{ "system_id": "GJ 4056", "proper_name": "GJ 4056", "star_type": "M", "spectral_class": "M4V", "wiki_data": { "habitable_count": 0, "inhabited_count": 0, "has_gas_giant": false, "has_asteroid_belt": true, "has_horizon_station": true, "raw_bodies_line": null }, "bodies": [ { "body_id": "GJ4056b", "proper_name": null, "body_type": "planet", "orbit_index": 1, "parent_body_id": null, "inhabited": false, "population": null, "mass_class": "terrestrial", "surface_gravity": 0.82, "orbital_period_days": 18.0, "rotation_period_hours": 432.0, "atmosphere": "reducing", "biome_summary": "volcanic", "hydrosphere": null, "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "inner rocky, tidally influenced; continuous low-level volcanic activity across ~40% of surface; CO2-nitrogen atmosphere with sulfur compounds; tidal heating from star proximity; no viable surface for settlement" }, { "body_id": "GJ4056c", "proper_name": null, "body_type": "planet", "orbit_index": 2, "parent_body_id": null, "inhabited": false, "population": null, "mass_class": "terrestrial", "surface_gravity": 0.44, "orbital_period_days": 72.0, "rotation_period_hours": 21.4, "atmosphere": "thin", "biome_summary": "cold_arid", "hydrosphere": null, "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "outer rocky, cold, uninhabited" }, { "body_id": "GJ4056-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": "GJ4056d", "proper_name": null, "body_type": "planet", "orbit_index": 4, "parent_body_id": null, "inhabited": false, "population": null, "mass_class": "terrestrial", "surface_gravity": 0.36, "orbital_period_days": 280.0, "rotation_period_hours": 26.8, "atmosphere": "trace", "biome_summary": "frozen", "hydrosphere": "ice", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "outer icy rocky, uninhabited" }, { "body_id": "GJ4056e", "proper_name": null, "body_type": "planet", "orbit_index": 5, "parent_body_id": null, "inhabited": false, "population": null, "mass_class": "terrestrial", "surface_gravity": 0.28, "orbital_period_days": 860.0, "rotation_period_hours": 32.4, "atmosphere": "trace", "biome_summary": "frozen", "hydrosphere": "ice", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "distant icy rocky, uninhabited" }, { "body_id": "GJ4056f", "proper_name": null, "body_type": "planet", "orbit_index": 6, "parent_body_id": null, "inhabited": false, "population": null, "mass_class": "dwarf", "surface_gravity": 0.1, "orbital_period_days": 2400.0, "rotation_period_hours": 20.6, "atmosphere": "none", "biome_summary": "frozen", "hydrosphere": "ice", "economic_role": null, "settlement_pattern": null, "industrial_corridor": null, "notes": "outermost ice dwarf" }, { "body_id": "GJ4056g", "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": 5800.0, "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": "GJ4056-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": "GJ4056-oort-S1", "proper_name": "GJ 4056 Horizon", "orbits_body_id": "GJ4056-oort", "station_type": "horizon", "population": 8, "economic_role": "transit", "docking_class": "major", "has_gate_infrastructure": true, "notes": "horizon station — 2 apertures; through_route; connects Alshain and Echternach; automated operations with minimal caretaker crew (6-8 people, three-month rotations from Alshain); handwritten caretaker log (hundred years continuous); volcanic primary world visible on approach" } ] }