Mimas (muin)

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Mimas Cassini.jpg
Mimas wi its lairge crater Herschel. Ither bright-wawed craters include Ban juist left o centre near tap, an Percivale twa thirds o the way left o Herschel. (Cassini, 2010)
Discovered biWilliam Herschel
Discovery date17 September 1789[1]
Saturn I
AdjectivesMimantean, Mimantian
Orbital chairactereestics[2]
Periapsis181902 km
Apoapsis189176 km
185539 km
0.942 d
14.28 km/s (calculatit)
Inclination1.574° (tae Saturn's equator)
Satellite oSaturn
Pheesical chairacteristics
Dimensions415.6 × 393.4 × 381.2 km
(0.0311 Earths)[3]
Mean radius
198.2±0.4 km[3]
490000500000 km2
Vollum32600000±200000 km3
Mass(3.7493±0.0031)×1019 kg[4][5]
(6.3×106 Yirds)
Mean density
1.1479±0.007 g/cm³[3]
0.064 m/s2 (0.00648 g)
0.159 km/s
Albedo0.962±0.004 (geometric)[6]
Temperatur≈ 64 K
12.9 [7]

Mimas is a muin o Saturn which wis discovered in 1789 bi William Herschel.[8]

References[eedit | eedit soorce]

  1. "Imago Mundi: La Découverte des satellites de Saturne" (in French).
  2. Harvey, Samantha (April 11, 2007). "NASA: Solar System Exploration: Planets: Saturn: Moons: Mimas: Facts & Figures". NASA. Retrieved 2007-10-10.
  3. 3.0 3.1 3.2 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. Jacobson, R. A.; Spitale, J.; et al. (2005). "The GM values of Mimas and Tethys and the libration of Methone" (PDF). Astronomical Journal. 132 (2): 711–713. Bibcode:2006AJ....132..711J. doi:10.1086/505209.
  6. Verbiscer, A.; French, R.; Showalter, M.; Helfenstein, P. (9 February 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)
  7. Observatorio ARVAL (April 15, 2007). "Classic Satellites of the Solar System". Observatorio ARVAL. Retrieved 2011-12-17.
  8. Herschel, W. (1790). "Account of the Discovery of a Sixth and Seventh Satellite of the Planet Saturn; With Remarks on the Construction of Its Ring, Its Atmosphere, Its Rotation on an Axis, and Its Spheroidical Figure". Philosophical Transactions of the Royal Society of London. 80 (0): 1–20. doi:10.1098/rstl.1790.0001.