diff --git a/backend/app/models/db/static_data.py b/backend/app/models/db/static_data.py
index 0cfa727..3c866e8 100644
--- a/backend/app/models/db/static_data.py
+++ b/backend/app/models/db/static_data.py
@@ -25,7 +25,7 @@ class StaticData(Base):
     # Constraints and indexes
     __table_args__ = (
         CheckConstraint(
-            "category IN ('constellation', 'galaxy', 'star', 'nebula', 'cluster')",
+            "category IN ('constellation', 'galaxy', 'star', 'nebula', 'cluster', 'asteroid_belt', 'kuiper_belt')",
             name="chk_category",
         ),
         UniqueConstraint("category", "name", name="uq_category_name"),
diff --git a/backend/scripts/run_sql.py b/backend/scripts/run_sql.py
new file mode 100644
index 0000000..98ee8d0
--- /dev/null
+++ b/backend/scripts/run_sql.py
@@ -0,0 +1,40 @@
+import asyncio
+import sys
+from sqlalchemy import text
+from app.database import get_db, init_db
+import logging
+
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger(__name__)
+
+async def run_sql_file(sql_file_path):
+    await init_db()
+    
+    try:
+        with open(sql_file_path, 'r') as f:
+            sql_content = f.read()
+            
+        # Split by semicolon to handle multiple statements if needed
+        # But sqlalchemy text() might handle it. Let's try executing as one block if possible,
+        # or split manually if it's simple.
+        statements = [s.strip() for s in sql_content.split(';') if s.strip()]
+        
+        async for session in get_db():
+            for stmt in statements:
+                logger.info(f"Executing: {stmt[:50]}...")
+                await session.execute(text(stmt))
+            await session.commit()
+            logger.info("SQL execution completed successfully.")
+            
+    except FileNotFoundError:
+        logger.error(f"File not found: {sql_file_path}")
+    except Exception as e:
+        logger.error(f"Error executing SQL: {e}")
+
+if __name__ == "__main__":
+    if len(sys.argv) < 2:
+        print("Usage: python -m scripts.run_sql <path_to_sql_file>")
+        sys.exit(1)
+        
+    sql_file = sys.argv[1]
+    asyncio.run(run_sql_file(sql_file))
diff --git a/backend/scripts/seed_asteroid_belts.py b/backend/scripts/seed_asteroid_belts.py
new file mode 100644
index 0000000..e94039b
--- /dev/null
+++ b/backend/scripts/seed_asteroid_belts.py
@@ -0,0 +1,83 @@
+import asyncio
+from sqlalchemy.ext.asyncio import AsyncSession
+from app.database import get_db, init_db
+from app.models.db import StaticData
+from datetime import datetime
+import logging
+
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger(__name__)
+
+async def seed_asteroid_belts():
+    await init_db() # Ensure database is initialized
+
+    async for session in get_db(): # Use async for to get the session
+        logger.info("Seeding asteroid and Kuiper belt static data...")
+
+        belts_data = [
+            {
+                "category": "asteroid_belt",
+                "name": "Main Asteroid Belt",
+                "name_zh": "主小行星带",
+                "data": {
+                    "innerRadiusAU": 2.2,
+                    "outerRadiusAU": 3.2,
+                    "count": 1500,
+                    "color": "#665544",
+                    "size": 0.1,
+                    "opacity": 0.4,
+                    "heightScale": 0.05,
+                    "rotationSpeed": 0.02
+                }
+            },
+            {
+                "category": "kuiper_belt",
+                "name": "Kuiper Belt",
+                "name_zh": "柯伊伯带",
+                "data": {
+                    "innerRadiusAU": 30,
+                    "outerRadiusAU": 50,
+                    "count": 2500,
+                    "color": "#AABBDD",
+                    "size": 0.2,
+                    "opacity": 0.3,
+                    "heightScale": 0.1,
+                    "rotationSpeed": 0.005
+                }
+            }
+        ]
+
+        for belt_item in belts_data:
+            # Check if an item with the same category and name already exists
+            existing_item = await session.execute(
+                StaticData.__table__.select().where(
+                    StaticData.category == belt_item["category"],
+                    StaticData.name == belt_item["name"]
+                )
+            )
+            if existing_item.scalar_one_or_none():
+                logger.info(f"Static data for {belt_item['name']} already exists. Updating...")
+                stmt = StaticData.__table__.update().where(
+                    StaticData.category == belt_item["category"],
+                    StaticData.name == belt_item["name"]
+                ).values(
+                    name_zh=belt_item["name_zh"],
+                    data=belt_item["data"],
+                    updated_at=datetime.utcnow()
+                )
+                await session.execute(stmt)
+            else:
+                logger.info(f"Adding static data for {belt_item['name']}...")
+                static_data_entry = StaticData(
+                    category=belt_item["category"],
+                    name=belt_item["name"],
+                    name_zh=belt_item["name_zh"],
+                    data=belt_item["data"]
+                )
+                session.add(static_data_entry)
+        
+        await session.commit()
+        logger.info("Asteroid and Kuiper belt static data seeding complete.")
+
+if __name__ == "__main__":
+    asyncio.run(seed_asteroid_belts())
diff --git a/backend/scripts/update_category_constraint.sql b/backend/scripts/update_category_constraint.sql
new file mode 100644
index 0000000..c571f5f
--- /dev/null
+++ b/backend/scripts/update_category_constraint.sql
@@ -0,0 +1,6 @@
+-- Remove the old constraint
+ALTER TABLE static_data DROP CONSTRAINT IF EXISTS chk_category;
+
+-- Add the updated constraint
+ALTER TABLE static_data ADD CONSTRAINT chk_category 
+CHECK (category IN ('constellation', 'galaxy', 'star', 'nebula', 'cluster', 'asteroid_belt', 'kuiper_belt'));