Main Page | See live article | Alphabetical index In Greek mythology, Telesto (alternate: Telestho, both meaning "success") was a daughter of Oceanus and Tethys. Telesto is a moon of Saturn, discovered by Smith, Reitsema, Larson and Fountain in 1980 from ground-based observations. It is co-orbital with Tethys, residing in Tethys' leading Lagrangian point (L4). The moon Calypso resides in Tethys' trailing Lagrangian point. Orbital radius: 294,660 km Diameter: 29 km (34 x 28 x 36) Mass: Unknown Orbital inclination: 0° Orbital period: 1.8878 days This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.