Herse (moon) - Wiki slovník

Herse
Discovery
Discovered by	Brett J. Gladman; John J. Kavelaars; Jean-Marc Petit; Lynne Allen
Discovery date	2003
Designations
Designation	Jupiter L
Pronunciation	/ˈhɜːrsiː/
Named after	Ἕρση Hersē
Alternative names	S/2003 J 17
Adjectives	Hersean /hɜːrˈsiːən/
Orbital characteristics
Semi-major axis	23097000 km
Eccentricity	0.200
Orbital period (sidereal)	−715.4 days
Mean anomaly	41.90°
Inclination	164.2°
Longitude of ascending node	329.0°
Argument of perihelion	355.7°
Satellite of	Jupiter
Group	Carme group
Physical characteristics
Mean diameter	2 km
Apparent magnitude	23.4

Herse /ˈhɜːrsiː/, or Jupiter L, previously known by its provisional designation of S/2003 J 17, is a natural satellite of Jupiter. It was discovered on 8 February 2003 by the astronomers Brett J. Gladman, John J. Kavelaars, Jean-Marc Petit, and Lynne Allen and also by a team of astronomers at the University of Hawaii.^[2]^[3] It was named after Herse 'dew', by some accounts a daughter of Zeus and Selene the moon in Greek mythology,^[4] on 11 November 2009.^[5]^[6] Ersa (Jupiter LXXI) is also named for the same mythological figure.

Herse is about 2 kilometres in diameter, and orbits Jupiter at an average distance of 22,134,000 km in 672.752 days, at a mean inclination of 165° to the ecliptic, in a retrograde direction and with a mean eccentricity of 0.2493.^[7]

It is a member of the Carme group, made up of irregular retrograde moons orbiting Jupiter at a distance ranging between 23 and 24 Gm and at an inclination of about 165°.

References

^ S.S. Sheppard (2019), Moons of Jupiter, Carnegie Science, on line
^ Daniel W. E. Green, IAUC 8116: Satellites of Jupiter and Saturn 2003 April 11 (discovery)
^ Brian G. Marsden, MPEC 2003-G19: S/2003 J 17 2003 April 3 (discovery and ephemeris)
^ Keightley, p. 55; Hard, p. 46; Alcman, Fragment 57.
^ Jennifer S. Blue, L Named Herse Archived 2013-05-12 at the Wayback Machine, 2009 November 9
^ Jennifer S. Blue, IAUC 9094: Satellite of Jupiter (subscription required) 2009 November 11 (naming)
^ Planetary Satellite Mean Orbital Parameters, JPL

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[1] S.S. Sheppard (2019), Moons of Jupiter, Carnegie Science, on line

[2] Daniel W. E. Green, IAUC 8116: Satellites of Jupiter and Saturn 2003 April 11 (discovery)

[3] Brian G. Marsden, MPEC 2003-G19: S/2003 J 17 2003 April 3 (discovery and ephemeris)

[4] Keightley, p. 55; Hard, p. 46; Alcman, Fragment 57.

[5] Jennifer S. Blue, L Named Herse Archived 2013-05-12 at the Wayback Machine, 2009 November 9

[6] Jennifer S. Blue, IAUC 9094: Satellite of Jupiter (subscription required) 2009 November 11 (naming)

[7] Planetary Satellite Mean Orbital Parameters, JPL

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v t e Moons of Jupiter
Listed in increasing approximate distance from Jupiter
Inner moons	Metis Adrastea Amalthea Thebe
Galilean moons	Io Europa Ganymede Callisto
Themisto	Themisto
Himalia group (9)	Leda Ersa S/2018 J 2 Himalia Pandia Lysithea Elara S/2011 J 3 Dia
Carpo group (2)	S/2018 J 4 Carpo
Valetudo	Valetudo
Ananke group (26)	Euporie Jupiter LV Eupheme S/2021 J 3 Jupiter LII Jupiter LIV Mneme Euanthe S/2003 J 16 Harpalyke Orthosie S/2022 J 3 Helike S/2021 J 2 Praxidike Jupiter LXIV S/2021 J 1 S/2003 J 12 Jupiter LXVIII Thelxinoe Thyone S/2003 J 2 Ananke Iocaste Hermippe Jupiter LXX
Carme group (30)	S/2022 J 1 S/2022 J 2 S/2016 J 3 Pasithee Jupiter LXIX S/2021 J 6 S/2003 J 24 Chaldene Jupiter LXIII Isonoe S/2021 J 4 Kallichore Erinome Kale Eirene Aitne Eukelade Arche Taygete Jupiter LXXII Carme Herse Jupiter LXI Jupiter LI S/2003 J 9 Jupiter LXVI Kalyke S/2018 J 3 S/2021 J 5 S/2003 J 10
Pasiphae group (18)	Philophrosyne Eurydome Jupiter LVI S/2003 J 4 S/2016 J 4 Jupiter LXVII Hegemone Pasiphae Sponde Megaclite Cyllene Sinope Jupiter LIX Aoede Autonoe Callirrhoe S/2003 J 23 Kore
See also	Rings of Jupiter Jupiter's moons in fiction
Category

Discovery
Discovered by	Brett J. Gladman John J. Kavelaars Jean-Marc Petit Lynne Allen
Discovery date	2003
Designations
Designation	Jupiter L
Pronunciation	/ˈhɜːrsiː/
Named after	Ἕρση Hersē
Alternative names	S/2003 J 17
Adjectives	Hersean /hɜːrˈsiːən/
Orbital characteristics ^[1]
Semi-major axis	23097000 km
Eccentricity	0.200
Orbital period (sidereal)	−715.4 days
Mean anomaly	41.90°
Inclination	164.2°
Longitude of ascending node	329.0°
Argument of perihelion	355.7°
Satellite of	Jupiter
Group	Carme group
Physical characteristics
Mean diameter	2 km
Apparent magnitude	23.4