diff --git a/docs/atlas/proposals/GJ451A.json b/docs/atlas/proposals/GJ451A.json
new file mode 100644
index 000000000..92431a74f
--- /dev/null
+++ b/docs/atlas/proposals/GJ451A.json
@@ -0,0 +1,289 @@
+{
+  "system_id": "GJ 451A",
+  "proper_name": "Groombridge 1830",
+  "star_type": "G",
+  "spectral_class": "G8Vp",
+  "wiki_data": {
+    "habitable_count": 0,
+    "inhabited_count": 0,
+    "has_gas_giant": true,
+    "has_asteroid_belt": true,
+    "has_horizon_station": true,
+    "raw_bodies_line": null
+  },
+  "bodies": [
+    {
+      "body_id": "GJ451Ab",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 1,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.55,
+      "orbital_period_days": 72.0,
+      "rotation_period_hours": 21.5,
+      "atmosphere": "none",
+      "biome_summary": "barren",
+      "hydrosphere": null,
+      "economic_role": null,
+      "settlement_pattern": null,
+      "industrial_corridor": null,
+      "notes": "inner rocky, hot, uninhabited"
+    },
+    {
+      "body_id": "GJ451Ac",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 2,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.82,
+      "orbital_period_days": 168.0,
+      "rotation_period_hours": 26.0,
+      "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": "GJ451Ad",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 3,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.71,
+      "orbital_period_days": 340.0,
+      "rotation_period_hours": 24.8,
+      "atmosphere": "thin",
+      "biome_summary": "arid",
+      "hydrosphere": null,
+      "economic_role": null,
+      "settlement_pattern": null,
+      "industrial_corridor": null,
+      "notes": "habitable zone rocky, too dry, unsettled; wave_4 heritage survey conducted"
+    },
+    {
+      "body_id": "GJ451A-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": "moderate asteroid belt"
+    },
+    {
+      "body_id": "GJ451Ae",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 5,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.63,
+      "orbital_period_days": 820.0,
+      "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": "GJ451Af",
+      "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": 2800.0,
+      "rotation_period_hours": 11.6,
+      "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": "GJ451Af-m1",
+      "proper_name": null,
+      "body_type": "moon",
+      "orbit_index": 1,
+      "parent_body_id": "GJ451Af",
+      "inhabited": false,
+      "population": null,
+      "mass_class": "dwarf",
+      "surface_gravity": 0.14,
+      "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": "GJ451Af-m2",
+      "proper_name": null,
+      "body_type": "moon",
+      "orbit_index": 2,
+      "parent_body_id": "GJ451Af",
+      "inhabited": false,
+      "population": null,
+      "mass_class": "dwarf",
+      "surface_gravity": 0.08,
+      "orbital_period_days": 19.6,
+      "rotation_period_hours": 470.4,
+      "atmosphere": null,
+      "biome_summary": "barren",
+      "hydrosphere": null,
+      "economic_role": null,
+      "settlement_pattern": null,
+      "industrial_corridor": null,
+      "notes": "rocky moon, tidally locked"
+    },
+    {
+      "body_id": "GJ451Ag",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 7,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.49,
+      "orbital_period_days": 6400.0,
+      "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": "GJ451Ah",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 8,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.37,
+      "orbital_period_days": 11000.0,
+      "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": "GJ451Ai",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 9,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.28,
+      "orbital_period_days": 20000.0,
+      "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": "GJ451Aj",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 10,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.20,
+      "orbital_period_days": 36000.0,
+      "rotation_period_hours": 80.0,
+      "atmosphere": "trace",
+      "biome_summary": "frozen",
+      "hydrosphere": null,
+      "economic_role": null,
+      "settlement_pattern": null,
+      "industrial_corridor": null,
+      "notes": "extreme outer icy rocky, uninhabited"
+    },
+    {
+      "body_id": "GJ451A-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": "GJ451A-oort-S1",
+      "proper_name": "Groombridge 1830 Horizon",
+      "orbits_body_id": "GJ451A-oort",
+      "station_type": "horizon",
+      "population": 620,
+      "economic_role": "transit",
+      "docking_class": "major",
+      "has_gate_infrastructure": true,
+      "notes": "horizon station — 3 apertures; junction; unsettled system"
+    }
+  ]
+}