A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
Discovery | |
---|---|
Discovered by | Scott S. Sheppard et al. |
Discovery date | 2003 |
Designations | |
Designation | Jupiter XLII |
Pronunciation | /θɛlkˈsɪnoʊ.iː/[1] |
Named after | Θελξινόη Thelxĭnoē |
S/2003 J 22 | |
Adjectives | Thelxinoean /ˌθɛlksɪnoʊˈiːən/ |
Orbital characteristics [2] | |
21162000 km | |
Eccentricity | 0.221 |
−628.1 days | |
194.0° | |
Inclination | 151.4° |
206.2° | |
179.8° | |
Satellite of | Jupiter |
Group | Ananke group |
Physical characteristics | |
Mean diameter | 2 km |
23.5 | |
Thelxinoe /θɛlkˈsɪnoʊ.iː/, also known as Jupiter XLII, is a natural satellite of Jupiter. It was discovered by a team of astronomers from the University of Hawaii led by Scott S. Sheppard in 2004 from pictures taken in 2003, and originally received the temporary designation S/2003 J 22.[3][4]
Thelxinoe is about 2 kilometres in diameter, and orbits Jupiter at an average distance of 20,454 Mm in 597.607 days, at an inclination of 151° to the ecliptic (153° to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.2685.
It was named in March 2005 after Thelxinoe, one of the four original Muses according to some Greek writers, and a daughter of Zeus (Jupiter) by Mnemosyne.[5]
Thelxinoe belongs to the Ananke group, retrograde irregular moons that orbit Jupiter between 19.3 and 22.7 Gm, at inclinations of roughly 150°.
References
- ^ Noah Webster (1884) A Practical Dictionary of the English Language
- ^ S.S. Sheppard (2019), Moons of Jupiter, Carnegie Science, on line
- ^ Daniel W. E. Green (January 25, 2004). "IAUC 8276: S/2003 J 22". International Astronomical Union.
- ^ Brian G. Marsden (January 24, 2004). "MPEC 2004-B41: S/2003 J 22". International Astronomical Union Minor Planet Center.
- ^ Daniel W. E. Green (March 30, 2005). "IAUC 8502: Satellites of Jupiter". International Astronomical Union.
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