diff --git a/assets/shaders/jupiters_rings.wgsl b/assets/shaders/jupiters_rings.wgsl
index fb035dc..5be2823 100644
--- a/assets/shaders/jupiters_rings.wgsl
+++ b/assets/shaders/jupiters_rings.wgsl
@@ -6,7 +6,7 @@
 @group(2) @binding(0) var<uniform> ring_radius: f32;
 @group(2) @binding(1) var<uniform> jupiter_radius: f32;
 
-const jupiter_radius_Mm: f32 = 71.492;
+const jupiter_radius_Mm: f32 = 69.911;
 const brightness = 0.025;
 
 fn smooth_edge(start: f32, end: f32, value: f32) -> f32 {