diff --git a/README.md b/README.md
index 9636d4c..63fb26d 100644
--- a/README.md
+++ b/README.md
@@ -41,7 +41,7 @@ make clean-all    # Clean everything including raylib
 
 ```bash
 ./orbit_sim       # Run with the default solar system configuration
-./orbit_sim configs/example_binary_star.txt    # Run with a custom configuration file:
+./orbit_sim configs/example_binary_star.toml    # Run with a custom configuration file:
 ```
 
 ## Controls
diff --git a/configs/example_binary_star.toml b/configs/example_binary_star.toml
index 9b80c8a..45760f1 100644
--- a/configs/example_binary_star.toml
+++ b/configs/example_binary_star.toml
@@ -1,62 +1,62 @@
 # Binary Star System with Planets
 # A simple example of two stars orbiting each other with planets around them
 
-[bodies.stara]
+[[bodies]]
 name = "StarA"
 mass = 1.5e30
 radius = 8.0e8
-position = { x = 3.0e11, y = 0, z = 0 }
+position = { x = 3.0e11, y = 0.0, z = 0.0 }
 parent_index = -1
 color = { r = 1.0, g = 1.0, b = 0.2 }
-eccentricity = 0
-semi_major_axis = 0
+eccentricity = 0.0
+semi_major_axis = 0.0
 
-[bodies.starb]
+[[bodies]]
 name = "StarB"
 mass = 1.2e30
 radius = 7.0e8
-position = { x = -3.7e11, y = 0, z = 0 }
+position = { x = -3.7e11, y = 0.0, z = 0.0 }
 parent_index = -1
 color = { r = 0.3, g = 0.5, b = 1.0 }
-eccentricity = 0
-semi_major_axis = 0
+eccentricity = 0.0
+semi_major_axis = 0.0
 
-[bodies.planeta1]
+[[bodies]]
 name = "PlanetA1"
 mass = 6.0e24
 radius = 7.0e6
-position = { x = 3.5e11, y = 0, z = 0 }
+position = { x = 3.5e11, y = 0.0, z = 0.0 }
 parent_index = 0
 color = { r = 0.8, g = 0.3, b = 0.2 }
-eccentricity = 0
+eccentricity = 0.0
 semi_major_axis = 3.5e11
 
-[bodies.planetb1]
+[[bodies]]
 name = "PlanetB1"
 mass = 4.0e24
 radius = 6.0e6
-position = { x = -4.2e11, y = 0, z = 0 }
+position = { x = -4.2e11, y = 0.0, z = 0.0 }
 parent_index = 1
 color = { r = 0.2, g = 0.8, b = 0.6 }
-eccentricity = 0
+eccentricity = 0.0
 semi_major_axis = 4.2e11
 
-[bodies.moona1]
+[[bodies]]
 name = "MoonA1"
 mass = 1.0e23
 radius = 2.0e6
-position = { x = 3.52e11, y = 0, z = 0 }
+position = { x = 3.52e11, y = 0.0, z = 0.0 }
 parent_index = 2
 color = { r = 0.7, g = 0.7, b = 0.7 }
-eccentricity = 0
+eccentricity = 0.0
 semi_major_axis = 3.52e11
 
-[bodies.planeta2]
+[[bodies]]
 name = "PlanetA2"
 mass = 8.0e24
 radius = 8.0e6
-position = { x = 4.0e11, y = 0, z = 0 }
+position = { x = 4.0e11, y = 0.0, z = 0.0 }
 parent_index = 0
 color = { r = 0.5, g = 0.6, b = 0.3 }
-eccentricity = 0
-semi_major_axis = 4.0e11
\ No newline at end of file
+eccentricity = 0.0
+semi_major_axis = 4.0e11
diff --git a/configs/solar_system.toml b/configs/solar_system.toml
index 7492167..b3092fe 100644
--- a/configs/solar_system.toml
+++ b/configs/solar_system.toml
@@ -10,15 +10,6 @@ color = { r = 1.0, g = 1.0, b = 0.0 }
 eccentricity = 0.0
 semi_major_axis = 0.0
 
-name = "Venus"
-mass = 4.867e24
-radius = 6.0518e6
-position = { x = 1.082e11, y = 0.0, z = 0.0 }
-parent_index = 0
-color = { r = 0.9, g = 0.7, b = 0.3 }
-eccentricity = 0.0
-semi_major_axis = 1.082e11
-
 [[bodies]]
 name = "Venus"
 mass = 4.867e24
@@ -147,4 +138,4 @@ position = { x = 1.556e12, y = 0.0, z = 0.0 }
 parent_index = 6
 color = { r = 0.9, g = 0.6, b = 0.3 }
 eccentricity = 0.0
-semi_major_axis = 1.556e12
\ No newline at end of file
+semi_major_axis = 1.556e12
diff --git a/tests/configs/earth_circular.txt b/tests/configs/earth_circular.txt
deleted file mode 100644
index 4c08845..0000000
--- a/tests/configs/earth_circular.txt
+++ /dev/null
@@ -1,11 +0,0 @@
-# Test Configuration: Sun + Earth (circular orbit)
-# Earth at 1 AU with circular orbit
-# Expected orbital period: ~365 days
-#
-# Format: name mass(kg) radius(m) x(m) y(m) z(m) parent_index r g b eccentricity semi_major_axis(m)
-
-# Sun at origin (index 0)
-Sun 1.989e30 6.96e8 0 0 0 -1 1.0 1.0 0.0 0 0
-
-# Earth at 1 AU - circular orbit (index 1, parent Sun)
-Earth 5.972e24 6.371e6 1.496e11 0 0 0 0.0 0.5 1.0 0 1.496e11
diff --git a/tests/configs/mars_circular.txt b/tests/configs/mars_circular.txt
deleted file mode 100644
index e09492d..0000000
--- a/tests/configs/mars_circular.txt
+++ /dev/null
@@ -1,11 +0,0 @@
-# Test Configuration: Sun + Mars (circular orbit)
-# Mars at 1.5 AU with circular orbit
-# Expected orbital period: ~687 days
-#
-# Format: name mass(kg) radius(m) x(m) y(m) z(m) parent_index r g b eccentricity semi_major_axis(m)
-
-# Sun at origin (index 0)
-Sun 1.989e30 6.96e8 0 0 0 -1 1.0 1.0 0.0 0 0
-
-# Mars at 1.5 AU - circular orbit (index 1, parent Sun)
-Mars 6.39e23 3.3895e6 2.244e11 0 0 0 0.8 0.3 0.1 0 2.244e11