BY-MSY
    BY-MSY - Star
BY-MSY I
    BY-MSY I - Ice Field 1
    BY-MSY I - Moon 1
BY-MSY II
    BY-MSY II - Asteroid Belt 1
    BY-MSY II - Moon 1
BY-MSY III
    BY-MSY III - Asteroid Belt 1
    BY-MSY III - Moon 1
    BY-MSY III - Moon 2
    BY-MSY III - Moon 3
BY-MSY IV
    BY-MSY IV - Moon 1
    BY-MSY IV - Moon 2
BY-MSY V
    BY-MSY V - Asteroid Belt 1
    BY-MSY V - Asteroid Belt 2
    BY-MSY V - Asteroid Belt 3
    BY-MSY V - Asteroid Belt 4
    BY-MSY V - Asteroid Belt 5
    BY-MSY V - Asteroid Belt 6
    BY-MSY V - Asteroid Belt 7
    BY-MSY V - Asteroid Belt 8
    BY-MSY V - Moon 1
    BY-MSY V - Moon 2
    BY-MSY V - Moon 3
    BY-MSY V - Moon 4
    BY-MSY V - Moon 5
    BY-MSY V - Moon 6
    BY-MSY V - Moon 7
    BY-MSY V - Moon 8
    BY-MSY V - Moon 9
BY-MSY VI
    BY-MSY VI - Asteroid Belt 1
    BY-MSY VI - Asteroid Belt 2
    BY-MSY VI - Moon 1
    BY-MSY VI - Moon 10
    BY-MSY VI - Moon 11
    BY-MSY VI - Moon 12
    BY-MSY VI - Moon 13
    BY-MSY VI - Moon 14
    BY-MSY VI - Moon 15
    BY-MSY VI - Moon 16
    BY-MSY VI - Moon 17
    BY-MSY VI - Moon 2
    BY-MSY VI - Moon 3
    BY-MSY VI - Moon 4
    BY-MSY VI - Moon 5
    BY-MSY VI - Moon 6
    BY-MSY VI - Moon 7
    BY-MSY VI - Moon 8
    BY-MSY VI - Moon 9
BY-MSY VII
    BY-MSY VII - Asteroid Belt 1
    BY-MSY VII - Asteroid Belt 2
    BY-MSY VII - Asteroid Belt 3
    BY-MSY VII - Asteroid Belt 4
    BY-MSY VII - Moon 1
    BY-MSY VII - Moon 10
    BY-MSY VII - Moon 2
    BY-MSY VII - Moon 3
    BY-MSY VII - Moon 4
    BY-MSY VII - Moon 5
    BY-MSY VII - Moon 6
    BY-MSY VII - Moon 7
    BY-MSY VII - Moon 8
    BY-MSY VII - Moon 9