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Epimetheus is a small moon of Saturn that orbits very close to the planet. It's notable for having an unusual orbital relationship with another nearby Saturnian moon called Janus, with which it periodically exchanges positions in space.
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Epimetheus /ɛpəˈmiːθiːəs/ is an inner satellite of Saturn. It is named after the mythological Epimetheus, brother of Prometheus.
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