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{{#invoke:Infobox|infobox}} 13 Egeria is a large main-belt G-type asteroid.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> It was discovered by A. de Gasparis on November 2, 1850. Egeria was named by Urbain Le Verrier, whose computations led to the discovery of Neptune, after the mythological nymph Egeria of Aricia, Italy, the wife of Numa Pompilius, second king of Rome.<ref>{{#invoke:citation/CS1|citation |CitationClass=book }}</ref>

OCCULT4 visualization of 13 Egeria occultation event of January 22, 2008

Egeria occulted a star on January 8, 1992. Its disc was determined to be quite circular (217×196 km). On January 22, 2008, it occulted another star, and this occultation was timed by several observers in New Mexico and Arizona, coordinated by the IOTA Asteroid Occultation Program.<ref name=2008a>{{#invoke:citation/CS1|citation |CitationClass=web }} (Chords)</ref> The result showed that Egeria presented an approximately circular profile to Earth of 214.8×192 km, well in agreement with the 1992 occultation.{{ safesubst:#invoke:Unsubst||date=__DATE__ |$B= {{#invoke:Category handler|main}}{{#invoke:Category handler|main}}[citation needed] }} It has also been studied by radar.<ref name="detected">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

In 1988 a search for satellites or dust orbiting this asteroid was performed using the UH88 telescope at the Mauna Kea Observatories, but the effort came up empty.<ref name="Gradie1988"/> Spectral analysis of Egeria shows it to be unusually high in water content, 10.5–11.5% water by mass.<ref>http://www.lpi.usra.edu/meetings/lpsc2002/pdf/1414.pdf</ref> This makes Egeria a prominent candidate for future water-mining ventures.


13 Egeria sections
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Egeria::title    Category::asteroid    Jpldata::first    Planets::author    Archive::asteroid    G-type::gasparis

{{#invoke:Infobox|infobox}} 13 Egeria is a large main-belt G-type asteroid.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> It was discovered by A. de Gasparis on November 2, 1850. Egeria was named by Urbain Le Verrier, whose computations led to the discovery of Neptune, after the mythological nymph Egeria of Aricia, Italy, the wife of Numa Pompilius, second king of Rome.<ref>{{#invoke:citation/CS1|citation |CitationClass=book }}</ref>

OCCULT4 visualization of 13 Egeria occultation event of January 22, 2008

Egeria occulted a star on January 8, 1992. Its disc was determined to be quite circular (217×196 km). On January 22, 2008, it occulted another star, and this occultation was timed by several observers in New Mexico and Arizona, coordinated by the IOTA Asteroid Occultation Program.<ref name=2008a>{{#invoke:citation/CS1|citation |CitationClass=web }} (Chords)</ref> The result showed that Egeria presented an approximately circular profile to Earth of 214.8×192 km, well in agreement with the 1992 occultation.{{ safesubst:#invoke:Unsubst||date=__DATE__ |$B= {{#invoke:Category handler|main}}{{#invoke:Category handler|main}}[citation needed] }} It has also been studied by radar.<ref name="detected">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

In 1988 a search for satellites or dust orbiting this asteroid was performed using the UH88 telescope at the Mauna Kea Observatories, but the effort came up empty.<ref name="Gradie1988"/> Spectral analysis of Egeria shows it to be unusually high in water content, 10.5–11.5% water by mass.<ref>http://www.lpi.usra.edu/meetings/lpsc2002/pdf/1414.pdf</ref> This makes Egeria a prominent candidate for future water-mining ventures.


13 Egeria sections
Intro  See also  References   External links   

PREVIOUS: IntroNEXT: See also
<<>>