Update Nbody/plotOrbit.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: The9Cat

Nbody/plotOrbit.py

@@ -49,7 +49,7 @@ def plot_orbit(positions, title="Orbital Trajectory", save_path=None):
     pos = []
     pos.append(data[:, 1:4])    # First object positions
     pos.append(data[:, 7:10])   # Second object positions
-    pos.append(data[:, 13:17])  # Third object positions
+    pos.append(data[:, 13:16])  # Third object positions
     pos.append(data[:, 19:22])  # Fourth object positions
     pos.append(data[:, 25:28])  # Fifth object positions