579 Sidonia

Sidonia (minor planet designation: 579 Sidonia) is a minor planet orbiting the Sun that was discovered by the German astronomer August Kopff on November 3, 1905. It was named after a character in Christoph Willibald Gluck's opera Armide. The name may have been inspired by the asteroid's provisional designation 1905 SD.

579 Sidonia
Discovery
Discovered byA. Kopff
Discovery siteHeidelberg
Discovery date3 November 1905
Designations
(579) Sidonia
Pronunciation/sˈdniə/[1]
1905 SD
Orbital characteristics[2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc109.22 yr (39891 d)
Aphelion3.2535 AU (486.72 Gm)
Perihelion2.7680 AU (414.09 Gm)
3.0107 AU (450.39 Gm)
Eccentricity0.080631
5.22 yr (1908.1 d)
161.100°
 11m 19.212s / day
Inclination11.009°
82.737°
228.785°
Physical characteristics
Mean radius
42.785±1.1 km
16.286 h (0.6786 d)
0.1748±0.009
8.07[3]
7.85[2]

    This is a member of the dynamic Eos family of asteroids that most likely formed as the result of a collisional breakup of a parent body.[4]

    References

    1. "Sidonian". Lexico UK Dictionary. Oxford University Press.
    2. Yeomans, Donald K., "579 Sidonia", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 5 May 2016.
    3. Warner, Brian D. (December 2007), "Initial Results of a Dedicated H-G Project", The Minor Planet Bulletin, 34, pp. 113–119, Bibcode:2007MPBu...34..113W.
    4. Veeder, G. J.; et al. (March 1995), "Eos, Koronis, and Maria family asteroids: Infrared (JHK) photometry", Icarus, 114, pp. 186–196, Bibcode:1995Icar..114..186V, CiteSeerX 10.1.1.31.2739, doi:10.1006/icar.1995.1053.


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