Proserpina (

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 ...

: 26 Proserpina) is a

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 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 or icy bodies with no atmosphere. ...

discovered by German astronomer R. Luther on May 5, 1853. It is named after the

Roman Roman or Romans most often refers to: * Rome, the capital city of Italy * Ancient Rome, Roman civilization from 8th century BC to 5th century AD *Roman people, the people of ancient Rome *''Epistle to the Romans'', shortened to ''Romans'', a lett ...

goddess A goddess is a female deity. In many known cultures, goddesses are often linked with literal or metaphorical pregnancy or imagined feminine roles associated with how women and girls are perceived or expected to behave. This includes themes ...

Proserpina Proserpina ( , ) or Proserpine ( ) is an ancient Roman goddess whose iconography, functions and myths are virtually identical to those of Greek Persephone. Proserpina replaced or was combined with the ancient Roman fertility goddess Libera, whose ...

, the daughter of Ceres and the Queen of the

Underworld The underworld, also known as the netherworld or hell, is the supernatural world of the dead in various religious traditions and myths, located below the world of the living. Chthonic is the technical adjective for things of the underwo ...

. Another main-belt asteroid,

399 Persephone Persephone (minor planet designation: 399 Persephone) is a main belt asteroid. It was discovered by German astronomer Max Wolf on 23 February 1895 in Heidelberg. References External links * * Background asteroids Persephone Persephone ...

, discovered in 1895, is named after her Greek counterpart. This object is orbiting the

Sun The Sun is the star at the center of the Solar System. It is a nearly perfect ball of hot plasma, heated to incandescence by nuclear fusion reactions in its core. The Sun radiates this energy mainly as light, ultraviolet, and infrared radi ...

with a period of 4.33 years. It has a cross-section size of around 90 km and a stony ( S-type) composition. Photometric observations of this asteroid have produced discrepant estimates of the rotation period. A period of 12.13 hours was reported in 1979, followed by 10.6 hours in 1981 and 6.67 hours in 2001. Observations made in 2007 at the

Oakley Observatory Oakley Observatory or Rose–Hulman Observatory ( Obs. code: 916) is an astronomical observatory operated by Rose–Hulman Institute of Technology in Terre Haute, Indiana, United States. The Oakley Observatory is a teaching observatory ...

Terre Haute, Indiana Terre Haute ( ) is a city in and the county seat of Vigo County, Indiana, United States, about 5 miles east of the state's western border with Illinois. As of the 2010 census, the city had a population of 60,785 and its metropolitan area had a ...

produced a

light curve 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 ...

with a period of 13.06 ± 0.03 hours and a brightness variation of 0.21 ± 0.01 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 ...

. This was refined by a 2008 study, giving a period of 13.110 ± 0.001 hours.

References

External links

* * {{DEFAULTSORT:Proserpina 000026 000026 000026 Discoveries by Robert Luther Named minor planets 18530505 Proserpina