Thyone //, also known as Jupiter XXIX, is a retrograde irregular satellite of Jupiter. It was discovered by a team of astronomers from the University of Hawaii led by Scott S. Sheppard, et al. in 2001, and given the temporary designation S/2001 J 2.
Discovery images of Thyone by the Canada-France-Hawaii Telescope in December 2001
|Discovered by||Scott S. Sheppard et al.|
|Discovery site||Mauna Kea Obs.|
|Discovery date||11 December 2001|
|S/2001 J 2|
|Orbital characteristics |
Thyone is about 4 kilometres in diameter, and orbits Jupiter at an average distance of 21,605,000 kilometres in 639.803 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.
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°.
- 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
- 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)