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Rhea (muin)

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Rhea
Cassini mosaic o Rhea
Discovery
Discovered biG. D. Cassini[1]
Discovery dateDecember 23, 1672[1]
Designations
Saturn V
AdjectivesRhean
Orbital chairactereestics[2]
527108 km
Eccentricity0.0012583
4.518212 d
8.48 km/s[a]
Inclination0.345° (tae Saturn's equator)
Satellite oSaturn
Pheesical chairacteristics
Dimensions1532.4 × 1525.6 × 1524.4 km [3]
Mean radius
763.8±1.0 km[3]
Surface area
7337000 km2
Mass(2.306518±0.000353)×1021 kg[4] (~3.9×104 Yirds)
Mean density
1.236±0.005 g/cm³[3]
0.265 m/s²
0.635 km/s
4.518212 d
(synchronous)
zero
Albedo0.949±0.003 (geometric) [5]
Surface temp. min mean max
Kelvin 53 K   99 K
10 [6]

Rhea (Ancient Greek: Ῥέᾱ) is the seicont-lairgest muin o Saturn an the nint-lairgest muin in the Solar Seestem.

  1. Calculatit on the basis o ither parameters.

References

[eedit | eedit soorce]
  1. a b Rhea: Saturn's dirty snowball moon
  2. Natural Satellites Ephemeris Service Minor Planet Center
  3. a b c Roatsch, T.; Jaumann, R.; Stephan, K.; Thomas, P. C. (2009). "Cartographic Mapping of the Icy Satellites Using ISS and VIMS Data". Saturn from Cassini-Huygens. pp. 763–781. doi:10.1007/978-1-4020-9217-6_24. ISBN 978-1-4020-9216-9.
  4. Jacobson, R. A.; Antreasian, P. G.; Bordi, J. J.; Criddle, K. E.; Ionasescu, R.; Jones, J. B.; Mackenzie, R. A.; Meek, M. C.; Parcher, D.; Pelletier, F. J.; Owen, Jr., W. M.; Roth, D. C.; Roundhill, I. M.; Stauch, J. R. (December 2006). "The Gravity Field of the Saturnian System from Satellite Observations and Spacecraft Tracking Data". The Astronomical Journal. 132 (6): 2520–2526. Bibcode:2006AJ....132.2520J. doi:10.1086/508812.
  5. Verbiscer, A.; French, R.; Showalter, M.; Helfenstein, P. (9 Februar 2007). "Enceladus: Cosmic Graffiti Artist Caught in the Act". Science. 315 (5813): 815. Bibcode:2007Sci...315..815V. doi:10.1126/science.1134681. PMID 17289992. Retrieved 20 December 2011. (supporting online material, table S1)
  6. Observatorio ARVAL (15 Apryle 2007). "Classic Satellites of the Solar System". Observatorio ARVAL. Archived frae the original on 22 October 2013. Retrieved 17 December 2011.