From c1adf64c1aaecd5a2b9d532d707ef35971f1aa18 Mon Sep 17 00:00:00 2001
From: Jon Santmyer <jon@jonsantmyer.com>
Date: Thu, 7 May 2026 08:50:05 -0400
Subject: begin work on body info window

---
 src/solar_system/orbit.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/solar_system/orbit.rs')

diff --git a/src/solar_system/orbit.rs b/src/solar_system/orbit.rs
index 461de7b..1800127 100644
--- a/src/solar_system/orbit.rs
+++ b/src/solar_system/orbit.rs
@@ -65,7 +65,7 @@ impl StaticOrbit
 
     pub fn calculate_position_at(
         &self,
-        this_body: &OrbitalBody,
+        sgp: f64,
         time: Second)
     -> cgmath::Vector3<f64>
     {
@@ -75,7 +75,7 @@ impl StaticOrbit
         let arg_periaps = self.long_periapsis - long_asc_node;
 
         let sma_cubed = self.semi_major_axis.powf(3.0);   
-        let mean_motion = (this_body.sgp() / sma_cubed).sqrt();
+        let mean_motion = (sgp / sma_cubed).sqrt();
 
         let mean_anomaly_epoch = self.mean_long - self.long_periapsis;
         let mean_anomaly = mean_anomaly_epoch + (mean_motion * time as f64);
-- 
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