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词条 6025 Naotosato
释义

  1. Orbit and classification

  2. Physical characteristics

      Rotation period    Diameter and albedo  

  3. Naming

  4. References

  5. External links

{{Infobox planet
| minorplanet = yes
| name = 6025 Naotosato
| background = #D6D6D6
| image =
| image_size =
| caption =
| discovery_ref =  
| discovered = 30 December 1992
| discoverer = T. Urata
| discovery_site = Nihondaira Obs.
| mpc_name = (6025) Naotosato
| alt_names = {{mp|1992 YA|3}}{{·}}{{mp|1954 SG|1}}
1965 UO{{·}}1977 BK
{{mp|1983 EE|1}}{{·}}{{mp|1986 TL|11}}
{{mp|1987 YS|2}}{{·}}{{mp|1990 HF|2}}
{{mp|1991 RS|29}}
| pronounced =
| named_after = Naoto Satō
{{small|(Japanese astronomer)}}[2]
| mp_category = main-belt{{·}}Eos [3]
| orbit_ref =  
| epoch = 4 September 2017 (JD 2458000.5)
| uncertainty = 0
| observation_arc = 62.68 yr (22,895 days)
| aphelion = 3.2334 AU
| perihelion = 2.8116 AU
| semimajor = 3.0225 AU
| eccentricity = 0.0698
| period = 5.25 yr (1,919 days)
| mean_anomaly = 276.73°
| mean_motion = {{Deg2DMS|0.1876|sup=ms}} / day
| inclination = 8.9985°
| asc_node = 280.24°
| arg_peri = 160.02°
| dimensions = 17.80 km {{small|(calculated)}}[3]
{{val|18.442|0.135}}[6]
{{val|19.90|0.91}} km[7]
{{val|19.968|0.172}} km[8]
| rotation = {{val|10}} h[9]
| albedo = 0.14 {{small|(assumed)}}[3]
{{val|0.1475|0.0099}}[8]
{{val|0.162|0.016}}[7]
{{val|0.188|0.040}}[6]
| spectral_type = S [3]
| abs_magnitude = 11.2[7][8]{{·}}11.5[3]{{·}}{{val|11.70|0.28}}[19]
}}6025 Naotosato, provisional designation {{mp|1992 YA|3}}, is an Eoan asteroid from the outer region of the asteroid belt, approximately 19 kilometers in diameter. It was discovered on 30 December 1992, by Japanese astronomer Takeshi Urata at the Nihondaira Observatory in Oohira, Japan.[20] The asteroid was named after Japanese amateur astronomer Naoto Satō.[2]

Orbit and classification

Naotosato is a member of the Eos family ({{small|606}}), the largest asteroid family in the outer main belt, consisting of nearly 10,000 asteroids.

It orbits the Sun at a distance of 2.8–3.2 AU once every 5 years and 3 months (1,919 days). Its orbit has an eccentricity of 0.07 and an inclination of 9° with respect to the ecliptic. The first observation was made at Goethe Link Observatory in 1954, extending the asteroid's observation arc by 38 years prior to its discovery.[20]

Physical characteristics

Rotation period

In September 2009, a rotational lightcurve of Naotosato was obtained from photometric observations by French astronomer René Roy. The fragmentary lightcurve gave a longer-than average rotation period of 10 hours with a brightness amplitude of 0.20 in magnitude ({{small|U=1}}).[9]

Diameter and albedo

According to the surveys carried out by the Japanese Akari satellite and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Naotosato measures between 18.4 and 20.0 kilometers in diameter and its surface has an albedo between 0.148 and 0.188,[6][7][8] while the Collaborative Asteroid Lightcurve Link assumes an albedo of 0.14 and calculates a diameter of 17.8 kilometers with an absolute magnitude of 11.5.[3]

Naming

This minor planet was named after Japanese amateur astronomer Naoto Satō (born 1953), by profession a junior high school science teacher and a prolific discoverer of minor planets from his private Chichibu Observatory himself. He has also prediscovered C/1989 Y2, a parabolic comet credited to McKenzie–Russell.[2] The official naming citation was published by the Minor Planet Center on 2 February 1999 ({{small|M.P.C. 33786}}).[30]

References

1. ^{{cite book |title = Dictionary of Minor Planet Names – (6025) Naotosato |last = Schmadel | first = Lutz D. |publisher = Springer Berlin Heidelberg |page = 504 |date = 2007 |isbn = 978-3-540-00238-3 |doi = 10.1007/978-3-540-29925-7_5598 |chapter = (6025) Naotosato }}
2. ^{{cite web |title = 6025 Naotosato (1992 YA3) |work = Minor Planet Center |url = http://www.minorplanetcenter.net/db_search/show_object?object_id=6025 |accessdate = 27 July 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 = 27 July 2016}}
4. ^{{cite web |title = Asteroids and comets rotation curves – (6025) Naotosato |last = Behrend |first = Raoul |publisher = Geneva Observatory |url = http://obswww.unige.ch/~behrend/page5cou.html#006025 |accessdate = 27 July 2016}}
5. ^{{cite web |title = LCDB Data for (6025) Naotosato |publisher = Asteroid Lightcurve Database (LCDB) |url = http://www.minorplanet.info/PHP/GenerateALCDEFPage_Local.php?AstInfo=6025%7CNaotosato |accessdate = 27 July 2016}}
6. ^{{cite journal |display-authors = 6 |first1 = Fumihiko |last1 = Usui |first2 = Daisuke |last2 = Kuroda |first3 = Thomas G. |last3 = Müller |first4 = Sunao |last4 = Hasegawa |first5 = Masateru |last5 = Ishiguro |first6 = Takafumi |last6 = Ootsubo |first7 = Daisuke |last7 = Ishihara |first8 = Hirokazu |last8 = Kataza |first9 = Satoshi |last9 = Takita |first10 = Shinki |last10 = Oyabu |first11 = Munetaka |last11 = Ueno |first12 = Hideo |last12 = Matsuhara |first13 = Takashi |last13 = Onaka |date = October 2011 |title = Asteroid Catalog Using Akari: AKARI/IRC Mid-Infrared Asteroid Survey |url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2011PASJ...63.1117U |journal = Publications of the Astronomical Society of Japan |volume = 63 |issue = 5 |pages = 1117–1138 |bibcode = 2011PASJ...63.1117U |doi = 10.1093/pasj/63.5.1117 |access-date= 27 July 2016}}
7. ^{{cite journal |display-authors = 6 |first1 = A. |last1 = Mainzer |first2 = T. |last2 = Grav |first3 = J. |last3 = Masiero |first4 = E. |last4 = Hand |first5 = J. |last5 = Bauer |first6 = D. |last6 = Tholen |first7 = R. S. |last7 = McMillan |first8 = T. |last8 = Spahr |first9 = R. M. |last9 = Cutri |first10 = E. |last10 = Wright |first11 = J. |last11 = Watkins |first12 = W. |last12 = Mo |first13 = C. |last13 = Maleszewski |date = November 2011 |title = NEOWISE Studies of Spectrophotometrically Classified Asteroids: Preliminary Results |journal = The Astrophysical Journal |volume = 741 |issue = 2 |page = 25 |bibcode = 2011ApJ...741...90M |doi = 10.1088/0004-637X/741/2/90 |arxiv = 1109.6407 }}
8. ^{{cite journal |display-authors = 6 |first1 = Peter |last1 = Veres |first2 = Robert |last2 = Jedicke |first3 = Alan |last3 = Fitzsimmons |first4 = Larry |last4 = Denneau |first5 = Mikael |last5 = Granvik |first6 = Bryce |last6 = Bolin |first7 = Serge |last7 = Chastel |first8 = Richard J. |last8 = Wainscoat |first9 = William S. |last9 = Burgett |first10 = Kenneth C. |last10 = Chambers |first11 = Heather |last11 = Flewelling |first12 = Nick |last12 = Kaiser |first13 = Eugen A. |last13 = Magnier |first14 = Jeff S. |last14 = Morgan |first15 = Paul A. |last15 = Price |first16 = John L. |last16 = Tonry |first17 = Christopher |last17 = Waters |date = November 2015 |title = Absolute magnitudes and slope parameters for 250,000 asteroids observed by Pan-STARRS PS1 - Preliminary results |url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015Icar..261...34V |journal = Icarus |volume = 261 |pages = 34–47 |bibcode = 2015Icar..261...34V |doi = 10.1016/j.icarus.2015.08.007 |arxiv = 1506.00762 |access-date= 27 July 2016}}
9. ^{{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}}
[1][2][3][4][5][6][7][8][9]

}}

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 (5001)-(10000) – Minor Planet Center
  • {{JPL small body}}
{{Minor planets navigator|6024 Ochanomizu |number=6025|6026 Xenophanes}}{{Small Solar System bodies}}{{DEFAULTSORT:Naotosato}}

5 : Eos asteroids|Discoveries by Takeshi Urata|Minor planets named for people|Named minor planets|Astronomical objects discovered in 1992

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