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1 References  














Thyone (moon)






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From Wikipedia, the free encyclopedia
 


Thyone
Discovery images of Thyone by the Canada-France-Hawaii Telescope in December 2001
Discovery[1]
Discovered byScott S. Sheppard et al.
Discovery siteMauna Kea Obs.
Discovery date11 December 2001
Designations

Designation

Jupiter XXIX
Pronunciation/θˈn/[2]

Named after

Θυώνη Thyōnē

Alternative names

S/2001 J 2
AdjectivesThyonean /ˌθəˈnən/[3]
Orbital characteristics[4]

Semi-major axis

20940000 km
Eccentricity0.229

Orbital period (sidereal)

−603.58 days[5]

Mean anomaly

26.6°
Inclination148.5°

Longitude of ascending node

243.0°

Argument of perihelion

89.1°
Satellite ofJupiter
GroupAnanke group
Physical characteristics

Mean diameter

4 km

Apparent magnitude

22.3

Thyone /θˈn/, also known as Jupiter XXIX, is a retrograde irregular satelliteofJupiter. It was discovered by a team of astronomers from the University of Hawaii led by Scott S. Sheppard in 2001, and given the temporary designation S/2001 J 2.[6][1]

Thyone is about 4 kilometres in diameter, and orbits Jupiter at an average distance of 21,605,000 kilometres in 603.58 days, at an inclination of 147.28° to the ecliptic (146.93° to Jupiter's equator) with an eccentricity of 0.2526. Its average orbital speed is 2.43 km/s.

It was named in August 2003 after Thyone, better known as Semele, mother of DionysusinGreek mythology.[7]

Thyone belongs to the Ananke group, retrograde irregular moons which orbit Jupiter between 19.3 and 22.7 million kilometres, at inclinations of roughly 150°.

Thyone imaged by the CFHT on 10 December 2001, one day before its discovery

References[edit]

  1. ^ a b MPEC 2002-J54: Eleven New Satellites of Jupiter 2002 May (discovery and ephemeris)
  • ^ Noah Webster (1884) A Practical Dictionary of the English Language
  • ^ E. R. Gregory (1989) Milton and the Muses, p. 50;
    Sidney Alexander (2016) The Complete Odes and Satires of Horace, p. 321
  • ^ S.S. Sheppard (2019), Moons of Jupiter, Carnegie Science, on line
  • ^ "M.P.C. 104798" (PDF). Minor Planet Circular. Minor Planet Center. 10 May 2017.
  • ^ IAUC 7900: Satellites of Jupiter 2002 May 16 (discovery)
  • ^ IAUC 8177: Satellites of Jupiter, Saturn, Uranus Archived 2008-07-09 at the Wayback Machine 2003 August (naming the moon)

  • Retrieved from "https://en.wikipedia.org/w/index.php?title=Thyone_(moon)&oldid=1218342897"

    Categories: 
    Ananke group
    Moons of Jupiter
    Discoveries by Scott S. Sheppard
    Irregular satellites
    Astronomical objects discovered in 2001
    Moons with a retrograde orbit
    Hidden categories: 
    Webarchive template wayback links
    Articles with short description
    Short description matches Wikidata
     



    This page was last edited on 11 April 2024, at 04:25 (UTC).

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