When was the moon Telesto discovered?
Ground-based observations in 1980 revealed a faint point of light near Saturn. Smith, Reitsema, Larson and Fountain identified this object as a new moon orbiting the ringed planet.
Questions about Telesto (moon)
Short answers, pulled from the story.
Who officially named the satellite Telesto after Greek mythology?
Astronomers officially named the satellite after Telesto from Greek mythology in 1983. The name reflects the tradition of naming Saturn's moons after figures associated with the Titans.
What is the orbital relationship between Telesto and Tethys?
Telesto shares an orbit with Tethys at the leading Lagrangian point ahead of it. Seidelmann et al. first identified this co-orbital relationship in 1981.
How did the Cassini probe observe the surface of Telesto on October 2005?
The Cassini probe performed a distant flyby of Telesto on the 11th of October 2005. Images returned from this encounter provided the clearest view of the satellite's smooth surface lacking small impact craters.