diff --git a/propagation/perturbed_satellite_orbit.py b/propagation/perturbed_satellite_orbit.py
index 18e90c0..419c01b 100644
--- a/propagation/perturbed_satellite_orbit.py
+++ b/propagation/perturbed_satellite_orbit.py
@@ -53,7 +53,7 @@
 
 # Set simulation start and end epochs
 simulation_start_epoch = DateTime(2027, 1, 1).epoch()
-simulation_end_epoch = DateTime(2027, 1, 1).epoch()
+simulation_end_epoch = DateTime(2028, 1, 1).epoch()
 
 ## Environment setup
 """