diff --git a/docs/atlas/proposals/GJ354A.json b/docs/atlas/proposals/GJ354A.json
new file mode 100644
index 000000000..041ba7d74
--- /dev/null
+++ b/docs/atlas/proposals/GJ354A.json
@@ -0,0 +1,189 @@
+{
+  "system_id": "GJ 354A",
+  "proper_name": null,
+  "star_type": "M",
+  "spectral_class": "M0V",
+  "wiki_data": {
+    "habitable_count": 1,
+    "inhabited_count": 0,
+    "has_gas_giant": false,
+    "has_asteroid_belt": true,
+    "has_horizon_station": true,
+    "raw_bodies_line": null
+  },
+  "bodies": [
+    {
+      "body_id": "GJ354Ab",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 1,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.36,
+      "orbital_period_days": 11.4,
+      "rotation_period_hours": 273.6,
+      "atmosphere": "none",
+      "biome_summary": "barren",
+      "hydrosphere": null,
+      "economic_role": null,
+      "settlement_pattern": null,
+      "industrial_corridor": null,
+      "notes": "inner scorched rocky, tidally locked"
+    },
+    {
+      "body_id": "GJ354Ac",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 2,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.76,
+      "orbital_period_days": 72.0,
+      "rotation_period_hours": 27.4,
+      "atmosphere": "thin",
+      "biome_summary": "cold_arid",
+      "hydrosphere": null,
+      "economic_role": null,
+      "settlement_pattern": null,
+      "industrial_corridor": null,
+      "notes": "HZ candidate; thin atmosphere — technically habitable but pressure differential requires expensive engineering; noted, assessed as solvable at cost, determined not worth the cost at hop 12; unsettled"
+    },
+    {
+      "body_id": "GJ354A-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": "GJ354Ad",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 4,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.50,
+      "orbital_period_days": 240.0,
+      "rotation_period_hours": 25.8,
+      "atmosphere": "trace",
+      "biome_summary": "frozen",
+      "hydrosphere": null,
+      "economic_role": null,
+      "settlement_pattern": null,
+      "industrial_corridor": null,
+      "notes": "outer rocky, frozen, uninhabited"
+    },
+    {
+      "body_id": "GJ354Ae",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 5,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "terrestrial",
+      "surface_gravity": 0.40,
+      "orbital_period_days": 720.0,
+      "rotation_period_hours": 29.8,
+      "atmosphere": "trace",
+      "biome_summary": "frozen",
+      "hydrosphere": "ice",
+      "economic_role": null,
+      "settlement_pattern": null,
+      "industrial_corridor": null,
+      "notes": "outer icy rocky, uninhabited"
+    },
+    {
+      "body_id": "GJ354Af",
+      "proper_name": null,
+      "body_type": "planet",
+      "orbit_index": 6,
+      "parent_body_id": null,
+      "inhabited": false,
+      "population": null,
+      "mass_class": "dwarf",
+      "surface_gravity": 0.11,
+      "orbital_period_days": 2000.0,
+      "rotation_period_hours": 22.6,
+      "atmosphere": "none",
+      "biome_summary": "frozen",
+      "hydrosphere": "ice",
+      "economic_role": null,
+      "settlement_pattern": null,
+      "industrial_corridor": null,
+      "notes": "outermost ice dwarf"
+    },
+    {
+      "body_id": "GJ354Ag",
+      "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": 5200.0,
+      "rotation_period_hours": 18.4,
+      "atmosphere": "none",
+      "biome_summary": "frozen",
+      "hydrosphere": "ice",
+      "economic_role": null,
+      "settlement_pattern": null,
+      "industrial_corridor": null,
+      "notes": "distant ice dwarf"
+    },
+    {
+      "body_id": "GJ354A-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": "GJ354A-oort-S1",
+      "proper_name": "GJ 354A Horizon",
+      "orbits_body_id": "GJ354A-oort",
+      "station_type": "horizon",
+      "population": 0,
+      "economic_role": "transit",
+      "docking_class": "major",
+      "has_gate_infrastructure": true,
+      "notes": "horizon station — 2 apertures; through_route; connects GJ 656 and GJ 684B; corridor waypoint; automated"
+    }
+  ]
+}
diff --git a/wiki/star-systems/GJ-354A/index.md b/wiki/star-systems/GJ-354A/index.md
index 4921a237c..5200dfbb0 100644
--- a/wiki/star-systems/GJ-354A/index.md
+++ b/wiki/star-systems/GJ-354A/index.md
@@ -34,6 +34,26 @@ No faction presence.
 
 ---
 
+## Celestial Bodies
+<!-- READ-ONLY — generated from systems.db bodies/stations tables -->
+
+| Orbit | ID | Name | Type | Inhabited | Pop | Mass | Gravity | Year (d) | Day (h) | Atmo | Biome | Hydro | Economy | Settlement | Industrial |
+|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
+| 1 | `GJ354Ab` | — | planet | no | — | terrestrial | 0.36g | 11 | 273.6 | none | barren | — | — | — | — |
+| 2 | `GJ354Ac` | — | planet | no | — | terrestrial | 0.76g | 72 | 27.4 | thin | cold_arid | — | — | — | — |
+| 3 | `GJ354A-belt` | — | asteroid_belt | no | — | — | — | — | — | — | — | — | — | — | — |
+| 4 | `GJ354Ad` | — | planet | no | — | terrestrial | 0.50g | 240 | 25.8 | trace | frozen | — | — | — | — |
+| 5 | `GJ354Ae` | — | planet | no | — | terrestrial | 0.40g | 720 | 29.8 | trace | frozen | ice | — | — | — |
+| 6 | `GJ354Af` | — | planet | no | — | dwarf | 0.11g | 2000 | 22.6 | none | frozen | ice | — | — | — |
+| 7 | `GJ354Ag` | — | planet | no | — | dwarf | 0.08g | 5200 | 18.4 | none | frozen | ice | — | — | — |
+| 8 | `GJ354A-oort` | — | oort_cloud | no | — | — | — | — | — | — | — | — | — | — | — |
+
+### Stations & Facilities
+
+| ID | Name | Type | Orbits | Population | Economy | Governance | Docking | Gate | Districts |
+|---|---|---|---|---|---|---|---|---|---|
+| `GJ354A-oort-S1` | GJ 354A Horizon | horizon | `GJ354A-oort` | — | transit | — | major | yes | 1 |
+
 ## Topology
 <!-- READ-ONLY — regenerated from star-map.json edges -->
 - **Hop Distance from Gateway:** 12