Telesto

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Telesto

(təlĕs`tō), in astronomy, one of the named moons, or natural satellites, of SaturnSaturn,
in astronomy, 6th planet from the sun. Astronomical and Physical Characteristics of Saturn

Saturn's orbit lies between those of Jupiter and Uranus; its mean distance from the sun is c.886 million mi (1.
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. Also known as Saturn XIII (or S13), Telesto is an irregularly shaped (nonspherical) body measuring about 21 mi (34 km) by 17 mi (28 km) by 16 mi (26 km); it orbits Saturn at a mean distance of 183,093 mi (294,660 km) and has an orbital period of 1.8878 earth days—the rotational period is unknown but is assumed to be the same as the orbital period. It was discovered by Bradford A. Smith, Harold J. Reitsema, Stephen M. Larson, and John W. Fountain at the Univ of Arizona in 1980 from ground-based observations. Telesto is co-orbital with two other moons, CalypsoCalypso,
in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn XIV (or S14), Calypso is a small, irregularly shaped (nonspherical) body measuring about 21 mi (34 km) by 13.5 mi (22 km) by 13.
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 and TethysTethys
, in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn III (or S3), Tethys is 659 mi (1060 km) in diameter, orbits Saturn at a mean distance of 183,093 mi (294,660 km), and has equal orbital and rotational periods of 1.
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; that is, they orbit Saturn at the same distance. Telesto and Calypso are two of the smallest moons in the solar system.

Telesto

(tĕ-less -toh) A small irregularly shaped satellite of Saturn, discovered in 1981 from groundbased observations made in 1980. It is a coorbital satellite with Calypso and Tethys. See Table 2, backmatter.

Telesto

[te′les·tō] (astronomy) A small, irregularly shaped satellite of Saturn that librates about the trailing Lagrangian point of Tethys's orbit.