Discovery | |
---|---|
Discovered by | A. Kopff |
Discovery site | Heidelberg |
Discovery date | 3 November 1905 |
Designations | |
MPC designation | (579) Sidonia |
Pronunciation | /saɪˈdoʊniə/ |
Alternative designations | 1905 SD |
Orbital characteristics | |
Epoch 31 July 2016 (JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 109.22 yr (39891 d) |
Aphelion | 3.2535 AU (486.72 Gm) |
Perihelion | 2.7680 AU (414.09 Gm) |
Semi-major axis | 3.0107 AU (450.39 Gm) |
Eccentricity | 0.080631 |
Orbital period (sidereal) | 5.22 yr (1908.1 d) |
Mean anomaly | 161.100° |
Mean motion | 0° 11 19.212 / day |
Inclination | 11.009° |
Longitude of ascending node | 82.737° |
Argument of perihelion | 228.785° |
Physical characteristics | |
Mean radius | 42.785±1.1 km |
Synodic rotation period | 16.286 h (0.6786 d) |
Geometric albedo | 0.1748±0.009 |
Absolute magnitude (H) | 8.07 7.85 |
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.
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.
References
- "Sidonian". Lexico UK English Dictionary. Oxford University Press. Archived from the original on 15 September 2020.
- ^ Yeomans, Donald K., "579 Sidonia", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 5 May 2016.
- Warner, Brian D. (December 2007), "Initial Results of a Dedicated H-G Project", The Minor Planet Bulletin, vol. 34, pp. 113–119, Bibcode:2007MPBu...34..113W.
- Veeder, G. J.; et al. (March 1995), "Eos, Koronis, and Maria family asteroids: Infrared (JHK) photometry", Icarus, vol. 114, pp. 186–196, Bibcode:1995Icar..114..186V, CiteSeerX 10.1.1.31.2739, doi:10.1006/icar.1995.1053.
External links
- 579 Sidonia at AstDyS-2, Asteroids—Dynamic Site
- 579 Sidonia at the JPL Small-Body Database
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