Tethys (muin)

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Tethys
PIA18317-SaturnMoon-Tethys-Cassini-20150411.jpg
Tethys as imaged bi Cassini on 11 Aprile 2015
Discovery
Discovered bi G. D. Cassini
Discovery date Mairch 21, 1684
Designations
Saturn III
Adjectives Tethyan
Orbital chairactereestics
294619 km
Eccentricity 0.0001[1]
1.887802 d[2]
11.35 km/s
Inclination 1.12° (tae Saturn's equator)
Satellite o Saturn
Pheesical chairacteristics
Dimensions 1076.8 × 1057.4 × 1052.6 km[3]
Mean radius
531.1±0.6 km (0.083 Earths)[3]
Mass (6.17449±0.00132)×1020 kg[4] (1.03×104 Yirds)
Mean density
0.984±0.003 g/cm³[3]
0.147 m/s²[lower-alpha 1]
0.394 km/s[lower-alpha 2]
synchronous[5]
zero
Albedo
  • 1.229±0.005 (geometric)[6]
  • 0.80±0.15 (bond)[7]
  • 0.67±0.11 (bolometric bond)[8]
Temperatur 86±1 K[9]
10.2[10]

Tethys (or Saturn III) is a mid-sized muin o Saturn aboot 1,060 km (660 mi) athort.

Notes[eedit | eedit soorce]

  1. Surface gravity derived frae the mass m, the gravitational constant G an the radius r : .
  2. Escape velocity derived frae the mass m, the gravitational constant G an the radius r : 2Gm/r.

References[eedit | eedit soorce]

  1. Jacobson 2010 SAT339.
  2. Williams D. R. (22 February 2011). "Saturnian Satellite Fact Sheet". NASA. Archived frae the oreeginal on 12 July 2014. Retrieved 16 September 2014. 
  3. 3.0 3.1 3.2 Roatsch Jaumann et al. 2009, p. 765, Tables 24.1–2.
  4. Jacobson Antreasian et al. 2006.
  5. Jaumann Clark et al. 2009, p. 659.
  6. Verbiscer French et al. 2007.
  7. Jaumann Clark et al. 2009, p. 662, Table 20.4.
  8. Howett Spencer et al. 2010, p. 581, Table 7.
  9. Stone & Miner 1982.
  10. Observatorio ARVAL.