diff --git a/docs/atlas/proposals/GJ423B.json b/docs/atlas/proposals/GJ423B.json
new file mode 100644
index 000000000..91d9b6887
--- /dev/null
+++ b/docs/atlas/proposals/GJ423B.json
@@ -0,0 +1,289 @@
+{
+  "system_id": "GJ 423B",
+  "proper_name": "Quilombo",
+  "star_type": "G",
+  "spectral_class": "G0 Ve",
+  "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": "GJ423Bb",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 1,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.56,
+      "orbital_period_days": 64.0,
+      "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": "GJ423Bc",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 2,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.87,
+      "orbital_period_days": 185.0,
+      "rotation_period_hours": 27.4,
+      "atmosphere": "thick",
+      "biome_summary": "hot_arid",
+      "hydrosphere": null,
+      "economic_role": null,
+      "settlement_pattern": null,
+      "industrial_corridor": null,
+      "notes": "inner rocky, Venus-like, uninhabited"
+    },
+    {
+      "body_id": "GJ423Bd",
+      "proper_name": "Quilombo",
+      "body_type": "planet",
+      "orbit_index": 3,
+      "parent_body_id": null,
+      "inhabited": true,
+      "population": 390000,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.93,
+      "orbital_period_days": 348.0,
+      "rotation_period_hours": 25.8,
+      "atmosphere": "standard",
+      "biome_summary": "tropical",
+      "hydrosphere": "liquid_water",
+      "economic_role": "agricultural",
+      "settlement_pattern": "village_network",
+      "industrial_corridor": null,
+      "notes": "primary inhabited world; wave_3 Afro-Brazilian heritage; quilombo community governance tradition"
+    },
+    {
+      "body_id": "GJ423B-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": "asteroid belt"
+    },
+    {
+      "body_id": "GJ423Be",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 5,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.72,
+      "orbital_period_days": 760.0,
+      "rotation_period_hours": 30.0,
+      "atmosphere": "thin",
+      "biome_summary": "cold_arid",
+      "hydrosphere": null,
+      "economic_role": null,
+      "settlement_pattern": null,
+      "industrial_corridor": null,
+      "notes": "outer rocky, cold, uninhabited"
+    },
+    {
+      "body_id": "GJ423Bf",
+      "proper_name": null,
+      "body_type": "gas_giant",
+      "orbit_index": 6,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": null,
+      "surface_gravity": null,
+      "orbital_period_days": 2400.0,
+      "rotation_period_hours": 10.2,
+      "atmosphere": "gas_giant",
+      "biome_summary": null,
+      "hydrosphere": null,
+      "economic_role": null,
+      "settlement_pattern": null,
+      "industrial_corridor": null,
+      "notes": "outer gas giant, two moons"
+    },
+    {
+      "body_id": "GJ423Bf-m1",
+      "proper_name": null,
+      "body_type": "moon",
+      "orbit_index": 1,
+      "parent_body_id": "GJ423Bf",
+      "inhabited": false,
+      "population": null,
+      "mass_class": "dwarf",
+      "surface_gravity": 0.15,
+      "orbital_period_days": 7.2,
+      "rotation_period_hours": 172.8,
+      "atmosphere": "trace",
+      "biome_summary": "frozen",
+      "hydrosphere": null,
+      "economic_role": null,
+      "settlement_pattern": null,
+      "industrial_corridor": null,
+      "notes": "icy moon, tidally locked"
+    },
+    {
+      "body_id": "GJ423Bf-m2",
+      "proper_name": null,
+      "body_type": "moon",
+      "orbit_index": 2,
+      "parent_body_id": "GJ423Bf",
+      "inhabited": false,
+      "population": null,
+      "mass_class": "dwarf",
+      "surface_gravity": 0.10,
+      "orbital_period_days": 15.6,
+      "rotation_period_hours": 374.4,
+      "atmosphere": null,
+      "biome_summary": "barren",
+      "hydrosphere": null,
+      "economic_role": null,
+      "settlement_pattern": null,
+      "industrial_corridor": null,
+      "notes": "rocky moon, tidally locked"
+    },
+    {
+      "body_id": "GJ423Bg",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 7,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.62,
+      "orbital_period_days": 5400.0,
+      "rotation_period_hours": 38.0,
+      "atmosphere": "trace",
+      "biome_summary": "frozen",
+      "hydrosphere": null,
+      "economic_role": null,
+      "settlement_pattern": null,
+      "industrial_corridor": null,
+      "notes": "outer icy rocky, uninhabited"
+    },
+    {
+      "body_id": "GJ423Bh",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 8,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.48,
+      "orbital_period_days": 9800.0,
+      "rotation_period_hours": 46.0,
+      "atmosphere": "trace",
+      "biome_summary": "frozen",
+      "hydrosphere": null,
+      "economic_role": null,
+      "settlement_pattern": null,
+      "industrial_corridor": null,
+      "notes": "distant icy rocky, uninhabited"
+    },
+    {
+      "body_id": "GJ423Bi",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 9,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.36,
+      "orbital_period_days": 17800.0,
+      "rotation_period_hours": 59.0,
+      "atmosphere": "trace",
+      "biome_summary": "frozen",
+      "hydrosphere": null,
+      "economic_role": null,
+      "settlement_pattern": null,
+      "industrial_corridor": null,
+      "notes": "far outer icy rocky, uninhabited"
+    },
+    {
+      "body_id": "GJ423Bj",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 10,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.26,
+      "orbital_period_days": 32000.0,
+      "rotation_period_hours": 74.0,
+      "atmosphere": "trace",
+      "biome_summary": "frozen",
+      "hydrosphere": null,
+      "economic_role": null,
+      "settlement_pattern": null,
+      "industrial_corridor": null,
+      "notes": "extreme outer icy rocky, uninhabited"
+    },
+    {
+      "body_id": "GJ423B-oort",
+      "proper_name": null,
+      "body_type": "oort_cloud",
+      "orbit_index": 11,
+      "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": "GJ423B-oort-S1",
+      "proper_name": "Quilombo Horizon",
+      "orbits_body_id": "GJ423B-oort",
+      "station_type": "horizon",
+      "population": 820,
+      "economic_role": "transit",
+      "docking_class": "major",
+      "has_gate_infrastructure": true,
+      "notes": "horizon station — 2 apertures; through_route"
+    }
+  ]
+}