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词条 3412 Kafka
释义

  1. Orbit and classification

  2. Physical characteristics

  3. Naming

  4. References

  5. External links

{{Use dmy dates|date=December 2013}}{{Infobox planet
| minorplanet = yes
| name = 3412 Kafka
| background = #D6D6D6
| image =
| image_size =
| caption =
| discovery_ref =  
| discovered = 10 January 1983
| discoverer = R. Kirk
D. Rudy
| discovery_site = Palomar Obs.
| mpc_name = (3412) Kafka
| alt_names = {{mp|1983 AU|2}}{{·}}1942 YB
{{mp|1977 FF|3}}{{·}}{{mp|1978 PA|2}}
{{mp|1978 QE|1}}
| named_after = Franz Kafka
{{small|(Austrian–Czech writer)}}[2]
| mp_category = main-belt{{·}}Flora{{citation needed|date=December 2016}}
| orbit_ref =  
| epoch = 4 September 2017 (JD 2458000.5)
| uncertainty = 0
| observation_arc = 74.42 yr (27,182 days)
| aphelion = 2.4565 AU
| perihelion = 1.9925 AU
| semimajor = 2.2245 AU
| eccentricity = 0.1043
| period = 3.32 yr (1,212 days)
| mean_anomaly = 194.88°
| inclination = 2.9731°
| asc_node = 307.60°
| arg_peri = 117.70°
| dimensions = {{val|6.084|0.080}} km[4]
| rotation =
| albedo = {{val|0.231|0.076}}[4]
| spectral_type =
| abs_magnitude = 13.4
}}3412 Kafka, provisional designation {{mp|1983 AU|2}}, is an asteroid from the inner regions of the asteroid belt, approximately 6 kilometers in diameter. It was discovered on 10 January 1983, by American astronomers Randolph Kirk and Donald Rudy at Palomar Observatory in California, United States.[7]{{sfn|Edberg|Levy|1994|p=80}} The asteroid was named after writer Franz Kafka.[2]

Orbit and classification

Kafka orbits the Sun in the inner main-belt at a distance of 2.0–2.5 AU once every 3 years and 4 months (1,212 days). Its orbit has an eccentricity of 0.10 and an inclination of 3° with respect to the ecliptic. It was first identified as {{mp|1942 YB}} at the Finnish Turku Observatory in 1942, extending the body's observation arc by 41 years prior to its official discovery observation at Palomar.[7]

Physical characteristics

According to the survey carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Kafka measures 6.1 kilometers in diameter and its surface has an albedo of 0.231.[4] As of 2017, its rotation period and shape remain unknown.[13]

Naming

This minor planet was named after Franz Kafka (1883–1924), Austrian–Czech writer of novels and short stories, in which protagonists are faced with bizarre or surrealistic situations.[2] The approved naming citation was published by the Minor Planet Center on 13 February 1987 ({{small|M.P.C. 11641}}).[15]

References

1. ^{{cite book |title = Dictionary of Minor Planet Names – (3412) Kafka |last = Schmadel | first = Lutz D. |publisher = Springer Berlin Heidelberg |page = 284 |date = 2007 |isbn = 978-3-540-00238-3 |doi = 10.1007/978-3-540-29925-7_3412 |chapter = (3412) Kafka }}
2. ^{{cite web |title = 3412 Kafka (1983 AU2) |work = Minor Planet Center |url = http://www.minorplanetcenter.net/db_search/show_object?object_id=3412 |accessdate = 5 December 2016}}
3. ^{{cite web |title = MPC/MPO/MPS Archive |work = Minor Planet Center |url = http://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html |accessdate = 5 December 2016}}
4. ^{{cite journal |display-authors = 6 |first1 = Joseph R. |last1 = Masiero |first2 = T. |last2 = Grav |first3 = A. K. |last3 = Mainzer |first4 = C. R. |last4 = Nugent |first5 = J. M. |last5 = Bauer |first6 = R. |last6 = Stevenson |first7 = S. |last7 = Sonnett |date = August 2014 |title = Main-belt Asteroids with WISE/NEOWISE: Near-infrared Albedos |url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2014ApJ...791..121M |journal = The Astrophysical Journal |volume = 791 |issue = 2 |page = 11 |bibcode = 2014ApJ...791..121M |doi = 10.1088/0004-637X/791/2/121 |arxiv = 1406.6645 |access-date= 5 December 2016}}
5. ^{{cite web |title = LCDB Data for (3412) Kafka |publisher = Asteroid Lightcurve Database (LCDB) |url = http://www.minorplanet.info/PHP/GenerateALCDEFPage_Local.php?AstInfo=3412%7CKafka |accessdate = 17 June 2017}}
[1][2][3][4][5]

}}

External links

  • Asteroid Lightcurve Database (LCDB), query form (info)
  • [https://books.google.com/books?id=aeAg1X7afOoC&pg 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
  • {{JPL small body}}
{{Minor planets navigator|3411 Debetencourt|number=3412|3413 Andriana}}{{Small Solar System bodies}}{{DEFAULTSORT:Kafka}}

5 : Flora asteroids|Minor planets named for people|Named minor planets|Franz Kafka|Astronomical objects discovered in 1983

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