CICLOPS: Cassini Imaging Central Laboratory for OPerationS
Collage of Saturn's smaller satellites (PIA01954)

This family portrait shows the smaller satellites of Saturn as viewed by Voyager 2 during its swing through the Saturnian system. The following chart corresponds to this composite photograph (distance from the planet increases from left to right) and lists names, standard numerical designations and approximate dimensions (radii where indicated) in kilometers:

Outer F-ring shepherd
radii: 120 X 100

Leading co-orbital
radii: 220 X 160

Trailing Tethys trojan
radius: 25

Outer A shepherd
radius: 20

Inner F-ring co-orbital
radii: 145 X 70

Trailing Tethys trojan
radii: 140 X 100

Leading Tethys trojan
radius: 30

Leading Dione trojan
radius: 30

These images have been scaled to show the satellites in true relative sizes. This set of small objects ranges in size from small asteroidal scales to nearly the size of Saturn's moon Mimas. They are probably fragments of somewhat larger bodies broken up during the bombardment period that followed accretion of the Saturnian system. Scientists believe they may be mostly icy bodies with a mixture of meteorite rock. They are somewhat less reflective than the larger satellites, suggesting that thermal evolution of the larger moons "cleaned up" their icy surfaces.

The Voyager Project is managed for NASA by the Jet Propulsion Laboratory, Pasadena, Calif.

Acquired: August 1981
  Collage of Saturn's smaller satellites (PIA01954)
PIA 01954

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