From 6a0bc5546251766715312fe50bb9596aafbf722b Mon Sep 17 00:00:00 2001
From: Alexander Bock <mail@alexanderbock.eu>
Date: Fri, 26 Sep 2025 22:05:44 +0200
Subject: [PATCH] Correctly calculate the period from mean motion for minor
 planet center orbits (closes #3804)

---
 modules/space/kepler.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/space/kepler.cpp b/modules/space/kepler.cpp
index b045e57d8c..5455c92dcc 100644
--- a/modules/space/kepler.cpp
+++ b/modules/space/kepler.cpp
@@ -848,7 +848,7 @@ std::vector<Parameters> readMpcFile(const std::filesystem::path& file) {
             argPeriapsis,
             meanAnomaly,
             epochFromYMDdSubstring(epochDate),
-            std::chrono::seconds(std::chrono::hours(24)).count() / meanMotion
+            (360.0 / meanMotion) * std::chrono::seconds(std::chrono::hours(24)).count()
         );
 
     }