diff --git a/contrib/stack/topsStack/fetchOrbit.py b/contrib/stack/topsStack/fetchOrbit.py
index 9a11fa6..400cacc 100755
--- a/contrib/stack/topsStack/fetchOrbit.py
+++ b/contrib/stack/topsStack/fetchOrbit.py
@@ -146,7 +146,16 @@ if __name__ == '__main__':
     for spec in orbitMap:
         oType = spec[0]
 
-        url = server + spec[1] + str(fileTS.year).zfill(2) + '/' + str(fileTS.month).zfill(2) + \
+        if oType == 'precise':
+            queryfmt3 = "%Y-%m-%d %H:%M:%S"
+            dt = datetime.datetime.strptime(str(fileTS), queryfmt3)
+            end_date = dt + datetime.timedelta(days=20)
+            fileTS1 = end_date.strftime(queryfmt3)   
+            url = server + spec[1] + str(fileTS1[0:4]) + '/' + str(fileTS1[5:7]) + \
+                               '/' + str(fileTS1[8:10]) + '/'
+            
+        elif oType == 'restituted':
+            url = server + spec[1] + str(fileTS.year).zfill(2) + '/' + str(fileTS.month).zfill(2) + \
                                '/' + str(fileTS.day).zfill(2) + '/'
 
         success = False
@@ -162,12 +171,17 @@ if __name__ == '__main__':
                 match = os.path.join(resulturl, result)
                 if match is not None:
                     success = True
+            
         except:
             pass
-
-        if match is not None:
-            res = download_file(match, inps.outdir, session)
-            if res is False:
-                print('Failed to download URL: ', match)
-        else:
-            print('Failed to find {1} orbits for tref {0}'.format(fileTS, satName))
+        
+        if success:
+            break
+            
+    if match is not None:
+            
+        res = download_file(match, inps.outdir, session)
+        if res is False:
+            print('Failed to download URL: ', match)
+    else:
+        print('Failed to find {1} orbits for tref {0}'.format(fileTS, satName))