PWPY-4
    PWPY-4 - Star
PWPY-4 I
    PWPY-4 I - Moon 1
PWPY-4 II
    PWPY-4 II - Asteroid Belt 1
    PWPY-4 II - Moon 1
PWPY-4 III
    PWPY-4 III - Asteroid Belt 1
    PWPY-4 III - Moon 1
    PWPY-4 III - Moon 2
    PWPY-4 III - Moon 3
    PWPY-4 III - Moon 4
PWPY-4 IV
    PWPY-4 IV - Asteroid Belt 1
    PWPY-4 IV - Asteroid Belt 2
    PWPY-4 IV - Moon 1
PWPY-4 V
    PWPY-4 V - Asteroid Belt 1
    PWPY-4 V - Asteroid Belt 2
    PWPY-4 V - Moon 1
    PWPY-4 V - Moon 10
    PWPY-4 V - Moon 11
    PWPY-4 V - Moon 12
    PWPY-4 V - Moon 13
    PWPY-4 V - Moon 14
    PWPY-4 V - Moon 2
    PWPY-4 V - Moon 3
    PWPY-4 V - Moon 4
    PWPY-4 V - Moon 5
    PWPY-4 V - Moon 6
    PWPY-4 V - Moon 7
    PWPY-4 V - Moon 8
    PWPY-4 V - Moon 9
PWPY-4 VI
    PWPY-4 VI - Moon 1
    PWPY-4 VI - Moon 2
    PWPY-4 VI - Moon 3