.png) A three-dimensional model of 595 Polyxena based on its light curve | |
| Discovery | |
|---|---|
| Discovered by | August Kopff |
| Discovery site | Heidelberg |
| Discovery date | 27 March 1906 |
| Designations | |
| MPC designation | (595) Polyxena |
| Pronunciation | /pɒˈlɪksɪnə/ |
| Alternative designations | 1906 TZ |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 110.05 yr (40197 d) |
| Aphelion | 3.4085 AU (509.90 Gm) |
| Perihelion | 3.0083 AU (450.04 Gm) |
| Semi-major axis | 3.2084 AU (479.97 Gm) |
| Eccentricity | 0.062376 |
| Orbital period (sidereal) | 5.75 yr (2,099.1 d) |
| Mean anomaly | 355.26° |
| Mean motion | 0° 10 17.4 / day |
| Inclination | 17.828° |
| Longitude of ascending node | 23.909° |
| Argument of perihelion | 279.182° |
| Physical characteristics | |
| Mean radius | 54.535±1.1 km |
| Synodic rotation period | 11.801 h (0.4917 d) |
| Geometric albedo | 0.0937±0.004 |
| Absolute magnitude (H) | 7.9 |
595 Polyxena is a minor planet orbiting the Sun. This main belt asteroid was discovered on 27 March 1906 by German astronomer August Kopff at the Heidelberg observatory. It was named after the youngest daughter of Priam and Hecuba, king and queen of Troy during the Trojan War. 595 Polyxena is orbiting at a distance of 3.21 AU from the Sun, with an orbital eccentricity (ovalness) of 0.06 and a period of 5.75 yr (2,099.1 d). The orbital plane is inclined at an angle of 17.8° to the ecliptic.
Light curves generated from photometric data indicate a sidereal rotation period of 11.794162±0.000023 h. Preliminary shape models of the asteroid suggest there's a flat region at the southern pole, perhaps indicating a concave area or an impact crater.
References
- Noah Webster (1884) A Practical Dictionary of the English Language
- ^ "595 Polyxena (1906 TZ)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.
- Schmadel, Lutz (2003). Dictionary of minor planet names. Vol. 1. Springer. p. 61. ISBN 9783540002383.
- Warner, Brian D. (October 2008). "A Preliminary Shape and Spin Axis Model for 595 Polyxena". Bulletin of the Minor Planets Section of the Association of Lunar and Planetary Observers. 35 (4): 171–172. Bibcode:2008MPBu...35..171W.
External links
- Lightcurve plot of 595 Polyxena, Palmer Divide Observatory, B. D. Warner (2008)
- Asteroid Lightcurve Database (LCDB), query form (info Archived 16 December 2017 at the Wayback Machine)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
- 595 Polyxena at AstDyS-2, Asteroids—Dynamic Site
- 595 Polyxena at the JPL Small-Body Database
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