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cordelia
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Cordelia
Related Category: Astronomy: General
in astronomy, one of the natural satellites, or moons, of Uranus.
Cordelia acts as the inner shepherd satellite for Uranus' Epsilon ring. Cordelia's orbit is within Uranus' synchronous orbit radius, and is therefore slowly decaying due to tidal forces.
References
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Cordelia
Uranus VI - 1986U7
Cordelia was named after the daughter of King Lear in Shakespeare's play King Lear. Cordelia is one of the smaller moons in the Solar System and is the innermost known moon of Uranus.
Cordelia
Uranus VI
Cordelia is the innermost of Uranus' known satellites: orbit: 49,752 km from Uranus diameter: 26 km mass: ?
Cordelia
The closest moon to the Surface of the planet Uranus is Cordelia. Cordelia was discovered by Voyager 2 in 1986. It appears that this moon is a shepherd moon for Uranus' Epsilon ring.
Cordelia [1986 U7]:
References
Arnett, W. "The Nine Planets: Cordelia." .
Cordelia, Ophelia, Bianca, Cressida, Desdemona, Juliet, Portia, Rosalind, Belinda, Puck, Miranda, Ariel, Umbriel, Titania, Oberon, Caliban, Sycorax, Prospero, Setebos, Stephano, Trinculo, plus 6 to receive a name
Neptune
13 ...
Cordelia -- In William Shakespeare's King Lear, the youngest daughter of the king.
corona -- A circular to elongate feature which is surrounded by multiple concentric ridges. Coronae are thought to be formed by hot spots.
Cordelia (NASA Thesaurus) A natural satellite of Uranus orbiting at a mean distance of 49,750 kilometers. core (SOHO Glossary - GSFC) In solar astronomy, the innermost part of the Sun, where energy is generated by nuclear reactions.
The inner two satellites, Cordelia and Ophelia, orbit on either side of the Epsilon ring at exactly the right radii required for shepherding (see Figure 52).
In the figure above, the inner two satellites of Uranus, Cordelia and Ophelia, orbit on either side of the Epsilon ring at exactly the right radii required for shepherding.
The two innermost moons of Uranus, Cordelia and Ophelia, act as shepherd moons. They have orbits on either side of the last ring, Epsilon, which keeps it narrow.
Only the closest to the planet, Cordelia, is within the ring system of Uranus.
The next ten small satellites-Cordelia, Ophelia, Bianca, Cressida, Desdemona, Juliet, Portia, Rosalind, Belinda, and Puck-were revealed by Voyager 2 in 1985-86.
The Voyager 2 spacecraft discovered 10 more, and they were named Cordelia, Ophelia, Bianca, Cressida, Desdemona, Juliet, Portia, Rosalind, Puck, and Belinda.
[17] The two innermost moons (Cordelia and Ophelia) serve as shepherds of Uranus's ε ring, while small moon Mab is a source of Uranus's outermost μ ring.
Prospero, Stephano, Setebos, Cordelia, Ophelia, Bianca, Cressida, Desdemona, Juliet, Portia, Rosalind, Belinda, Puck, Miranda, Ariel, Umbriel, Titania, Oberon.
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2 C!s I like it! ...
Figure 13.18 These two small moons, discovered by Voyager 2 in 1986 and now named Cordelia and Ophelia, tend to "shepherd" Uranus's Epsilon ring, keeping it from diffusing away into space.
THE RINGS OF NEPTUNE ...
Around Saturn: none (like Jupiter, Saturn is a very fast rotator but has no satellites close enough)
Around Uranus: Cordelia, Ophelia, Bianca, Cressida, Desdemona, Juliet, Portia, Rosalind, Cupid, Belinda, and Perdita ...
Name Semimajor Axis (km) Period (days) Eccentricity Inclination (deg) Mean Radius (km) Mass (10^20 kg)
Cordelia
49,752
0.3350331 ...
Voyager 2 found two small shepherd moons for it, one just inside and one just outside (adjacent image (Ref); the white dots inside the yellow circles). They appear to be about 20-30 km in diameter, and have been named Ophelia and Cordelia.
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The moons Caliban, Sycorax, Prospero, Setebos, Stephano, and 1986U10 were all discovered fairly recently. Cordelia is the closest of Uranus' ten 'inner moons', ...
 See also: Uranus, Solar, Ophelia, Solar System, Orbit
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