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Marvelous Moon Names (Girls)
Marvelous Moon Names (Girls)
Published: 2015/10/06
Channel: TulipByAnyName
Jupiter Moons - Himalia group - Elara, Leda... - Real Pictures - youtube.com/MoonMonde
Jupiter Moons - Himalia group - Elara, Leda... - Real Pictures - youtube.com/MoonMonde
Published: 2013/10/07
Channel: Moon Watcher
Moon Size Comparison
Moon Size Comparison
Published: 2016/11/06
Channel: Reigarw Comparisons
Jupiter
Jupiter's Moons: Crash Course Astronomy #17
Published: 2015/05/14
Channel: CrashCourse
Elara J7 Jupiter Outer Moon.mp4
Elara J7 Jupiter Outer Moon.mp4
Published: 2011/11/27
Channel: XB70man
Zooming Out From Jupiter Showing Moon Orbits [720p]
Zooming Out From Jupiter Showing Moon Orbits [720p]
Published: 2009/09/23
Channel: djxatlanta
Elara - Deli Bal (2017) (New Full Album)
Elara - Deli Bal (2017) (New Full Album)
Published: 2017/04/20
Channel: Stoned Meadow Of Doom
What You Didn
What You Didn't Know About Jovian Moons 3 (Himalia Group)
Published: 2017/08/21
Channel: 123Yellowberry123
Elara - Walk on the stars! through your mind
Elara - Walk on the stars! through your mind
Published: 2015/12/08
Channel: Worldhaspostrock
Elara - Me and You Under the Aurora Borealis
Elara - Me and You Under the Aurora Borealis
Published: 2014/05/10
Channel: Fluttery Records
[ELARA] - Follow The Waters - Full Album
[ELARA] - Follow The Waters - Full Album
Published: 2016/09/15
Channel: ElaraJupiterVII
{elara merandus; red queen}
{elara merandus; red queen}
Published: 2017/02/26
Channel: eve
Underswap X UnderFell X Wolvestale voiced by Elara(Me) - Они чертовски милые!(Сообщение в конце)
Underswap X UnderFell X Wolvestale voiced by Elara(Me) - Они чертовски милые!(Сообщение в конце)
Published: 2016/08/03
Channel: Elara Channel
2016 CES - Leaving Elara
2016 CES - Leaving Elara
Published: 2016/01/15
Channel: Kimberly Ann Graham
Sailor Elara Henshin
Sailor Elara Henshin
Published: 2010/03/01
Channel: tygerchickchibi
Elara
Elara
Published: 2015/06/10
Channel: John E Young - Topic
Elara - Tell me your theme and i
Elara - Tell me your theme and i'll show you the world
Published: 2015/11/28
Channel: elaraband
ELARA FT. HUILLO - "FIX YOU" (Cover)
ELARA FT. HUILLO - "FIX YOU" (Cover)
Published: 2016/11/01
Channel: ELARAmusic
Elara B Jade.wmv
Elara B Jade.wmv
Published: 2010/06/30
Channel: T Barny
Undertale comic voiced by Elara(me) - Помогите...
Undertale comic voiced by Elara(me) - Помогите...
Published: 2016/07/20
Channel: Elara Channel
ELARA ~ Mirror
ELARA ~ Mirror
Published: 2013/04/02
Channel: ElaraJupiterVII
Обзор Posudaclub.kiev.ua - Набор посуды из нержавеющей стали Fissman Elara 10пр
Обзор Posudaclub.kiev.ua - Набор посуды из нержавеющей стали Fissman Elara 10пр
Published: 2014/12/22
Channel: PosudaClub
Fund raising evening for baby Elara
Fund raising evening for baby Elara
Published: 2014/03/15
Channel: Narda Luijten
otobe 2016 093 Serenity Elara, Аделина Флейшер - Sailor Moon
otobe 2016 093 Serenity Elara, Аделина Флейшер - Sailor Moon
Published: 2017/04/25
Channel: RoW-Team
Elara: external website gui for touch devices
Elara: external website gui for touch devices
Published: 2011/03/02
Channel: Dancsok Zoltán
Sweet Big Sister Elara
Sweet Big Sister Elara
Published: 2015/09/14
Channel: Rebecca Corriveau
ELARA - Transparente - Video Oficial
ELARA - Transparente - Video Oficial
Published: 2016/01/23
Channel: ELARAmusic
CUTE BABY GIRL NAME REVEAL | Claire Wolfe
CUTE BABY GIRL NAME REVEAL | Claire Wolfe
Published: 2016/05/14
Channel: Claire Wolfe
ELARA "BURNING"
ELARA "BURNING"
Published: 2007/08/20
Channel: MOVEMENTmagazine
Himalia (moon) - Video Learning - WizScience.com
Himalia (moon) - Video Learning - WizScience.com
Published: 2015/09/17
Channel: Wiz Science™
ELARA ~ Stardust
ELARA ~ Stardust
Published: 2013/05/13
Channel: ElaraJupiterVII
Jupiter And Its Moons
Jupiter And Its Moons
Published: 2016/07/06
Channel: MLive
Jupiter Moon - Metis - Real Pictures - youtube.com/MoonMonde
Jupiter Moon - Metis - Real Pictures - youtube.com/MoonMonde
Published: 2013/10/07
Channel: Moon Watcher
The Natural Satellites (Moon) Song - Hope Johnson
The Natural Satellites (Moon) Song - Hope Johnson
Published: 2013/04/01
Channel: Hope and Maggie
Jessica Simpson Elara SKU:8928448
Jessica Simpson Elara SKU:8928448
Published: 2017/07/29
Channel: Shop Zappos
Jupiter Moon - Adrastea - Real Pictures - youtube.com/MoonMonde
Jupiter Moon - Adrastea - Real Pictures - youtube.com/MoonMonde
Published: 2013/10/07
Channel: Moon Watcher
BeamZ Elara Double Laser 300mW RB Gobo DMX IRC 152.636
BeamZ Elara Double Laser 300mW RB Gobo DMX IRC 152.636
Published: 2017/02/01
Channel: Tronios BV
Electric Moon - Stardust Rituals (2017) (New Full Album)
Electric Moon - Stardust Rituals (2017) (New Full Album)
Published: 2017/04/18
Channel: Stoned Meadow Of Doom
EVERYTHING ELARA | 5 MONTH UPDATE | Claire Wolfe
EVERYTHING ELARA | 5 MONTH UPDATE | Claire Wolfe
Published: 2017/03/01
Channel: Claire Wolfe
The Jedi Princess- Anakin and Elara
The Jedi Princess- Anakin and Elara
Published: 2016/03/25
Channel: TheJediPrincess
Sailor Moon Serenity Elara/Adelina
Sailor Moon Serenity Elara/Adelina
Published: 2016/12/01
Channel: Serenity Elara
BIRTH OF ELARA | EMERGENCY C-SECTION | Claire Wolfe
BIRTH OF ELARA | EMERGENCY C-SECTION | Claire Wolfe
Published: 2016/09/22
Channel: Claire Wolfe
Adam Elara - Chasing You (Music Video)
Adam Elara - Chasing You (Music Video)
Published: 2016/03/05
Channel: Adam Elara
Meeting Baby Elara | Sixty Eight | Our Weekly Vlog
Meeting Baby Elara | Sixty Eight | Our Weekly Vlog
Published: 2016/11/21
Channel: CJ and Johnny
How to Pronounce Elara
How to Pronounce Elara
Published: 2015/02/24
Channel: Pronunciation Guide
ELARA: Starry night in a cold November/Seljalandsfoss/The whale and its dreamlive
ELARA: Starry night in a cold November/Seljalandsfoss/The whale and its dreamlive
Published: 2013/05/13
Channel: RhumOnTheTable1
Jupiter Moon - Thebe - Real Pictures - youtube.com/MoonMonde
Jupiter Moon - Thebe - Real Pictures - youtube.com/MoonMonde
Published: 2013/10/07
Channel: Moon Watcher
Unreal 2 - Elara V, Sanctuary
Unreal 2 - Elara V, Sanctuary
Published: 2007/10/18
Channel: Emanuel Carpaneda
Moon & Reef puppies -- 4.5 wks
Moon & Reef puppies -- 4.5 wks
Published: 2016/10/11
Channel: Elizabeth Mallory
9 ELMA - The Call Of Elara (live at Noxious Art Festival, 05/09/2009, Paris, La Maroquinerie)
9 ELMA - The Call Of Elara (live at Noxious Art Festival, 05/09/2009, Paris, La Maroquinerie)
Published: 2009/09/10
Channel: doctoravalanche
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
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Elara
Elara2-LB1-mag17.jpg
Elara near the glare of bright Jupiter
Discovery
Discovered by C. D. Perrine
Discovery date January 5, 1905[1][2]
Orbital characteristics
Mean orbit radius
11,740,000 km (0.07810 AU)[3]
Eccentricity 0.22[3]
259.64 d (0.708 a)[3]
3.27 km/s[3]
Inclination 26.63° (to the ecliptic)
30.66° (to Jupiter's equator)[3]
Satellite of Jupiter
Physical characteristics
Mean radius
43 km[4]
~23,200 km2
Volume ~333,000 km3
Mass 8.7×1017 kg
Mean density
2.6 g/cm3 (assumed)[4]
~0.031 m/s2 (0.003 g)
~0.052 km/s
~0.5 d (12 h)
Albedo 0.04 (assumed)[4]
Temperature ~124 K
16.3[4]

Elara (/ˈɛlərə/ EL-ər-ə; Greek: Ελάρα) is a prograde irregular satellite of Jupiter. It was discovered by Charles Dillon Perrine at Lick Observatory in 1905.[1][2] It is the eighth largest moon of Jupiter and is named after Elara, one of Zeus's lovers and the mother of the giant Tityos.[5]

Elara did not receive its present name until 1975; before then, it was simply known as Jupiter VII. It was sometimes called "Hera"[6] between 1955 and 1975. It has a mean radius of just 43 km, thus it is 2% of the size of Europa. However it is half the size of Himalia, so it is the second biggest moon in the Himalia group. It might be a captured type C or D asteroid, for it reflects very little light.

Elara belongs to the Himalia group, five moons orbiting between 11 and 13 Gm from Jupiter at an inclination of about 27.5°.[3] Its orbital elements are as of January 2000. They are continuously changing due to solar and planetary perturbations.

New Horizons encounter[edit]

In February and March 2007, the New Horizons spacecraft to Pluto captured Elara in several LORRI images from a distance of five million miles.[7]

See also[edit]

References[edit]

  1. ^ a b Perrine, C. D. (1905-02-27). "Satellites of Jupiter". Harvard College Observatory Bulletin. 178. 
  2. ^ a b Perrine, C. D. (1905). "The Seventh Satellite of Jupiter". Publications of the Astronomical Society of the Pacific. 17 (101): 62–63. Bibcode:1905PASP...17...56.. JSTOR 40691209. doi:10.1086/121624. 
  3. ^ a b c d e f Jacobson, R. A. (2000). "The orbits of outer Jovian satellites". Astronomical Journal. 120 (5): 2679–2686. Bibcode:2000AJ....120.2679J. doi:10.1086/316817. 
  4. ^ a b c d "Planetary Satellite Physical Parameters". JPL (Solar System Dynamics). Retrieved 2009-08-10. 
  5. ^ Marsden, Brian G. (October 7, 1975). "Satellites of Jupiter". International Astronomical Union. Archived from the original on February 22, 2014. 
  6. ^ Payne-Gaposchkin, Cecilia; Katherine Haramundanis (1970). Introduction to Astronomy. Englewood Cliffs, N.J.: Prentice-Hall. ISBN 0-13-478107-4. 
  7. ^ Hamilton, Thomas Wm. (2013). Moons of the solar system. Strategic Book Publishing. p. 21. ISBN 1625161751. Retrieved 8 February 2015. 

External links[edit]

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