diff --git a/src/src_user/Applications/UserDefined/AOCS/HardwareDependent/SensorSelectors/sun_sensor_selector.c b/src/src_user/Applications/UserDefined/AOCS/HardwareDependent/SensorSelectors/sun_sensor_selector.c
index 321cdcec..4312192f 100644
--- a/src/src_user/Applications/UserDefined/AOCS/HardwareDependent/SensorSelectors/sun_sensor_selector.c
+++ b/src/src_user/Applications/UserDefined/AOCS/HardwareDependent/SensorSelectors/sun_sensor_selector.c
@@ -15,6 +15,9 @@
 // Satellite Parameters
 #include <src_user/Settings/SatelliteParameters/nanossoc_d60_parameters.h>
 
+#define NANOSSOC_D60_UPPER_LIMIT_ANGLE_DEGREE (60)  //!< コンポ検出上限
+#define NANOSSOC_D60_LOWER_LIMIT_ANGLE_DEGREE (-60) //!< コンポ検出下限
+
 static SunSensorSelector        sun_sensor_selector_;
 const  SunSensorSelector* const sun_sensor_selector = &sun_sensor_selector_;
 
@@ -109,6 +112,8 @@ static void APP_SS_SELECTOR_generate_available_list_(void)
 static APP_SS_SELECTOR_AVAILABLE APP_SS_SELECTOR_check_availability_(NANOSSOC_D60_IDX idx)
 {
   float sun_intensity_percent = nanossoc_d60_driver[idx]->info.sun_intensity_percent;
+  float sun_angle_compo_alpha_deg = nanossoc_d60_driver[idx]->info.sun_angle_compo_deg[NANOSSOC_D60_ANGLE_ELEMENT_ALPHA];
+  float sun_angle_compo_beta_deg = nanossoc_d60_driver[idx]->info.sun_angle_compo_deg[NANOSSOC_D60_ANGLE_ELEMENT_BETA];
 
   if (nanossoc_d60_driver[idx]->info.checksum_state != NANOSSOC_D60_CHECKSUM_STATE_OK)
   {
@@ -122,6 +127,14 @@ static APP_SS_SELECTOR_AVAILABLE APP_SS_SELECTOR_check_availability_(NANOSSOC_D6
   {
     return APP_SS_SELECTOR_AVAILABLE_NG;
   }
+  else if (sun_angle_compo_alpha_deg <= NANOSSOC_D60_LOWER_LIMIT_ANGLE_DEGREE || NANOSSOC_D60_UPPER_LIMIT_ANGLE_DEGREE <= sun_angle_compo_alpha_deg)
+  {
+    return APP_SS_SELECTOR_AVAILABLE_NG;
+  }
+  else if (sun_angle_compo_beta_deg <= NANOSSOC_D60_LOWER_LIMIT_ANGLE_DEGREE || NANOSSOC_D60_UPPER_LIMIT_ANGLE_DEGREE <= sun_angle_compo_beta_deg)
+  {
+    return APP_SS_SELECTOR_AVAILABLE_NG;
+  }
   else
   {
     return APP_SS_SELECTOR_AVAILABLE_OK;