diff --git a/OpenAPI/TS28541_NrNrm.yaml b/OpenAPI/TS28541_NrNrm.yaml
index a7cf8e658d35d082c32c1e0626727b820c89bb6c..3b8fcc699e9c196e9f6290cb1bba8bd47459ce4d 100755
--- a/OpenAPI/TS28541_NrNrm.yaml
+++ b/OpenAPI/TS28541_NrNrm.yaml
@@ -591,6 +591,75 @@ components:
             type: integer
           minValue:
             type: integer
+    NTNTAClist:
+      type: array
+      items:
+        $ref: '#/components/schemas/NrTac'
+    Ephemeris:
+      type: object
+      oneOf:
+        - $ref: '#/components/schemas/PositionVelocity'
+        - $ref: '#/components/schemas/Orbital'
+      properties:
+        satelliteId:
+          type: integer
+  
+    PositionVelocity:
+      type: object
+      properties:
+        positionX:
+          type: integer
+          minimum: 0
+          maximum: 604800
+        positionY:
+          type: integer
+          minimum: 0
+          maximum: 604800
+        positionZ:
+          type: integer
+          minimum: 0
+          maximum: 604800
+        velocityVX:
+          type: integer
+          minimum: -131072
+          maximum: 131071         
+        velocityVY:
+          type: integer
+          minimum: -131072
+          maximum: 131071           
+        velocityVZ:
+          type: integer
+          minimum: -131072
+          maximum: 131071
+
+    Orbital:
+      type: object
+      properties:
+          semiMajorAxis:
+            type: integer
+            minimum: 0
+            maximum: 8589934591 
+          eccentricity:
+            type: integer
+            minimum: -524288
+            maximum: 524287
+          periapsis:
+            type: integer
+            minimum: 0
+            maximum: 16777215
+          longitude:
+            type: integer
+            minimum: 0
+            maximum: 2097151
+          inclination:
+            type: integer
+            minimum: -524288
+            maximum: 524287
+          meanAnomaly:
+            type: integer
+            minimum: 0
+            maximum: 16777215
+
 #-------- Definition of abstract IOCs --------------------------------------------
 
     RrmPolicy_-Attr:
@@ -1874,6 +1943,45 @@ components:
       allOf:
         - $ref: '#/components/schemas/CCOParameters-Attr'
         - type: object
+    
+    NTNFunction-Single:
+      allOf:
+        - $ref: 'TS28623_GenericNrm.yaml#/components/schemas/Top'
+        - type: object
+          properties:
+            attributes:
+              type: object
+              properties:
+                nTNpLMNInfoList:
+                  $ref: '#/components/schemas/PlmnInfoList'
+                nTNTAClist:
+                  $ref: '#/components/schemas/NrTacList'
+            EphemerisInfoSet:
+              $ref: '#/components/schemas/EphemerisInfoSet-Multiple'
+
+    EphemerisInfoSet-Single:
+      allOf:
+        - $ref: 'TS28623_GenericNrm.yaml#/components/schemas/Top'
+        - type: object
+          properties:
+            attributes:
+              allOf:
+                - type: object
+                  properties:
+                    EphemerisInfos:
+                      $ref: '#/components/schemas/Ephemeris-Multiple'
+
+    Ephemeris-Single:
+      allOf:
+              - $ref: 'TS28623_GenericNrm.yaml#/components/schemas/Top'
+              - type: object
+                oneOf:
+                  - $ref: '#/components/schemas/PositionVelocity'
+                  - $ref: '#/components/schemas/Orbital'
+                properties:
+                  satelliteId:
+                    type: integer
+
 
 #-------- Definition of JSON arrays for name-contained IOCs ----------------------
 
@@ -2037,7 +2145,15 @@ components:
       type: array
       items:
         $ref: '#/components/schemas/EP_S1U-Single'
+    EphemerisInfoSet-Multiple:
+      type: array
+      items:
+        $ref: '#/components/schemas/EphemerisInfoSet-Single'
 
+    Ephemeris-Multiple:
+      type: array
+      items:
+        $ref: '#/components/schemas/Ephemeris-Single'
 #-------- Definitions in TS 28.541 for TS 28.532 ---------------------------------
 
     resources-nrNrm:
@@ -2104,3 +2220,7 @@ components:
         - $ref: '#/components/schemas/CCOWeakCoverageParameters-Single'
         - $ref: '#/components/schemas/CCOPilotPollutionParameters-Single'
         - $ref: '#/components/schemas/CCOOvershootCoverageParameters-Single'
+        - $ref: '#/components/schemas/NTNFunction-Single'
+        - $ref: '#/components/schemas/EphemerisInfoSet-Single'
+        - $ref: '#/components/schemas/Ephemeris-Single'
+