595 Polyxena
{{Short description|Main-belt asteroid}}
{{Use dmy dates|date=June 2017}}
{{Infobox planet
| minorplanet = yes
| background = #D6D6D6
| name = 595 Polyxena
| image = 595Polyxena (Lightcurve Inversion).png
| image_scale =
| caption = A three-dimensional model of 595 Polyxena based on its light curve
| mpc_name = (595) Polyxena
| pronounced = {{IPAc-en|p|ɒ|'|l|ɪ|k|s|ᵻ|n|ə}}Noah Webster (1884) A Practical Dictionary of the English Language
| alt_names = 1906 TZ
| discoverer = August Kopff
| discovered = 27 March 1906
| discovery_site= Heidelberg
| epoch = 31 July 2016 (JD 2457600.5)
| eccentricity = 0.062376
| semimajor = {{Convert|3.2084|AU|Gm|abbr=on}}
| perihelion = {{Convert|3.0083|AU|Gm|abbr=on}}
| aphelion = {{Convert|3.4085|AU|Gm|abbr=on|lk=on}}
| period = {{cvt|2099.1|days|years|2|order=flip}}
| inclination = 17.828°
| asc_node = 23.909°
| arg_peri = 279.182°
| mean_anomaly = 355.26°
| mean_motion = {{Deg2DMS|0.17150|sup=ms}} / day
| orbit_ref = {{Cite web |url=https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20000595 |title=595 Polyxena (1906 TZ) |work=JPL Small-Body Database |publisher=NASA/Jet Propulsion Laboratory |access-date=5 May 2016}}
| observation_arc = 110.05 yr (40197 d)
| uncertainty = 0
| abs_magnitude = 7.9
| rotation = {{Convert|11.801|h|d|abbr=on|lk=on}}
| albedo = {{val|0.0937|0.004}}
| mean_radius = {{val|54.535|1.1}} km
}}
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 {{val|3.21|ul=AU}} from the Sun, with an orbital eccentricity (ovalness) of 0.06 and a period of {{cvt|2099.1|days|years|2|disp=flip}}. 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 {{val|11.794162|0.000023|u=hours|fmt=commas}}. 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
{{Reflist|refs=
| title=A Preliminary Shape and Spin Axis Model for 595 Polyxena
| last=Warner | first=Brian D.
| journal=Bulletin of the Minor Planets Section of the Association of Lunar and Planetary Observers
| volume=35 | issue=4 | pages=171–172
| date=October 2008 | bibcode=2008MPBu...35..171W }}
| title=Dictionary of minor planet names
| first=Lutz | last=Schmadel | year=2003
| volume=1 | page=61 | isbn=9783540002383
| publisher=Springer
| url=https://books.google.com/books?id=VoJ5nUyIzCsC&pg=PA61 }}
}}
External links
- [http://www.minorplanetobserver.com/pdolc/A595_2008.HTM Lightcurve plot of 595 Polyxena], Palmer Divide Observatory, B. D. Warner (2008)
- [http://www.minorplanet.info/PHP/lcdbsummaryquery.php Asteroid Lightcurve Database (LCDB)], query form ([http://www.minorplanet.info/lightcurvedatabase.html info] {{Webarchive|url=https://web.archive.org/web/20171216050541/http://www.minorplanet.info/lightcurvedatabase.html |date=16 December 2017 }})
- [https://books.google.com/books?id=aeAg1X7afOoC Dictionary of Minor Planet Names], Google books
- [http://obswww.unige.ch/~behrend/page_cou.html Asteroids and comets rotation curves, CdR] – Observatoire de Genève, Raoul Behrend
- [https://www.minorplanetcenter.net/iau/lists/NumberedMPs000001.html Discovery Circumstances: Numbered Minor Planets (1)-(5000)] – Minor Planet Center
- {{AstDys|595}}
- {{JPL small body}}
{{Minor planets navigator|594 Mireille|number=595|596 Scheila}}
{{Small Solar System bodies}}
{{Authority control}}
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