diff --git a/.gitignore b/.gitignore
index fb76bcd..1abc014 100644
--- a/.gitignore
+++ b/.gitignore
@@ -42,4 +42,6 @@ nosetests.xml
 *.lib
 punyverse/assets/textures/*_medium.*
 punyverse/assets/textures/*_small.*
+punyverse/assets/textures/*/*_medium.*
+punyverse/assets/textures/*/*_small.*
 temp
diff --git a/punyverse/assets/textures/moons/callisto.jpg b/punyverse/assets/textures/moons/callisto.jpg
new file mode 100644
index 0000000..d0e3059
Binary files /dev/null and b/punyverse/assets/textures/moons/callisto.jpg differ
diff --git a/punyverse/assets/textures/moons/europa.jpg b/punyverse/assets/textures/moons/europa.jpg
new file mode 100644
index 0000000..70db690
Binary files /dev/null and b/punyverse/assets/textures/moons/europa.jpg differ
diff --git a/punyverse/assets/textures/moons/ganymede.jpg b/punyverse/assets/textures/moons/ganymede.jpg
new file mode 100644
index 0000000..649c15c
Binary files /dev/null and b/punyverse/assets/textures/moons/ganymede.jpg differ
diff --git a/punyverse/assets/textures/moons/io.jpg b/punyverse/assets/textures/moons/io.jpg
new file mode 100644
index 0000000..3a71fb7
Binary files /dev/null and b/punyverse/assets/textures/moons/io.jpg differ
diff --git a/punyverse/gencheap.bat b/punyverse/gencheap.bat
index 2fea383..7802046 100644
--- a/punyverse/gencheap.bat
+++ b/punyverse/gencheap.bat
@@ -10,6 +10,9 @@ call :convert jupiter.jpg jupiter_medium.jpg 2048x1024
 call :convert jupiter.jpg jupiter_small.jpg 1024x512
 call :convert saturn.jpg saturn_medium.jpg 2048x1024
 call :convert saturn.jpg saturn_small.jpg 1024x512
+call :convert moons\io.jpg moons\io_small.jpg 1024x512
+call :convert moons\europa.jpg moons\europa_small.jpg 1024x512
+call :convert moons\ganymede.jpg moons\ganymede_small.jpg 1024x512
 goto :eof
 
 :convert
diff --git a/punyverse/world.json b/punyverse/world.json
index 4abca48..8baf004 100644
--- a/punyverse/world.json
+++ b/punyverse/world.json
@@ -68,7 +68,46 @@
       "mass": 1.8986e+27,
       "z": "5.2 * AU",
       "pitch": -90,
-      "yaw": 3.13
+      "yaw": 3.13,
+      "comment": "satellites here are 3/10 the virtual distance than physical, and five times the size",
+      "satellites": {
+        "io": {
+          "texture": ["moons/io.jpg", "moons/io_small.jpg", [0.62, 0.56, 0.35, 1]],
+          "radius": "1821.3 * 5",
+          "distance": 126510,
+          "sma": 421700,
+          "pitch": -90,
+          "inclination": 2.21,
+          "eccentricity": 0.0041
+        },
+        "europa": {
+          "texture": ["moons/europa.jpg", "moons/europa_small.jpg", [0.77, 0.74, 0.65, 1]],
+          "radius": "1560.8 * 5",
+          "distance": 201270,
+          "sma": 670900,
+          "pitch": -90,
+          "inclination": 2.71,
+          "eccentricity": 0.009
+        },
+        "ganymede": {
+          "texture": ["moons/ganymede.jpg", "moons/ganymede_small.jpg", [0.52, 0.47, 0.46, 1]],
+          "radius": "2634.1 * 5",
+          "distance": 321120,
+          "sma": 1070400,
+          "pitch": -90,
+          "inclination": 2.51,
+          "eccentricity": 0.0013
+        },
+        "callisto": {
+          "texture": ["moons/callisto.jpg", "moons/callisto_small.jpg", [0.49, 0.43, 0.34, 1]],
+          "radius": "2410.3 * 5",
+          "distance": 564810,
+          "sma": 1882700,
+          "pitch": -90,
+          "inclination": 0.192,
+          "eccentricity": 0.0074
+        }
+      }
     },
     "saturn": {
       "texture": ["saturn.jpg", "saturn_medium.jpg", "saturn_small.jpg", [0.9, 0.8, 0.64, 1]],
diff --git a/punyverse/world.py b/punyverse/world.py
index b4d3105..94f1813 100644
--- a/punyverse/world.py
+++ b/punyverse/world.py
@@ -91,10 +91,11 @@ def load_world(file):
                 cheap, skip, texture = get_best_texture(info['texture'], optional=info.get('optional', False))
                 if skip:
                     return
+                division = min(int(radius / 2), 100)
                 if cheap:
-                    object_id = compile(colourball, radius, int(radius / 2), int(radius / 2), texture)
+                    object_id = compile(colourball, radius, division, division, texture)
                 else:
-                    object_id = compile(sphere, radius, int(radius / 2), int(radius / 2), texture, lighting=lighting)
+                    object_id = compile(sphere, radius, division, division, texture, lighting=lighting)
             elif 'model' in info:
                 scale = info.get('scale', 1)
                 object_id = model_list(load_model(info['model']), info.get('sx', scale), info.get('sy', scale),
@@ -131,7 +132,8 @@ def load_world(file):
                 cloud_texture = atmosphere_data.get('cloud_texture', None)
                 cheap, _, cloud_texture = get_best_texture(cloud_texture)
                 if not cheap:
-                    cloudmap_id = compile(sphere, radius + 2, int(radius / 2), int(radius / 2), cloud_texture,
+                    division = min(int(radius / 2), 100)
+                    cloudmap_id = compile(sphere, radius + 2, division, division, cloud_texture,
                                           lighting=False)
                 cheap, _, atm_texture = get_best_texture(atm_texture)
                 if not cheap: