Английская Википедия:8661 Ratzinger
Шаблон:Use dmy dates Шаблон:Infobox planet
8661 Ratzinger, provisional designation Шаблон:Mp, is an Eoan asteroid from the outer region of the asteroid belt, approximately 13.4 kilometers in diameter. It was discovered on 14 October 1990, by German astronomers Lutz Schmadel and Freimut Börngen at the Karl Schwarzschild Observatory in Tautenburg, eastern Germany.[1] The asteroid was named after Cardinal Joseph Ratzinger, who became Pope Benedict XVI.[2]
Orbit and classification
Ratzinger is a member of the Eos family (Шаблон:Small),[3] the largest asteroid family in the outer main belt consisting of nearly 10,000 asteroids.[4]Шаблон:Rp It orbits the Sun at a distance of 2.9–3.1 AU once every 5 years and 3 months (1,906 days). Its orbit has an eccentricity of 0.04 and an inclination of 11° with respect to the ecliptic.[5]
In October 1969, it was first identified as Шаблон:Mp at Crimea–Nauchnij. The body's observation arc begins at Leoncito in 1974, when it was identified as Шаблон:Mp, 16 years prior to its official discovery observation at Tautenburg.[1]
Physical characteristics
According to the survey carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Ratzinger measures 13.4 kilometers in diameter and its surface has an albedo of 0.09.[6] In 2018, Josef Ďurech et al. measured its rotation period as Шаблон:Val hours and provided a partial shape model.[7]
As of 2020, RatzingerШаблон:'s composition remains unknown.[5][8]
Naming
This minor planet was named after German Joseph Ratzinger (born 1927), then Cardinal and professor of theology, for the role he played in supervising the opening of the Vatican Secret Archives in 1998 to researchers investigating judicial errors against Galileo, after whom the minor planet 697 Galilea is named, and other medieval scientists.[2]
Ratzinger was considered to be one of the most authoritative voices in the Vatican and became Pope Benedict XVI in 2005. The name was proposed by the asteroid's first discoverer, Lutz Schmadel.[2] The approved naming citation was published by the Minor Planet Center on 23 May 2000 (Шаблон:Small).[9]
References
External links
- Asteroid Lightcurve Database (LCDB), query form (info Шаблон:Webarchive)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (5001)-(10000) – Minor Planet Center
- Шаблон:AstDys
- Шаблон:JPL small body
Шаблон:Minor planets navigator Шаблон:Small Solar System bodies Шаблон:Authority control
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- Английская Википедия
- Eos asteroids
- Discoveries by Lutz D. Schmadel
- Discoveries by Freimut Börngen
- Named minor planets
- Pope Benedict XVI
- Astronomical objects discovered in 1990
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- Страницы с телепортом
- Википедия
- Статья из Википедии
- Статья из Английской Википедии
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