diff --git a/Assets/Prefabs/Astronaut.prefab b/Assets/Prefabs/Astronaut.prefab
index dd5900a..6bbf479 100644
--- a/Assets/Prefabs/Astronaut.prefab
+++ b/Assets/Prefabs/Astronaut.prefab
@@ -57,8 +57,9 @@ GameObject:
   - 4: {fileID: 403646}
   - 114: {fileID: 11494368}
   - 114: {fileID: 11434752}
-  - 54: {fileID: 5402556}
   - 136: {fileID: 13683032}
+  - 54: {fileID: 5462614}
+  - 136: {fileID: 13672180}
   m_Layer: 0
   m_Name: Character
   m_TagString: Player
@@ -117,7 +118,7 @@ Transform:
   - {fileID: 403646}
   m_Father: {fileID: 0}
   m_RootOrder: 0
---- !u!54 &5402556
+--- !u!54 &5462614
 Rigidbody:
   m_ObjectHideFlags: 1
   m_PrefabParentObject: {fileID: 0}
@@ -130,7 +131,7 @@ Rigidbody:
   m_UseGravity: 0
   m_IsKinematic: 0
   m_Interpolate: 0
-  m_Constraints: 0
+  m_Constraints: 120
   m_CollisionDetection: 0
 --- !u!114 &11434752
 MonoBehaviour:
@@ -164,7 +165,21 @@ MonoBehaviour:
   JumpSpeed: 5
   Gravity: 15
   Speed: 5
+  EjectSpeed: 20
   planet: {fileID: 0}
+--- !u!136 &13672180
+CapsuleCollider:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 170392}
+  m_Material: {fileID: 0}
+  m_IsTrigger: 0
+  m_Enabled: 1
+  m_Radius: 0.77
+  m_Height: 3.37
+  m_Direction: 1
+  m_Center: {x: -0.03, y: 0.35, z: 0}
 --- !u!136 &13683032
 CapsuleCollider:
   m_ObjectHideFlags: 1
diff --git a/Assets/Scripts/Asteroid.cs b/Assets/Scripts/Asteroid.cs
index ad160d6..d890389 100644
--- a/Assets/Scripts/Asteroid.cs
+++ b/Assets/Scripts/Asteroid.cs
@@ -14,15 +14,13 @@ public class Asteroid : MonoBehaviour
     public void Start()
     {
         speed = Random.Range(1.8F, 3F);
-        // print(speed);
         center = new Vector3(0, 0);
-
-
+		
         if (RandomRotationSpeed)
-            rotationSpeed =  10 * UnityEngine.Random.Range(0.25f, 5f);
-
-        rotationDirection = (Mathf.Floor(UnityEngine.Random.Range(0.0f, 1.99f))*2 - 1);
-
+            rotationSpeed =  10 * UnityEngine.Random.Range(0.25f, 5f);
+		
+		rotationDirection = (Mathf.Floor(UnityEngine.Random.Range(0.0f, 1.99f)) * 2 - 1); 
+		
     }
 
     // Update is called once per frame
diff --git a/Assets/Scripts/AsteroidSpawner.cs b/Assets/Scripts/AsteroidSpawner.cs
index 567a2f7..7d6d89e 100644
--- a/Assets/Scripts/AsteroidSpawner.cs
+++ b/Assets/Scripts/AsteroidSpawner.cs
@@ -68,10 +68,11 @@ public class AsteroidSpawner : TimerFunctionsClass
                 var angle = ( 360.0f + (((playerTheta * 180)) / Mathf.PI)) % 360;  ///TODO : a changer pour p.theta
                 print("angle:" + angle);
 
-                var AsteroidType = Mathf.RoundToInt(Mathf.Floor(UnityEngine.Random.Range(0f, 3.999f)));
-
+                var AsteroidType = Mathf.RoundToInt(Mathf.Floor(UnityEngine.Random.Range(0f, 3.999f)));
+				float direction = (Mathf.Floor(UnityEngine.Random.Range(0.0f, 1.99f)) * 2 - 1); 
+		
                 Instantiate(AsteroidPrefabTypes[AsteroidType], 
-                            planet.GetPlanetCoordinatesFromPlayerXY(angle, UnityEngine.Random.Range(10f,15f)), 
+                            direction*planet.GetPlanetCoordinatesFromPlayerXY(angle, UnityEngine.Random.Range(10f,15f)), 
                             Quaternion.identity);
             }