Somewhere in the raw image above, perhaps the tiny dot in the lower right, may be Polydeuces, a tiny moon discovered by Cassini-Huygens and announced on February 24, 2005 with the following from a mission news report:

“Another discovery was a tiny moon, about 5 kilometers (3 miles) across, recently named Polydeuces. Polydeuces is a companion, or “Trojan” moon of Dione. Trojan moons are found near gravitationally stable points ahead or behind a larger moon. Saturn is the only planet known to have moons with companion Trojan moons.”

There is currently no scheduled flyby of this moon but because of its position near Dione, Polydeuces will likely be captured by Cassini’s cameras at some point during the mission.

More Information

• Cassini-Huygens Website
  • Saturn’s Moons section
  • Polydeuces Information

Table of Contents

• Introduction
• Pan
• Atlas
• Prometheus
• Pandora
• Janus
• Epimetheus
• Mimas
• Pallene and Methone
• Enceladus
• Telesto
• Tethys
• Calypso
• Helene
• Dione
• Polydeuces
• Rhea
• Titan
• Hyperion
• Iapetus
• Phoebe

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