diff --git a/src/simulation/dynamics/facetSRPDynamicEffector/_UnitTest/test_unitFacetSRPDynamicEffector.py b/src/simulation/dynamics/facetSRPDynamicEffector/_UnitTest/test_unitFacetSRPDynamicEffector.py
index 6bbd424871..dacfe53be3 100644
--- a/src/simulation/dynamics/facetSRPDynamicEffector/_UnitTest/test_unitFacetSRPDynamicEffector.py
+++ b/src/simulation/dynamics/facetSRPDynamicEffector/_UnitTest/test_unitFacetSRPDynamicEffector.py
@@ -66,7 +66,7 @@ def test_facetSRPTestFunction(show_plots, facetRotAngle1, facetRotAngle2):
         facetRotAngle1 (double): [rad] Articulation angle for facets 7 and 8 (solar panel 1)
         facetRotAngle2 (double): [rad] Articulation angle for facets 9 and 10 (solar panel 2)
     """
-    
+
     [testResults, testMessage] = facetSRPTestFunction(show_plots, facetRotAngle1, facetRotAngle2)
 
     assert testResults < 1, testMessage
@@ -121,7 +121,7 @@ def facetSRPTestFunction(show_plots, facetRotAngle1, facetRotAngle2):
     facetRotAngle1MessageData.theta = facetRotAngle1
     facetRotAngle1MessageData.thetaDot = 0.0
     facetRotAngle1Message = messaging.HingedRigidBodyMsg().write(facetRotAngle1MessageData)
-    
+
     facetRotAngle2MessageData = messaging.HingedRigidBodyMsgPayload()
     facetRotAngle2MessageData.theta = facetRotAngle2
     facetRotAngle2MessageData.thetaDot = 0.0
@@ -291,11 +291,11 @@ def checkFacetSRPForce(index, facetRotAngle1, facetRotAngle2, area, specCoeff, d
 
     # Rotate the articulated facet normal vectors
     if (index == 6 or index == 7):
-        prv_BB0 = facetRotAngle1 * facetRotAxis
+        prv_BB0 = -facetRotAngle1 * facetRotAxis
         dcm_BB0 = rbk.PRV2C(prv_BB0)
         facetNormal = np.matmul(dcm_BB0, facetNormal)
     if (index == 8 or index == 9):
-        prv_BB0 = facetRotAngle2 * facetRotAxis
+        prv_BB0 = -facetRotAngle2 * facetRotAxis
         dcm_BB0 = rbk.PRV2C(prv_BB0)
         facetNormal = np.matmul(dcm_BB0, facetNormal)
 
diff --git a/src/simulation/dynamics/facetSRPDynamicEffector/facetSRPDynamicEffector.cpp b/src/simulation/dynamics/facetSRPDynamicEffector/facetSRPDynamicEffector.cpp
index adde784def..0b758be0d6 100644
--- a/src/simulation/dynamics/facetSRPDynamicEffector/facetSRPDynamicEffector.cpp
+++ b/src/simulation/dynamics/facetSRPDynamicEffector/facetSRPDynamicEffector.cpp
@@ -176,9 +176,9 @@ void FacetSRPDynamicEffector::computeForceTorque(double callTime, double timeSte
             double articulationAngle = facetArticulationAngleList.at(articulatedIndex);
 
             // Determine the required DCM that rotates the facet normal vector through the articulation angle
-            double prv_BB0[3] = {articulationAngle * scGeometry.facetRotAxes_B[i][0],
-                                 articulationAngle * scGeometry.facetRotAxes_B[i][1],
-                                 articulationAngle * scGeometry.facetRotAxes_B[i][2]};
+            double prv_BB0[3] = {-articulationAngle * scGeometry.facetRotAxes_B[i][0],
+                                 -articulationAngle * scGeometry.facetRotAxes_B[i][1],
+                                 -articulationAngle * scGeometry.facetRotAxes_B[i][2]};
             PRV2C(prv_BB0, dcmBB0);
             dcm_BB0 = c2DArray2EigenMatrix3d(dcmBB0);
 
diff --git a/src/simulation/dynamics/facetSRPDynamicEffector/facetSRPDynamicEffector.rst b/src/simulation/dynamics/facetSRPDynamicEffector/facetSRPDynamicEffector.rst
index 2ddb060321..7ddbdc5ec9 100644
--- a/src/simulation/dynamics/facetSRPDynamicEffector/facetSRPDynamicEffector.rst
+++ b/src/simulation/dynamics/facetSRPDynamicEffector/facetSRPDynamicEffector.rst
@@ -8,9 +8,9 @@ articulating facets. The unit test for this module shows how to set up this part
 
 Message Connection Descriptions
 -------------------------------
-The following table lists all the module input and output messages.  
-The module msg connection is set by the user from python.  
-The msg type contains a link to the message structure definition, while the description 
+The following table lists all the module input and output messages.
+The module msg connection is set by the user from python.
+The msg type contains a link to the message structure definition, while the description
 provides information on what this message is used for.
 
 .. list-table:: Module I/O Messages
@@ -48,7 +48,7 @@ required to rotate the given facet normal vector through the current facet artic
 principal rotation vector (PRV) transformation where:
 
 .. math::
-    [\mathcal{B}_0\mathcal{B}] = \text{PRV2C}(\phi, \boldsymbol{\hat{a}})
+    [\mathcal{B}\mathcal{B}_0] = \text{PRV2C}(-\phi, \boldsymbol{\hat{a}})
 
 and