Английская Википедия:Callirrhoe (moon)
Шаблон:Short description Шаблон:Use dmy dates Шаблон:Infobox planet
Callirrhoe (Шаблон:IPAc-en; Greek: Καλλιρρόη), also known as Шаблон:Nowrap, is one of Jupiter's outer natural satellites. It is an irregular moon that orbits in a retrograde direction. Callirrhoe was imaged by Spacewatch at Kitt Peak National Observatory from October 6 through November 4, 1999,[1] and originally designated as asteroid Шаблон:Mp.[2][3] It was discovered to be in orbit around Jupiter by Tim Spahr on July 18, 2000, and then given the designation Шаблон:Nowrap.[4][5] It was the 17th confirmed moon of Jupiter.[1]
Name
It was named in October 2002 after Callirrhoe, daughter of the river god Achelous, one of Zeus' (Jupiter's) many conquests.[6]
Characteristics
Callirrhoe has an apparent magnitude of 20.7,[7] making it even fainter than dwarf planet Eris at magnitude 18.7.[8] Jupiter is about 2.5 billion times brighter than Callirrhoe.[9]
Callirrhoe is about 9.6 kilometers in diameter,[10] and orbits Jupiter at an average distance of 24.1 million kilometers in 747.09 days, at an inclination of 141° to the ecliptic (140° to Jupiter's equator) with an eccentricity of 0.28. This object was probably captured long ago from a heliocentric orbit and the Sun's gravitational influence makes this orbit highly erratic.[1]
It belongs to the Pasiphae group, irregular retrograde moons orbiting Jupiter at distances ranging between 22.8 and 24.1 million kilometers, and with inclinations ranging between 144.5° and 158.3°. However, while Pasiphae is gray (B−V=0.74, V−R=0.38, V−I=0.74) in color, Callirrhoe is light red (B−V=0.72, V−R=0.50, V−I=1.02) and more similar to Megaclite.[11]
Exploration
As a navigation exercise, the New Horizons spacecraft imaged Callirrhoe on January 10, 2007.[12]
Notes
References
External links
- 17th Moon of Jupiter Discovered Шаблон:Webarchive
- Spacewatch S/1999 J 1
- Spacewatch discovery picture
- ↑ 1,0 1,1 1,2 Ошибка цитирования Неверный тег
<ref>; для сносокprне указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокmoon1999не указан текст - ↑ MPS 7418 (Minor Planet Circulars Supplement); not available on-line
- ↑ Ошибка цитирования Неверный тег
<ref>; для сносокIAUC7460не указан текст - ↑ MPEC 2000-Y16: S/1975 J 1 = S/2000 J 1, S/1999 J 1 2000-12-19 (discovery and ephemeris)
- ↑ IAUC 7998: Satellites of Jupiter 2002 October 22 (naming the moon)
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite web
- ↑ (5th root of 100)^(20.7-(-2.8))=2.51 billion
- ↑ Ошибка цитирования Неверный тег
<ref>; для сносокGrav2015не указан текст - ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite web
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