26 Proserpina
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26 Proserpina is a
main-belt The asteroid belt is a torus-shaped region in the Solar System, centered on the Sun and roughly spanning the space between the orbits of the planets Jupiter and Mars. It contains a great many solid, irregularly shaped bodies called asteroids ...
asteroid An asteroid is a minor planet—an object larger than a meteoroid that is neither a planet nor an identified comet—that orbits within the Solar System#Inner Solar System, inner Solar System or is co-orbital with Jupiter (Trojan asteroids). As ...
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 Roman civilization *Epistle to the Romans, shortened to Romans, a letter w ...
goddess A goddess is a female deity. In some faiths, a sacred female figure holds a central place in religious prayer and worship. For example, Shaktism (one of the three major Hinduism, Hindu sects), holds that the ultimate deity, the source of all re ...
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, whos ...
, 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 underworld. ...
. Another main-belt asteroid, 399 Persephone, discovered in 1895, is named after her Greek counterpart. Its historical symbol was a star inside a pomegranate; it is in the pipeline for
Unicode Unicode or ''The Unicode Standard'' or TUS is a character encoding standard maintained by the Unicode Consortium designed to support the use of text in all of the world's writing systems that can be digitized. Version 16.0 defines 154,998 Char ...
17.0 as U+1CECD 𜻍 (). This object is orbiting the
Sun The Sun is the star at the centre of the Solar System. It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light a ...
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 in
Terre Haute, Indiana Terre Haute ( ) is a city in Vigo County, Indiana, United States, and its county seat. As of the 2020 United States census, 2020 census, the city had a population of 58,389 and Terre Haute metropolitan area, its metropolitan area had a populati ...
produced a
light curve In astronomy, a light curve is a graph (discrete mathematics), graph of the Radiance, light intensity of a celestial object or region as a function of time, typically with the magnitude (astronomy), magnitude of light received on the ''y''-axis ...
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.


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