IO-R2S
    IO-R2S - Star
IO-R2S I
IO-R2S II
    IO-R2S II - Asteroid Belt 1
IO-R2S III
IO-R2S IV
    IO-R2S IV - Moon 1
IO-R2S IX
    IO-R2S IX - Asteroid Belt 1
    IO-R2S IX - Asteroid Belt 2
    IO-R2S IX - Asteroid Belt 3
    IO-R2S IX - Asteroid Belt 4
    IO-R2S IX - Moon 1
    IO-R2S IX - Moon 10
    IO-R2S IX - Moon 11
    IO-R2S IX - Moon 12
    IO-R2S IX - Moon 2
    IO-R2S IX - Moon 3
    IO-R2S IX - Moon 4
    IO-R2S IX - Moon 5
    IO-R2S IX - Moon 6
    IO-R2S IX - Moon 7
    IO-R2S IX - Moon 8
    IO-R2S IX - Moon 9
IO-R2S V
    IO-R2S V - Asteroid Belt 1
    IO-R2S V - Moon 1
IO-R2S VI
    IO-R2S VI - Moon 1
IO-R2S VII
    IO-R2S VII - Asteroid Belt 1
    IO-R2S VII - Moon 1
    IO-R2S VII - Moon 10
    IO-R2S VII - Moon 11
    IO-R2S VII - Moon 12
    IO-R2S VII - Moon 13
    IO-R2S VII - Moon 14
    IO-R2S VII - Moon 15
    IO-R2S VII - Moon 16
    IO-R2S VII - Moon 2
    IO-R2S VII - Moon 3
    IO-R2S VII - Moon 4
    IO-R2S VII - Moon 5
    IO-R2S VII - Moon 6
    IO-R2S VII - Moon 7
    IO-R2S VII - Moon 8
    IO-R2S VII - Moon 9
IO-R2S VIII
    IO-R2S VIII - Moon 1
    IO-R2S VIII - Moon 2
    IO-R2S VIII - Moon 3
    IO-R2S VIII - Moon 4
    IO-R2S VIII - Moon 5
    IO-R2S VIII - Moon 6
IO-R2S X
    IO-R2S X - Asteroid Belt 1
    IO-R2S X - Asteroid Belt 2
    IO-R2S X - Moon 1
    IO-R2S X - Moon 2
    IO-R2S X - Moon 3
    IO-R2S X - Moon 4
IO-R2S XI
    IO-R2S XI - Asteroid Belt 1
    IO-R2S XI - Moon 1
    IO-R2S XI - Moon 2
    IO-R2S XI - Moon 3