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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, moons orbiting between 11 and 13 gigametres from Jupiter at an inclination of about 27.5°. [11]
Elara is the eighth largest moon of Jupiter. With a mean radius of 26.7 miles (43 km) assuming an albedo of 0.04, it's only about 2 percent the size of Europa, the smallest of the four Galilean moons.
With a mean radius of only 26.7 miles, and a diameter of 50 miles, Elara is a fairly small moon, especially compared to Jupiter’s four largest moons, which are often known as the Galilean moons. Although it is one of the eight largest of Jupiter’s moons, Elara is only 2% of the size of Europa, the smallest of the Galilean moons.
Sep 25, 2019 · Jupiter’s eight outer moons fall into two groups: Leda, Himalia, Lysithea and Elara at about 11 million km from Jupiter and Ananke, Carme, Pasiphae and Sinope at about 23 million km. When the first version of The Nine Planets was written that was it. But in recent years several dozen tiny moons in various orbits farther out have been detected.
Elara is a non-spherical moon of Jupiter. It was found by Charles Dillon Perrine at Lick Observatory in 1905 [1] [2] and is named after the mother by Zeus of the giant Tityus. [5] Elara did not get its present name until 1975; before then, it was simply known as Jupiter VII. It was sometimes called "Hera" [6] between 1955 and 1975.
Elara is the second largest moon in the Himalia group. One hypothesis of the origins of Elara is that it’s a capture C or D type asteroid. Images of Elara were taken by the NASA New Horizons spacecraft in 2007 from 5 million miles away.
Elara (pronounced /ˈɛlərə/ EL-ər-ə, or as in 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 the mother by Zeus of the giant Tityus. [5]
