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'''Carpo''' (ou en grego ''Καρπώ''), tamén coñecida coma '''{{nowrap|Xúpiter XLVI}}''', e unha [[satélite natural|lúa]] de [[Xúpiter]]. It was discovered by a team of astronomers from the [[University of Hawaii]] led by [[Scott S. Sheppard]] in 2003, and was provisionally designated as '''{{nowrap|S/2003 J 20}}'''<ref>[http://cfa-www.harvard.edu/iauc/08100/08125.html IAUC 8125: ''S/2003 J 19 and S/2003 J 20''] 2003 April (discovery)</ref><ref>[http://cfa-www.harvard.edu/mpec/K03/K03G67.html MPEC 2003-G67: ''S/2003 J 20''] 2003 April (discovery and ephemeris)</ref> until it received its name in early 2005.<ref>[http://cfa-www.harvard.edu/iauc/08500/08502.html IAUC 8502: ''Satellites of Jupiter''] 2005 March (naming the moon)</ref>
'''Carpo''' (ou en grego ''Καρπώ''), tamén coñecida coma '''{{nowrap|Xúpiter XLVI}}''', e unha [[satélite natural|lúa]] de [[Xúpiter]]. Foi descuberta por un equipo de astrónomos da [[Universidade de Hawaii]] liderado por [[Scott S. Sheppard]] no ano [[2003]], e foi provisionalmente designada coma '''{{nowrap|S/2003 J 20}}'''<ref>[http://cfa-www.harvard.edu/iauc/08100/08125.html IAUC 8125: ''S/2003 J 19 and S/2003 J 20''] abril do 2003 (descubrimento)</ref><ref>[http://cfa-www.harvard.edu/mpec/K03/K03G67.html MPEC 2003-G67: ''S/2003 J 20''] abril do 2003 (descubrimento e efemérides)</ref> ata que recibiu o seu nome actual no ano [[2005]].<ref>[http://cfa-www.harvard.edu/iauc/08500/08502.html IAUC 8502: ''Satellites of Jupiter''] Marzo do 2005 (bautizando a lúa)</ref>


Carpo is about 3 kilometres in diameter, and orbits Jupiter at an average distance of 17,145 Mm in 458.625 days, at an [[inclination]] of 56° to the [[ecliptic]] (55° to Jupiter's equator), and with a high [[eccentricity (orbit)|eccentricity]] of 0.4316. All of the moons further from Jupiter than Carpo are [[retrograde motion|retrograde]].
Carpo ten uns 3 kms de diámetro, e órbita Xúpiter a unha distancia media de 17,145 Gm en 458,625 días, cunha [[inclinación orbital]] de 56° respecto da [eclíptica]] (55° respecto do ecuador de Xúpiter), e cunha [[excentricidade orbital]] de 0,4316. Tódalas lúas máis afastadas de Xúpiter ca Carpo son de [[movemento retrogrado]] .


It was named in March 2005 after [[Carpo]], one of the [[Horae]], and a daughter of [[Zeus]] (Jupiter).
Recibiu o seu nome oficial en marzo do [[2005]], [[Carpo (mitoloxía)|Carpo]] era unha das [[Horas]], e coma tal fillas de [[Zeus]] (Xúpiter).


Like [[Themisto (moon)|Themisto]], this moon seems to be the lone member of a unique class, which makes it particularly interesting. The orbital [[inclination]] of satellites such as this one is limited by the [[Kozai effect]], discovered by [[Yoshihide Kozai]] in 1962. This effect induces a periodic exchange between the inclination and [[eccentricity (orbit)|eccentricity]] of the orbit; if the inclination is large enough, the eccentricity can in turn grow so large that the [[periapsis]] of the satellite (called the ''perizene'' in the case of moons of Jupiter) would be in the immediate vicinity of the [[Galilean moon]]s (Io, Europa, Ganymede and Callisto). The satellite would eventually collide with one of these, or a close encounter would eject it altogether from the Jovian system. The periapsis precession period (P<sub>w</sub>) is 6.8 million years long.<ref name=JPL/>
Like [[Themisto (moon)|Themisto]], this moon seems to be the lone member of a unique class, which makes it particularly interesting. The orbital [[inclination]] of satellites such as this one is limited by the [[Kozai effect]], discovered by [[Yoshihide Kozai]] in 1962. This effect induces a periodic exchange between the inclination and [[eccentricity (orbit)|eccentricity]] of the orbit; if the inclination is large enough, the eccentricity can in turn grow so large that the [[periapsis]] of the satellite (called the ''perizene'' in the case of moons of Jupiter) would be in the immediate vicinity of the [[Galilean moon]]s (Io, Europa, Ganymede and Callisto). The satellite would eventually collide with one of these, or a close encounter would eject it altogether from the Jovian system. The periapsis precession period (P<sub>w</sub>) is 6.8 million years long.<ref name=JPL/>

Revisión como estaba o 19 de xullo de 2010 ás 23:32

Carpo
Descubrimento
Descuberta por Scott S. Sheppard e o seu equipo.
Descuberta no 2003
Características orbitais
Radio orbital medio 17,145 millóns de kms
Excentricidade 0,4316[1]
Inclinación 56° (respecto da eclíptica)
Periódo orbital 458,625 días
Satélite de Xúpiter
Características físicas
Radio medio ~1,5 km

Carpo (ou en grego Καρπώ), tamén coñecida coma Xúpiter XLVI, e unha lúa de Xúpiter. Foi descuberta por un equipo de astrónomos da Universidade de Hawaii liderado por Scott S. Sheppard no ano 2003, e foi provisionalmente designada coma S/2003 J 20[2][3] ata que recibiu o seu nome actual no ano 2005.[4]

Carpo ten uns 3 kms de diámetro, e órbita Xúpiter a unha distancia media de 17,145 Gm en 458,625 días, cunha inclinación orbital de 56° respecto da [eclíptica]] (55° respecto do ecuador de Xúpiter), e cunha excentricidade orbital de 0,4316. Tódalas lúas máis afastadas de Xúpiter ca Carpo son de movemento retrogrado .

Recibiu o seu nome oficial en marzo do 2005, Carpo era unha das Horas, e coma tal fillas de Zeus (Xúpiter).

Like Themisto, this moon seems to be the lone member of a unique class, which makes it particularly interesting. The orbital inclination of satellites such as this one is limited by the Kozai effect, discovered by Yoshihide Kozai in 1962. This effect induces a periodic exchange between the inclination and eccentricity of the orbit; if the inclination is large enough, the eccentricity can in turn grow so large that the periapsis of the satellite (called the perizene in the case of moons of Jupiter) would be in the immediate vicinity of the Galilean moons (Io, Europa, Ganymede and Callisto). The satellite would eventually collide with one of these, or a close encounter would eject it altogether from the Jovian system. The periapsis precession period (Pw) is 6.8 million years long.[1]

Referencias

  1. 1,0 1,1 Jacobson, R.A. (2006) JUP262 (28-06-2007). JPL/NASA, ed. "Planetary Satellite Mean Orbital Parameters". Consultado o 19-01-2008. 
  2. IAUC 8125: S/2003 J 19 and S/2003 J 20 abril do 2003 (descubrimento)
  3. MPEC 2003-G67: S/2003 J 20 abril do 2003 (descubrimento e efemérides)
  4. IAUC 8502: Satellites of Jupiter Marzo do 2005 (bautizando a lúa)

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