Little is known about the tiny moon Helene other than its size (32 kilometers, or 20 miles) and its status as a Trojan moon of Dione (along with Polydeuces). All three moons share an orbit, but Helene lies 60 degrees ahead of Dione and Polydeuces lies 60 degrees behind Dione.
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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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