1
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2
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3
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4
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12
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DATE: 2012/03/10::
13
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Elara Dione "Pink Neon"
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14
Black G Shock Review by Elara Dione
Black G Shock Review by Elara Dione
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15
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Far Out (Beagle 2 Version) - Blur
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Purple G Shock Review by Elara Dione
Purple G Shock Review by Elara Dione
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17
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Unreal 2 - Elara V, Sanctuary
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18
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Evil Monkeys Clan | Warframe | Elara Survival Jupiter 1hour 53 minutes
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19
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20
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33
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Jupiter Moon - Europa - Real Pictures - youtube.com/MoonMonde
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DATE: 2013/10/07::
36
Tema de Lara
Tema de Lara
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37
2013 - Moon Pied
2013 - Moon Pied's looking for her furever home!
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38
Wolf Wood
Wolf Wood
DATE: 2012/04/26::
39
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41
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45
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46
Jupiter Moon - Amalthea - Real Pictures - youtube.com/MoonsMonde
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DATE: 2013/10/07::
47
Jupiter Moon - Metis - Real Pictures - youtube.com/MoonMonde
Jupiter Moon - Metis - Real Pictures - youtube.com/MoonMonde
DATE: 2013/10/07::
48
Beautiful room at the Moon Palace Resort
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DATE: 2012/08/08::
49
Jupiter Moon - Thebe - Real Pictures - youtube.com/MoonMonde
Jupiter Moon - Thebe - Real Pictures - youtube.com/MoonMonde
DATE: 2013/10/07::
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Halo 4 gameplay music video [HD]
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DATE: 2012/03/05::
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RESULTS [51 .. 101]
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. 
  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). 2009-04-03. Retrieved 2009-08-10. 
  5. ^ Marsden, B. G. (7 October 1974). "Satellites of Jupiter". IAUC Circular 2846. 
  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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