Adrastea (muin)

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Eemage o Adrastea taken bi Galileo spacecraft atween November 1996 an Juin 1997
Discovered bi
Discovery date 8 Julie 1979
Adjectives Adrastean
Orbital chairactereestics
Mean orbit radius
129000 km[1][2]
Eccentricity 0.0015[1][2]
0.29826 d
(7 h, 9.5 min)[1][2]
31.378 km/s[lower-alpha 1]
Inclination 0.03°
(tae Jupiter's equator)[1][2]
Satellite o Jupiter
Pheesical chairacteristics
Dimensions 20 × 16 × 14 km[3]
Mean radius
8.2±2.0 km[3]
Vollum ≈ 2345 km3[lower-alpha 1]
Albedo 0.10±0.045[3]
Temperatur ≈ 122 K

Adrastea (Greek: Αδράστεια), an aa kent as Jupiter XV, is the seicont bi distance, an the smawest o the fower inner muins o Jupiter. It wis discovered in photographs taken bi Voyager 2 in 1979, makkin it the first naitural satellite tae be discovered frae eemages taken bi an interplanetary spacecraft, rather nor throu a telescope.[4] It wis offeecially named efter the meethological Adrasteia, foster mither o the Greek god Zeus—the equivalent o the Roman god Jupiter.[5]

Notes[eedit | eedit soorce]

  1. 1.0 1.1 Calculatit on the basis o ither parameters.

References[eedit | eedit soorce]

Citit soorces

  • Evans, M. W.; Porco, C. C.; Hamilton, D. P. (September 2002). "The Orbits of Metis and Adrastea: The Origin and Significance of their Inclinations". Bulletin of the American Astronomical Society. 34: 883. Bibcode:2002DPS....34.2403E. 
  • Burns, Joseph A.; Simonelli, Damon P.; Showalter, Mark R.; Hamilton, Douglas P.; Porco, Carolyn C.; Throop, Henry; Esposito, Larry W. (2004). "Jupiter's Ring-Moon System" (PDF). In Bagenal, Fran; Dowling, Timothy E.; McKinnon, William B. Jupiter: The Planet, Satellites and Magnetosphere. Cambridge University Press. pp. 241–262. ISBN 978-0-521-81808-7. 
  • Thomas, P. C.; Burns, J. A.; Rossier, L.; Simonelli, D.; Veverka, J.; Chapman, C. R.; Klaasen, K.; Johnson, T. V.; Belton, M. J. S.; Galileo Solid State Imaging Team (September 1998). "The Small Inner Satellites of Jupiter". Icarus. 135 (1): 360–371. Bibcode:1998Icar..135..360T. doi:10.1006/icar.1998.5976. 
  • Marsden, Brian G. (February 25, 1980). "Editorial Notice". IAU Circular. 3454. Archived frae the oreeginal on 2011-07-25. Retrieved 2012-03-28.  (discovery)
  • Marsden, Brian G. (September 30, 1983). "Satellites of Jupiter and Saturn". IAU Circular. 3872. Retrieved 2012-03-28.  (namin the muin)