Final exam version with mass and speed

UML_objects_end.puml

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+@startuml
+object system {
+    paused = True/False
+    show_orbits = True/False
+}
+
+object star1 {
+    name = Star 1
+    x = current_x
+    y = current_y
+    mass = 1.989e30
+}
+
+object star2 {
+    name = Star 2
+    x = current_x
+    y = current_y
+    mass = 1.750e30
+}
+
+object planet1_end {
+    orbit_number = 1
+    angle = changed_angle
+    x = current_x
+    y = current_y
+    direction = 1
+    angular_speed = 0.0097
+    linear_speed = angular_speed * orbit_radius
+}
+
+object planet2_end {
+    orbit_number = 2
+    angle = changed_angle
+    x = current_x
+    y = current_y
+    direction = -1
+    angular_speed = 0.0104
+    linear_speed = angular_speed * orbit_radius
+}
+
+system -- star1
+system -- star2
+star1 -- planet1_end
+star2 -- planet2_end
+@enduml