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词条 2197 Shanghai
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 = 2197 Shanghai
| background = #D6D6D6
| image =
| image_size =
| caption =
| discovery_ref =  
| discovered = 30 December 1965
| discoverer = Purple Mountain Obs.
| discovery_site = Purple Mountain Obs.
| mpc_name = (2197) Shanghai
| alt_names = 1965 YN{{·}}1942 VN
1955 DA{{·}}1964 UN
1967 JT{{·}}1975 SD
| pronounced =
| named_after = Shanghai {{small|(Chinese city)}}[2]
| mp_category = main-belt{{·}}Themis [3]
| orbit_ref =  
| epoch = 4 September 2017 (JD 2458000.5)
| uncertainty = 0
| observation_arc = 62.10 yr (22,682 days)
| aphelion = 3.5508 AU
| perihelion = 2.7595 AU
| semimajor = 3.1551 AU
| eccentricity = 0.1254
| period = 5.60 yr (2,047 days)
| mean_anomaly = 60.923°
| mean_motion = {{Deg2DMS|0.1759|sup=ms}} / day
| inclination = 2.4980°
| asc_node = 56.369°
| arg_peri = 70.991°
| dimensions = {{val|20.198|0.136}} km[6]
{{val|20.20|0.14}} km[3][6]
22.23 km {{small|(derived)}}[3]
{{val|23.88|0.70}} km[10]
| rotation = {{val|5.9384|0.0023}} h[11]
{{val|5.99|0.05}} h[12]
| albedo = 0.0898 {{small|(derived)}}[3]
{{val|0.106|0.007}}[10]
{{val|0.119|0.014}}[6]
| spectral_type = C [3]
| abs_magnitude = 11.20[10]{{·}}11.40[6]{{·}}{{val|11.304|0.001}} {{small|(R)}}[11]{{·}}11.5[3]{{·}}{{val|11.54|0.19}}[22]
}}

2197 Shanghai, provisional designation {{mp|1965 YN}}, is a carbonaceous Themistian asteroid from the outer region of the asteroid belt, approximately 22 kilometers in diameter.

The asteroid was discovered on 30 December 1965, by astronomers at the Purple Mountain Observatory in Nanking, China, and named after the city of Shanghai.[2][24]

Orbit and classification

Shanghai is a member of the Themis family, a dynamical family of outer-belt asteroids with nearly coplanar ecliptical orbits. It orbits the Sun at a distance of 2.8–3.6 AU once every 5 years and 7 months (2,047 days). Its orbit has an eccentricity of 0.13 and an inclination of 2° with respect to the ecliptic.

Physical characteristics

The dark body has been characterized as a C-type asteroid.[3]

Rotation period

In December 2010, a rotational lightcurve of Shanghai was obtained for this asteroid from photometric observations taken at the U.S. Palomar Transient Factory in California. It gave a rotation period of {{val|5.9384}} hours with a brightness variation of 0.16 magnitude ({{small|U=2}}).[11]

One month later in January 2011, a similar period of {{val|5.99}} hours with an amplitude of 0.16 magnitude was derived by French amateur astronomer Pierre Antonini ({{small|U=2}}).[12]

Diameter and albedo

According to the surveys carried out by the Japanese Akari satellite and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Shanghai measures 20.2 and 23.9 kilometers in diameter and its surface has an albedo of 0.119 and 0.106, respectively.[6][10] The Collaborative Asteroid Lightcurve Link derives an albedo of 0.0898 and a diameter of 22.2 kilometers with an absolute magnitude of 11.5.[3]

Naming

This minor planet is named after Shanghai, the most populous city of China (pop. 24 million as of 2014). Located in the Yangtze River Delta in eastern China, it has the world's busiest container port.[2] The official naming citation was published by the Minor Planet Center on 1 June 1981 ({{small|M.P.C. 6059}}).[33]

References

1. ^{{cite book |title = Dictionary of Minor Planet Names – (2197) Shanghai |last = Schmadel | first = Lutz D. |publisher = Springer Berlin Heidelberg |page = 179 |date = 2007 |isbn = 978-3-540-00238-3 |doi = 10.1007/978-3-540-29925-7_2198 |chapter = (2197) Shanghai }}
2. ^{{cite web |title = 2197 Shanghai (1965 YN) |work = Minor Planet Center |url = https://www.minorplanetcenter.net/db_search/show_object?object_id=2197 |accessdate = 1 September 2016}}
3. ^{{cite web |title = MPC/MPO/MPS Archive |work = Minor Planet Center |url = https://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html |accessdate = 1 September 2016}}
4. ^{{cite web |title = Asteroids and comets rotation curves – (2197) Shanghai |last = Behrend |first = Raoul |publisher = Geneva Observatory |url = http://obswww.unige.ch/~behrend/page4cou.html#002197 |accessdate = 1 September 2016}}
5. ^{{cite web |title = LCDB Data for (2197) Shanghai |publisher = Asteroid Lightcurve Database (LCDB) |url = http://www.minorplanet.info/PHP/GenerateALCDEFPage_Local.php?AstInfo=2197%7CShanghai |accessdate = 1 September 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://pasj.oxfordjournals.org/content/63/5/1117.full.pdf+html |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= 1 September 2016}} Online catalog
7. ^{{cite journal |display-authors = 6 |first1 = Joseph R. |last1 = Masiero |first2 = A. K. |last2 = Mainzer |first3 = T. |last3 = Grav |first4 = J. M. |last4 = Bauer |first5 = R. M. |last5 = Cutri |first6 = C. |last6 = Nugent |first7 = M. S. |last7 = Cabrera |date = November 2012 |title = Preliminary Analysis of WISE/NEOWISE 3-Band Cryogenic and Post-cryogenic Observations of Main Belt Asteroids |url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2012ApJ...759L...8M |journal = The Astrophysical Journal Letters |volume = 759 |issue = 1 |page = 5 |bibcode = 2012ApJ...759L...8M |doi = 10.1088/2041-8205/759/1/L8 |arxiv = 1209.5794 |access-date= 1 September 2016}}
8. ^{{cite journal |display-authors = 6 |first1 = Adam |last1 = Waszczak |first2 = Chan-Kao |last2 = Chang |first3 = Eran O. |last3 = Ofek |first4 = Russ |last4 = Laher |first5 = Frank |last5 = Masci |first6 = David |last6 = Levitan |first7 = Jason |last7 = Surace |first8 = Yu-Chi |last8 = Cheng |first9 = Wing-Huen |last9 = Ip |first10 = Daisuke |last10 = Kinoshita |first11 = George |last11 = Helou |first12 = Thomas A. |last12 = Prince |first13 = Shrinivas |last13 = Kulkarni |date = September 2015 |title = Asteroid Light Curves from the Palomar Transient Factory Survey: Rotation Periods and Phase Functions from Sparse Photometry |url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015AJ....150...75W |journal = The Astronomical Journal |volume = 150 |issue = 3 |page = 35 |bibcode = 2015AJ....150...75W |doi = 10.1088/0004-6256/150/3/75 |arxiv = 1504.04041 |access-date= 1 September 2016}}
9. ^{{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= 1 September 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 (1)-(5000) – Minor Planet Center
  • {{JPL small body}}
{{Minor planets navigator|2196 Ellicott|number=2197|2198 Ceplecha}}{{Small Solar System bodies}}{{DEFAULTSORT:Shanghai}}

5 : Themis asteroids|Discoveries by the Purple Mountain Observatory|Minor planets named for places|Named minor planets|Astronomical objects discovered in 1965

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