diff --git a/core/src/main/java/org/orekit/rugged/api/Rugged.java b/core/src/main/java/org/orekit/rugged/api/Rugged.java
index bd3b4d9256fb1dc20861de6b7978a54f325808a9..ae97674806b6da7aa1575b39d548c3fe1a34ad31 100644
--- a/core/src/main/java/org/orekit/rugged/api/Rugged.java
+++ b/core/src/main/java/org/orekit/rugged/api/Rugged.java
@@ -366,6 +366,20 @@ public class Rugged {
         return sensors.values();
     }
 
+    /** Get the start of search time span.
+     * @return start of search time span
+     */
+    public AbsoluteDate getMinDate() {
+        return scToBody.getMinDate();
+    }
+
+    /** Get the end of search time span.
+     * @return end of search time span
+     */
+    public AbsoluteDate getMaxDate() {
+        return scToBody.getMaxDate();
+    }
+
     /** Select inertial frame.
      * @param inertialFrameId inertial frame identifier
      * @return inertial frame
@@ -692,7 +706,7 @@ public class Rugged {
      * @return selected sensor
      * @exception RuggedException if sensor is not known
      */
-    private LineSensor getLineSensor(final String sensorName) throws RuggedException {
+    public LineSensor getLineSensor(final String sensorName) throws RuggedException {
         final LineSensor sensor = sensors.get(sensorName);
         if (sensor == null) {
             throw new RuggedException(RuggedMessages.UNKNOWN_SENSOR, sensorName);
diff --git a/core/src/main/java/org/orekit/rugged/utils/SpacecraftToObservedBody.java b/core/src/main/java/org/orekit/rugged/utils/SpacecraftToObservedBody.java
index 8fe52aaf90cbdb5bce62e63722431518149a3251..a4ce304584b5489eb501cfa72596c8d6ed92b6d1 100644
--- a/core/src/main/java/org/orekit/rugged/utils/SpacecraftToObservedBody.java
+++ b/core/src/main/java/org/orekit/rugged/utils/SpacecraftToObservedBody.java
@@ -164,6 +164,20 @@ public class SpacecraftToObservedBody {
         }
     }
 
+    /** Get the start of search time span.
+     * @return start of search time span
+     */
+    public AbsoluteDate getMinDate() {
+        return minDate;
+    }
+
+    /** Get the end of search time span.
+     * @return end of search time span
+     */
+    public AbsoluteDate getMaxDate() {
+        return maxDate;
+    }
+
     /** Get transform from spacecraft to inertial frame.
      * @param date date of the transform
      * @return transform from spacecraft to inertial frame