G8Vp subdwarf system. 9 planets. Wiki header M-type is a generation artifact — JSON correctly reflects G-type. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
290 lines
8.0 KiB
JSON
290 lines
8.0 KiB
JSON
{
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"system_id": "GJ 451A",
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"proper_name": "Groombridge 1830",
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"star_type": "G",
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"spectral_class": "G8Vp",
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"wiki_data": {
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"habitable_count": 0,
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"inhabited_count": 0,
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"has_gas_giant": true,
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"has_asteroid_belt": true,
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"has_horizon_station": true,
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"raw_bodies_line": null
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},
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"bodies": [
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{
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"body_id": "GJ451Ab",
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"proper_name": null,
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"body_type": "planet",
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"orbit_index": 1,
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"parent_body_id": null,
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"inhabited": false,
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"population": null,
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"mass_class": "terrestrial",
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"surface_gravity": 0.55,
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"orbital_period_days": 72.0,
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"rotation_period_hours": 21.5,
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"atmosphere": "none",
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"biome_summary": "barren",
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"hydrosphere": null,
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"economic_role": null,
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"settlement_pattern": null,
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"industrial_corridor": null,
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"notes": "inner rocky, hot, uninhabited"
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},
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{
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"body_id": "GJ451Ac",
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"proper_name": null,
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"body_type": "planet",
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"orbit_index": 2,
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"parent_body_id": null,
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"inhabited": false,
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"population": null,
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"mass_class": "terrestrial",
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"surface_gravity": 0.82,
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"orbital_period_days": 168.0,
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"rotation_period_hours": 26.0,
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"atmosphere": "thick",
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"biome_summary": "hot_arid",
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"hydrosphere": null,
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"economic_role": null,
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"settlement_pattern": null,
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"industrial_corridor": null,
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"notes": "inner rocky, Venus-like, uninhabited"
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},
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{
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"body_id": "GJ451Ad",
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"proper_name": null,
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"body_type": "planet",
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"orbit_index": 3,
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"parent_body_id": null,
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"inhabited": false,
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"population": null,
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"mass_class": "terrestrial",
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"surface_gravity": 0.71,
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"orbital_period_days": 340.0,
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"rotation_period_hours": 24.8,
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"atmosphere": "thin",
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"biome_summary": "arid",
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"hydrosphere": null,
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"economic_role": null,
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"settlement_pattern": null,
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"industrial_corridor": null,
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"notes": "habitable zone rocky, too dry, unsettled; wave_4 heritage survey conducted"
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},
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{
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"body_id": "GJ451A-belt",
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"proper_name": null,
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"body_type": "asteroid_belt",
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"orbit_index": 4,
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"parent_body_id": null,
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"inhabited": false,
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"population": null,
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"mass_class": null,
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"surface_gravity": null,
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"orbital_period_days": null,
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"rotation_period_hours": null,
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"atmosphere": null,
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"biome_summary": null,
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"hydrosphere": null,
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"economic_role": null,
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"settlement_pattern": null,
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"industrial_corridor": null,
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"notes": "moderate asteroid belt"
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},
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{
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"body_id": "GJ451Ae",
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"proper_name": null,
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"body_type": "planet",
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"orbit_index": 5,
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"parent_body_id": null,
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"inhabited": false,
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"population": null,
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"mass_class": "terrestrial",
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"surface_gravity": 0.63,
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"orbital_period_days": 820.0,
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"rotation_period_hours": 31.0,
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"atmosphere": "thin",
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"biome_summary": "cold_arid",
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"hydrosphere": null,
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"economic_role": null,
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"settlement_pattern": null,
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"industrial_corridor": null,
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"notes": "outer rocky, cold, uninhabited"
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},
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{
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"body_id": "GJ451Af",
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"proper_name": null,
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"body_type": "gas_giant",
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"orbit_index": 6,
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"parent_body_id": null,
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"inhabited": false,
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"population": null,
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"mass_class": null,
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"surface_gravity": null,
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"orbital_period_days": 2800.0,
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"rotation_period_hours": 11.6,
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"atmosphere": "gas_giant",
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"biome_summary": null,
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"hydrosphere": null,
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"economic_role": null,
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"settlement_pattern": null,
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"industrial_corridor": null,
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"notes": "outer gas giant, two moons"
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},
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{
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"body_id": "GJ451Af-m1",
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"proper_name": null,
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"body_type": "moon",
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"orbit_index": 1,
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"parent_body_id": "GJ451Af",
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"inhabited": false,
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"population": null,
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"mass_class": "dwarf",
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"surface_gravity": 0.14,
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"orbital_period_days": 9.2,
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"rotation_period_hours": 220.8,
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"atmosphere": "trace",
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"biome_summary": "frozen",
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"hydrosphere": null,
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"economic_role": null,
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"settlement_pattern": null,
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"industrial_corridor": null,
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"notes": "icy moon, tidally locked"
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},
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{
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"body_id": "GJ451Af-m2",
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"proper_name": null,
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"body_type": "moon",
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"orbit_index": 2,
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"parent_body_id": "GJ451Af",
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"inhabited": false,
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"population": null,
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"mass_class": "dwarf",
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"surface_gravity": 0.08,
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"orbital_period_days": 19.6,
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"rotation_period_hours": 470.4,
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"atmosphere": null,
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"biome_summary": "barren",
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"hydrosphere": null,
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"economic_role": null,
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"settlement_pattern": null,
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"industrial_corridor": null,
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"notes": "rocky moon, tidally locked"
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},
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{
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"body_id": "GJ451Ag",
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"proper_name": null,
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"body_type": "planet",
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"orbit_index": 7,
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"parent_body_id": null,
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"inhabited": false,
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"population": null,
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"mass_class": "terrestrial",
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"surface_gravity": 0.49,
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"orbital_period_days": 6400.0,
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"rotation_period_hours": 41.0,
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"atmosphere": "trace",
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"biome_summary": "frozen",
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"hydrosphere": null,
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"economic_role": null,
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"settlement_pattern": null,
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"industrial_corridor": null,
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"notes": "outer icy rocky, uninhabited"
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},
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{
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"body_id": "GJ451Ah",
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"proper_name": null,
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"body_type": "planet",
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"orbit_index": 8,
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"parent_body_id": null,
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"inhabited": false,
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"population": null,
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"mass_class": "terrestrial",
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"surface_gravity": 0.37,
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"orbital_period_days": 11000.0,
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"rotation_period_hours": 52.0,
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"atmosphere": "trace",
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"biome_summary": "frozen",
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"hydrosphere": null,
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"economic_role": null,
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"settlement_pattern": null,
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"industrial_corridor": null,
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"notes": "distant icy rocky, uninhabited"
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},
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{
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"body_id": "GJ451Ai",
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"proper_name": null,
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"body_type": "planet",
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"orbit_index": 9,
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"parent_body_id": null,
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"inhabited": false,
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"population": null,
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"mass_class": "terrestrial",
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"surface_gravity": 0.28,
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"orbital_period_days": 20000.0,
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"rotation_period_hours": 65.0,
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"atmosphere": "trace",
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"biome_summary": "frozen",
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"hydrosphere": null,
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"economic_role": null,
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"settlement_pattern": null,
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"industrial_corridor": null,
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"notes": "far outer icy rocky, uninhabited"
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},
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{
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"body_id": "GJ451Aj",
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"proper_name": null,
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"body_type": "planet",
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"orbit_index": 10,
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"parent_body_id": null,
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"inhabited": false,
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"population": null,
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"mass_class": "terrestrial",
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"surface_gravity": 0.20,
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"orbital_period_days": 36000.0,
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"rotation_period_hours": 80.0,
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"atmosphere": "trace",
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"biome_summary": "frozen",
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"hydrosphere": null,
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"economic_role": null,
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"settlement_pattern": null,
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"industrial_corridor": null,
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"notes": "extreme outer icy rocky, uninhabited"
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},
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{
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"body_id": "GJ451A-oort",
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"proper_name": null,
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"body_type": "oort_cloud",
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"orbit_index": 11,
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"parent_body_id": null,
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"inhabited": false,
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"population": null,
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"mass_class": null,
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"surface_gravity": null,
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"orbital_period_days": null,
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"rotation_period_hours": null,
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"atmosphere": null,
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"biome_summary": null,
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"hydrosphere": null,
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"economic_role": null,
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"settlement_pattern": null,
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"industrial_corridor": null,
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"notes": "oort cloud"
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}
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],
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"stations": [
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{
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"station_id": "GJ451A-oort-S1",
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"proper_name": "Groombridge 1830 Horizon",
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"orbits_body_id": "GJ451A-oort",
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"station_type": "horizon",
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"population": 620,
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"economic_role": "transit",
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"docking_class": "major",
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"has_gate_infrastructure": true,
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"notes": "horizon station — 3 apertures; junction; unsettled system"
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}
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]
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}
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