Eudora (
minor planet designation
A formal minor-planet designation is, in its final form, a number–name combination given to a minor planet (asteroid, centaur, trans-Neptunian object and dwarf planet but not comet). Such designation always features a leading number (catalog o ...
: 217 Eudora) is a large
Main belt
The asteroid belt is a torus-shaped region in the Solar System, located roughly between the orbits of the planets Jupiter and Mars. It contains a great many solid, irregularly shaped bodies, of many sizes, but much smaller than planets, called ...
asteroid
An asteroid is a minor planet of the Solar System#Inner solar system, inner Solar System. Sizes and shapes of asteroids vary significantly, ranging from 1-meter rocks to a dwarf planet almost 1000 km in diameter; they are rocky, metallic o ...
. It was discovered by French (Corsican) astronomer
J. Coggia on August 30, 1880, in
Marseilles
Marseille ( , , ; also spelled in English as Marseilles; oc, Marselha ) is the prefecture of the French department of Bouches-du-Rhône and capital of the Provence-Alpes-Côte d'Azur region. Situated in the camargue region of southern Fra ...
, France. It was his fourth asteroid discovery and is named after
Eudora Eudora may refer to:
Places
* Eudora, Arkansas, a city
* Eudora, Kansas, a city
* Eudora Township, Douglas County, Kansas
* Eudora, Mississippi, an unincorporated community
* Eudora, Missouri, an unincorporated community
Other
* 217 Eudora, an ...
, a
Hyad in
Greek mythology
A major branch of classical mythology, Greek mythology is the body of myths originally told by the ancient Greeks, and a genre of Ancient Greek folklore. These stories concern the origin and nature of the world, the lives and activities of ...
.
It probably has a composition similar to
carbonaceous chondrite
Carbonaceous chondrites or C chondrites are a class of chondritic meteorites comprising at least 8 known groups and many ungrouped meteorites. They include some of the most primitive known meteorites. The C chondrites represent only a small prop ...
s. In 2007, a study showed it rotates every 25.253 ± 0.003 hours, based on
lightcurve
In astronomy, a light curve is a graph of light intensity of a celestial object or region as a function of time, typically with the magnitude of light received on the y axis and with time on the x axis. The light is usually in a particular frequ ...
data.
A light curve generated from
photometric observations at
Pulkovo Observatory
The Pulkovo Astronomical Observatory (russian: Пулковская астрономическая обсерватория, Pulkovskaya astronomicheskaya observatoriya), officially named the Central Astronomical Observatory of the Russian Academ ...
, give a matching rotation period of 25.253 ± 0.002 hours and a brightness variation of 0.22 ± 0.04 in
magnitude
Magnitude may refer to:
Mathematics
*Euclidean vector, a quantity defined by both its magnitude and its direction
*Magnitude (mathematics), the relative size of an object
*Norm (mathematics), a term for the size or length of a vector
*Order of ...
.
See also
*
List of minor planets: 1–1000
References
External links
The Asteroid Orbital Elements DatabaseAsteroid Lightcurve Data File*
*
Background asteroids
Eudora Eudora may refer to:
Places
* Eudora, Arkansas, a city
* Eudora, Kansas, a city
* Eudora Township, Douglas County, Kansas
* Eudora, Mississippi, an unincorporated community
* Eudora, Missouri, an unincorporated community
Other
* 217 Eudora, an ...
Eudora Eudora may refer to:
Places
* Eudora, Arkansas, a city
* Eudora, Kansas, a city
* Eudora Township, Douglas County, Kansas
* Eudora, Mississippi, an unincorporated community
* Eudora, Missouri, an unincorporated community
Other
* 217 Eudora, an ...
X-type asteroids (Tholen)
18800830
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