity": 0.64, + "orbital_period_days": 640.0, + "rotation_period_hours": 31.0, + "atmosphere": "thin", + "biome_summary": "cold_arid", + "hydrosphere": null, + "economic_role": null, + "settlement_pattern": null, + "industrial_corridor": null, + "notes": "outer rocky, cold, uninhabited" + }, + { + "body_id": "GJ902e", + "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": 2100.0, + "rotation_period_hours": 12.9, + "atmosphere": "gas_giant", + "biome_summary": null, + "hydrosphere": null, + "economic_role": null, + "settlement_pattern": null, + "industrial_corridor": null, + "notes": "outer gas giant, two moons — second moon has marginal habitability" + }, + { + "body_id": "GJ902e-m1", + "proper_name": null, + "body_type": "moon", + "orbit_index": 1, + "parent_body_id": "GJ902e", + "inhabited": false, + "population": null, + "mass_class": "dwarf", + "surface_gravity": 0.13, + "orbital_period_days": 9.2, + "rotation_period_hours": 220.8, + "atmosphere": "trace", + "biome_summary": "frozen", + "hydrosphere": null, + "economic_role": null, + "settlement_pattern": null, + "industrial_corridor": null, + "notes": "icy moon, tidally locked" + }, + { + "body_id": "GJ902e-m2", + "proper_name": null, + "body_type": "moon", + "orbit_index": 2, + "parent_body_id": "GJ902e", + "inhabited": false, + "population": null, + "mass_class": "terrestrial", + "surface_gravity": 0.82, + "orbital_period_days": 19.8, + "rotation_period_hours": 475.2, + "atmosphere": "thin", + "biome_summary": "cold_arid", + "hydrosphere": "subsurface_ice", + "economic_role": null, + "settlement_pattern": null, + "industrial_corridor": null, + "notes": "notable habitable moon; tidally locked; tidally heated; subsurface ice deposits; iron core (natural magnetic shielding); settlement survey conducted but not yet claimed — three centuries unclaimed" + }, + { + "body_id": "GJ902f", + "proper_name": null, + "body_type": "planet", + "orbit_index": 6, + "parent_body_id": null, + "inhabited": false, + "population": null, + "mass_class": "terrestrial", + "surface_gravity": 0.51, + "orbital_period_days": 5200.0, + "rotation_period_hours": 41.0, + "atmosphere": "trace", + "biome_summary": "frozen", + "hydrosphere": null, + "economic_role": null, + "settlement_pattern": null, + "industrial_corridor": null, + "notes": "outer icy rocky, uninhabited" + }, + { + "body_id": "GJ902g", + "proper_name": null, + "body_type": "planet", + "orbit_index": 7, + "parent_body_id": null, + "inhabited": false, + "population": null, + "mass_class": "terrestrial", + "surface_gravity": 0.40, + "orbital_period_days": 9800.0, + "rotation_period_hours": 52.0, + "atmosphere": "trace", + "biome_summary": "frozen", + "hydrosphere": null, + "economic_role": null, + "settlement_pattern": null, + "industrial_corridor": null, + "notes": "distant icy rocky, uninhabited" + }, + { + "body_id": "GJ902h", + "proper_name": null, + "body_type": "planet", + "orbit_index": 8, + "parent_body_id": null, + "inhabited": false, + "population": null, + "mass_class": "terrestrial", + "surface_gravity": 0.31, + "orbital_period_days": 18000.0, + "rotation_period_hours": 65.0, + "atmosphere": "trace", + "biome_summary": "frozen", + "hydrosphere": null, + "economic_role": null, + "settlement_pattern": null, + "industrial_corridor": null, + "notes": "far outer icy rocky, uninhabited" + }, + { + "body_id": "GJ902i", + "proper_name": null, + "body_type": "planet", + "orbit_index": 9, + "parent_body_id": null, + "inhabited": false, + "population": null, + "mass_class": "terrestrial", + "surface_gravity": 0.23, + "orbital_period_days": 32500.0, + "rotation_period_hours": 81.0, + "atmosphere": "trace", + "biome_summary": "frozen", + "hydrosphere": null, + "economic_role": null, + "settlement_pattern": null, + "industrial_corridor": null, + "notes": "extreme outer icy rocky, uninhabited" + }, + { + "body_id": "GJ902-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": "GJ902-oort-S1", + "proper_name": "GJ 902 Horizon", + "orbits_body_id": "GJ902-oort", + "station_type": "horizon", + "population": 120, + "economic_role": "transit", + "docking_class": "major", + "has_gate_infrastructure": true, + "notes": "horizon station — 1 aperture; dead_end; unsettled system" + } + ] +}