diff --git a/docs/atlas/proposals/GJ536.json b/docs/atlas/proposals/GJ536.json
new file mode 100644
index 000000000..22fe7a400
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+++ b/docs/atlas/proposals/GJ536.json
@@ -0,0 +1,249 @@
+{
+  "system_id": "GJ 536",
+  "proper_name": "Retiro",
+  "star_type": "K",
+  "spectral_class": "K5",
+  "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": "GJ536b",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 1,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.44,
+      "orbital_period_days": 20.0,
+      "rotation_period_hours": 480.0,
+      "atmosphere": "none",
+      "biome_summary": "barren",
+      "hydrosphere": null,
+      "economic_role": null,
+      "settlement_pattern": null,
+      "industrial_corridor": null,
+      "notes": "inner rocky, tidally locked, uninhabited"
+    },
+    {
+      "body_id": "GJ536c",
+      "proper_name": "Retiro",
+      "body_type": "planet",
+      "orbit_index": 2,
+      "parent_body_id": null,
+      "inhabited": true,
+      "population": 20000,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.85,
+      "orbital_period_days": 58.0,
+      "rotation_period_hours": 26.0,
+      "atmosphere": "standard",
+      "biome_summary": "temperate_highland",
+      "hydrosphere": "liquid_water",
+      "economic_role": "agricultural",
+      "settlement_pattern": "village_network",
+      "industrial_corridor": null,
+      "notes": "primary inhabited world; wave_3 Brazilian heritage; dead_end; agricultural cooperative tradition; sertão cultural memory; NOT tidally locked — ~26h day-night cycle"
+    },
+    {
+      "body_id": "GJ536-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": "GJ536d",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 4,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.55,
+      "orbital_period_days": 360.0,
+      "rotation_period_hours": 29.0,
+      "atmosphere": "thin",
+      "biome_summary": "cold_arid",
+      "hydrosphere": null,
+      "economic_role": null,
+      "settlement_pattern": null,
+      "industrial_corridor": null,
+      "notes": "outer rocky, uninhabited"
+    },
+    {
+      "body_id": "GJ536e",
+      "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": 1100.0,
+      "rotation_period_hours": 14.5,
+      "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": "GJ536e-m1",
+      "proper_name": null,
+      "body_type": "moon",
+      "orbit_index": 1,
+      "parent_body_id": "GJ536e",
+      "inhabited": false,
+      "population": null,
+      "mass_class": "dwarf",
+      "surface_gravity": 0.10,
+      "orbital_period_days": 7.8,
+      "rotation_period_hours": 187.2,
+      "atmosphere": null,
+      "biome_summary": "frozen",
+      "hydrosphere": null,
+      "economic_role": null,
+      "settlement_pattern": null,
+      "industrial_corridor": null,
+      "notes": "small icy moon, tidally locked"
+    },
+    {
+      "body_id": "GJ536f",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 6,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.46,
+      "orbital_period_days": 3200.0,
+      "rotation_period_hours": 37.0,
+      "atmosphere": "trace",
+      "biome_summary": "frozen",
+      "hydrosphere": null,
+      "economic_role": null,
+      "settlement_pattern": null,
+      "industrial_corridor": null,
+      "notes": "outer icy rocky, uninhabited"
+    },
+    {
+      "body_id": "GJ536g",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 7,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.37,
+      "orbital_period_days": 6800.0,
+      "rotation_period_hours": 47.0,
+      "atmosphere": "trace",
+      "biome_summary": "frozen",
+      "hydrosphere": null,
+      "economic_role": null,
+      "settlement_pattern": null,
+      "industrial_corridor": null,
+      "notes": "distant icy rocky, uninhabited"
+    },
+    {
+      "body_id": "GJ536h",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 8,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.28,
+      "orbital_period_days": 12500.0,
+      "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": "GJ536i",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 9,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.20,
+      "orbital_period_days": 22500.0,
+      "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": "GJ536-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": "GJ536-oort-S1",
+      "proper_name": "Retiro Horizon",
+      "orbits_body_id": "GJ536-oort",
+      "station_type": "horizon",
+      "population": 110,
+      "economic_role": "transit",
+      "docking_class": "major",
+      "has_gate_infrastructure": true,
+      "notes": "horizon station — 1 aperture; dead_end"
+    }
+  ]
+}