CICLOPS: Cassini Imaging Central Laboratory for OPerationS
Janus and Rings

Janus and Rings
PIA 06552

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  From beneath the ringplane, the small, irregularly-shaped moon Janus (179 kilometers, 111 miles across) can be seen following the orbital path it shares with slightly smaller Epimetheus (113 kilometers, 70 miles across).

The image was taken in visible red light with the narrow angle camera on November 18, 2004 from a distance of approximately 4.7 million kilometers (2.9 million miles) from Saturn. The image scale is 27 kilometers (17 miles) per pixel.

The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Cassini-Huygens mission for NASA's Science Mission Directorate, Washington, D.C. The imaging team consists of scientists from the US, England, France, and Germany. The imaging operations center and team lead (Dr. C. Porco) are based at the Space Science Institute in Boulder, Colo.

For more information about the Cassini-Huygens mission, visit and the Cassini imaging team home page,

Credit: NASA/JPL/Space Science Institute
Released: January 3, 2005 (PIA 06552)
Image/Caption Information