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F r o m W i k i p e d i a , t h e f r e e e n c y c l o p e d i a
Praxidike , also known as Jupiter XXVII , is a retrograde irregular satellite of Jupiter . It was discovered by a team of astronomers from the University of Hawaii led by Scott S. Sheppard in 2000,[7] [1] and given the temporary designation S/2000 J 7 .
It was named in August 2003 after Praxidike ,[8] the Greek goddess of punishment .
Praxidike observed by the WISE spacecraft in 2010
Praxidike orbits Jupiter at an average distance of 20,824,000 km in 609.25 days , at an inclination of 144° to the ecliptic (143° to Jupiter's equator ), in a retrograde direction and with an eccentricity of 0.1840.
Praxidike belongs to the Ananke group , believed to be the remnants of a break-up of a captured heliocentric asteroid.[9] [10] With an estimated diameter of 7 km, Praxidike is the second largest member of the group after Ananke itself (assumed albedo of 0.04).[11]
Characteristics [ edit ]
The satellite appears grey (colour indices B-V=0.77, R-V= 0.34), typical of C-type asteroids .[12]
References [ edit ]
^ as 'Praxidice' in Noah Webster (1884) A Practical Dictionary of the English Language
^ There is also 'Praxidician' , as in the 'Praxidician goddesses' that include Praxidice, but this does not derive from the name Praxidice itself.
^ S.S. Sheppard (2019), Moons of Jupiter, Carnegie Science , on line
^ "M.P.C. 104798" (PDF) . Minor Planet Circular . Minor Planet Center. 10 May 2017.
^ a b Grav, T.; Bauer, J. M.; Mainzer, A. K.; Masiero, J. R.; Nugent, C. R.; Cutri, R. M.; et al. (August 2015). "NEOWISE: Observations of the Irregular Satellites of Jupiter and Saturn" (PDF) . The Astrophysical Journal . 809 (1 ): 9. Bibcode :2015ApJ...809....3G . doi :10.1088/0004-637X/809/1/3 . S2CID 5834661 . 3.
^ IAUC 7555: Satellites of Jupiter January 5, 2001 (discovery)
^ IAUC 7998: Satellites of Jupiter 2002 October 22 (naming the moon)
^ Sheppard, S. S., Jewitt, D. C. ; An Abundant Population of Small Irregular Satellites Around Jupiter Archived 2003-08-05 at the Wayback Machine , Nature, Vol. 423 (May 2003), pp. 261-263
^ Nesvorný, D. ; Alvarellos, J. L. A. ; Dones, L. ; and Levison, H. F. ; Orbital and Collisional Evolution of the Irregular Satellites , The Astronomical Journal, Vol. 126 (2003), pp. 398–429
^ Sheppard, S. S.; Jewitt, D. C.; Porco, C. ;
Jupiter's Outer Satellites and Trojans Archived 2009-09-20 at the Wayback Machine , in Jupiter: The Planet, Satellites and Magnetosphere, edited by Fran Bagenal, Timothy E. Dowling, and William B. McKinnon, Cambridge Planetary Science, Vol. 1, Cambridge, UK: Cambridge University Press, ISBN 0-521-81808-7 , 2004, pp. 263-280
^ Grav, T. ; Holman, M. J. ; Gladman, B. J. ; Aksnes, K. ; Photometric Survey of the Irregular Satellites , Icarus, Vol. 166 (2003), pp. 33-45
External links [ edit ]
R e t r i e v e d f r o m " https://en.wikipedia.org/w/index.php?title=Praxidike_(moon)&oldid=1195677215 "
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