Tethys

! colspan="2" style="background: #a0c0ff; text-align:center;" | Orbital characteristics ! colspan="2" style="background: #c0a5a0; text-align:center;" | Physical characteristics ! colspan="2" style="background: #d0a00c; text-align:center;" | Other
 * + Tethys
 * Orbital period || 178.4092 Terran days
 * Orbital axis || 88,386,025 km
 * Orbital axis || 88,386,025 km
 * Orbital axis || 88,386,025 km
 * Rotation period || 15 h 29 min
 * Mean diameter || 8593 km
 * Area Water Land || 232,000,000 km² 12,600,000 km² 219,400,000 km²
 * Surface gravity || 6.676 m/s²
 * Axial tilt || 2.95°
 * Temperature Min. Main Max. || 236 K 335 K 382 K
 * Atmospheric pressure (at MSL) || 1,134 mbar
 * Surface gravity || 6.676 m/s²
 * Axial tilt || 2.95°
 * Temperature Min. Main Max. || 236 K 335 K 382 K
 * Atmospheric pressure (at MSL) || 1,134 mbar
 * Temperature Min. Main Max. || 236 K 335 K 382 K
 * Atmospheric pressure (at MSL) || 1,134 mbar
 * Atmospheric pressure (at MSL) || 1,134 mbar
 * Inhabitants Density || 0 (as of July 2006) 0
 * Countries || none recognized (according to UN)
 * }
 * Countries || none recognized (according to UN)
 * }

Tethys is a planet in the Saturnian system. Its polar regions are inhabitable.

Natural satellites
Tethys has two natural satellites.

Telesto

 * Mass: 11/1,000,000 *Tethys
 * Mean diameter: 193 km
 * Semi-major axis: 94 398 km
 * Eccentricity: 0.042

Calypso

 * Mass: 5/1,000,000 *Tethys
 * Mean diameter: 153 km
 * Semi-major axis: 123 696 km
 * Eccentricity: 0.134