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词条 5635 Cole
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 = 5635 Cole
| background = #D6D6D6
| image =
| image_size =
| caption =
| discovery_ref =  [1]
| discoverer = S. J. Bus
| discovery_site = Siding Spring Obs.
| discovered = 2 March 1981
| mpc_name = (5635) Cole
| alt_names = {{mp|1981 ER|5}}{{·}}{{mp|1986 XC|5}}
{{mp|1988 CO|5}}
| pronounced =
| named_after = Joshua Cole [1]
{{small|(fictional character)}}
| mp_category = main-belt [1]{{·}}{{small|(inner)}}
background [5]
| orbit_ref =  
| epoch = 23 March 2018 (JD 2458200.5)
| uncertainty = 0
| observation_arc = 37.20 yr (13,588 d)
| aphelion = 3.0272 AU
| perihelion = 1.7431 AU
| semimajor = 2.3851 AU
| eccentricity = 0.2692
| period = 3.68 yr (1,345 d)
| mean_anomaly = 248.82°
| mean_motion = {{Deg2DMS|0.2676|sup=ms}} / day
| inclination = 7.3102°
| asc_node = 274.08°
| arg_peri = 54.118°
| mean_diameter = {{val|3.51|0.80|ul=km}}[7]
{{val|4.263|0.620|u=km}}[8][9]
{{val|4.71|u=km}} {{small|(calculated)}}[10]
| rotation = {{val|5.792|0.001|ul=h}}[11]
{{val|5.7937|0.0001|u=h}}[12]
| albedo = {{val|0.20}} {{small|(assumed)}}[10]
{{val|0.29|0.14}}[7]
{{val|0.294|0.100}}[8][9]
| spectral_type = S {{small|(assumed)}}[10]
LS {{small|(SDSS-MOC)}}[18]
| abs_magnitude = 13.8[9]
14.0[10]
14.33[7]
}}5635 Cole, provisional designation {{mp|1981 ER|5}}, is a background asteroid from the inner regions of the asteroid belt, approximately {{convert|4|km|mi|abbr=off|sigfig=2|sp=us}} in diameter. It was discovered on 2 March 1981, by American astronomer Schelte Bus at the Siding Spring Observatory in Australia.[1] The L/S-type asteroid has a rotation period of 5.79 hours.[10] It was named after the fictional character Joshua Cole.[1]

Orbit and classification

Cole is a non-family asteroid from the main belt's background population.[5] It orbits the Sun in the inner main-belt at a distance of 1.7–3.0 AU once every 3 years and 8 months (1,345 days; semi-major axis of 2.39 AU). Its orbit has an eccentricity of 0.27 and an inclination of 7° with respect to the ecliptic. The body's observation arc begins with a precovery taken at the discovering Siding Spring Observatory on 9 February 1981, or four weeks prior to its official discovery observation.[1]

Physical characteristics

In the Moving Object Catalog of the Sloan Digital Sky Survey, Cole has a spectral type is closest to an L-type asteroid followed by the common, stony S-type.[18] The Collaborative Asteroid Lightcurve Link also assume it to be an S-type asteroid.[10]

Rotation period

In September 2004, two rotational lightcurves of Cole were obtained from photometric observations by Donald Pray, Silvano Casulli, René Roy. Lightcurve analysis gave a well-defined rotation period of 5.792 and 5.7937 hours with a brightness amplitude of 0.33 and 0.30 magnitude, respectively ({{small|U=3/3}}).[11][12]

Diameter and albedo

According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Cole measures between 3.51 and 4.263 kilometers in diameter and its surface has an albedo between 0.29 and 0.294,[7][8][9] while the Collaborative Asteroid Lightcurve Link assumes a standard albedo for a stony asteroids of 0.20, and calculates a diameter of 4.71 kilometers based on an absolute magnitude of 14.0.[10]

Naming

This minor planet was named after fictional character Joshua Cole in the novel Cole of Spyglass Mountain (1923) by Arthur Preston Hankins. The protagonist, reminiscent of Oliver Twist, is an amateur astronomer in a dystopian society where boys receive numbers instead of names. In the novel, Cole's number is 5635 and corresponds to this asteroid's numbering.[1] The official naming citation was prepared by David H. Levy and published by the Minor Planet Center on 14 December 1997 ({{small|M.P.C. 31024}}).[38]

References

1. ^1 2 3 4 5 6 7 {{cite web |title = 5635 Cole (1981 ER5) |work = Minor Planet Center |url = https://www.minorplanetcenter.net/db_search/show_object?object_id=5635 |accessdate = 16 May 2018}}
2. ^1 {{cite web |title = MPC/MPO/MPS Archive |work = Minor Planet Center |url = https://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html |accessdate = 16 May 2018}}
3. ^1 2 {{cite web |title = Asteroids and comets rotation curves – (5635) Cole |last = Behrend |first = Raoul |publisher = Geneva Observatory |url = http://obswww.unige.ch/~behrend/page5cou.html#005635 |accessdate = 16 May 2018}}
4. ^1 2 3 {{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 = J. |last6 = Dailey |first7 = P. R. M. |last7 = Eisenhardt |first8 = R. S. |last8 = McMillan |first9 = T. B. |last9 = Spahr |first10 = M. F. |last10 = Skrutskie |first11 = D. |last11 = Tholen |first12 = R. G. |last12 = Walker |first13 = E. L. |last13 = Wright |first14 = E. |last14 = DeBaun |first15 = D. |last15 = Elsbury |first16 = T., IV |last16 = Gautier |first17 = S. |last17 = Gomillion |first18 = A. |last18 = Wilkins |date = November 2011 |title = Main Belt Asteroids with WISE/NEOWISE. I. Preliminary Albedos and Diameters |journal = The Astrophysical Journal |volume = 741 |issue = 2 |page = 20 |bibcode = 2011ApJ...741...68M |doi = 10.1088/0004-637X/741/2/68 |arxiv = 1109.4096 }}
5. ^1 2 {{Cite journal |first1 = J. M. |last1 = Carvano |first2 = P. H. |last2 = Hasselmann |first3 = D. |last3 = Lazzaro |first4 = T. |last4 = Mothé-Diniz |date = February 2010 |title = SDSS-based taxonomic classification and orbital distribution of main belt asteroids |url = https://sbn.psi.edu/pds/asteroid/EAR_A_I0035_5_SDSSTAX_V1_1/data/sdsstax_ast_table.tab |journal = Astronomy and Astrophysics |volume = 510 |page = 12 |bibcode = 2010A&A...510A..43C |doi = 10.1051/0004-6361/200913322 |access-date = 15 May 2018 |archive-url = https://web.archive.org/web/20180502064602/https://sbn.psi.edu/pds/asteroid/EAR_A_I0035_5_SDSSTAX_V1_1/data/sdsstax_ast_table.tab |archive-date = 2 May 2018 |dead-url = yes |df = dmy-all }}
6. ^1 2 {{cite web |title = Asteroid 5635 Cole |work = Small Bodies Data Ferret |url = https://sbntools.psi.edu/ferret/SimpleSearch/results.action?targetName=5635%20Cole |accessdate = 15 May 2018}}
7. ^1 2 3 4 5 6 7 {{cite web |title = LCDB Data for (5635) Cole |publisher = Asteroid Lightcurve Database (LCDB) |url = http://www.minorplanet.info/PHP/GenerateALCDEFPage_Local.php?AstInfo=5635%7CCole |accessdate = 16 May 2018}}
8. ^1 2 3 4 {{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 }} (catalog)
9. ^1 2 3 4 {{cite journal |display-authors = 6 |first1 = C. R. |last1 = Nugent |first2 = A. |last2 = Mainzer |first3 = J. |last3 = Bauer |first4 = R. M. |last4 = Cutri |first5 = E. A. |last5 = Kramer |first6 = T. |last6 = Grav |first7 = J. |last7 = Masiero |first8 = S. |last8 = Sonnett |first9 = E. L. |last9 = Wright |date = September 2016 |title = NEOWISE Reactivation Mission Year Two: Asteroid Diameters and Albedos |journal = The Astronomical Journal |volume = 152 |issue = 3 |page = 12 |bibcode = 2016AJ....152...63N |doi = 10.3847/0004-6256/152/3/63 |arxiv = 1606.08923 }}
10. ^1 2 {{Cite journal |author = Pray, Donald P. |date = September 2005 |title = Lightcurve analysis of asteroids 106, 752, 847, 1057, 1630, 1670, 1927 1936, 2426, 2612, 2647, 4087, 5635, 5692, and 6235 |journal = The Minor Planet Bulletin |volume = 32 |issue = 3 |pages = 48–51 |issn = 1052-8091 |bibcode = 2005MPBu...32...48P }}
[1][2][3][4][5][6][7][8][9][10]

}}

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
  • {{AstDys|5635}}
  • {{JPL small body}}
{{Use dmy dates|date=May 2018}}{{Minor planets navigator |5634 Victorborge |number=5635 |5636 Jacobson}}{{Small Solar System bodies}}{{DEFAULTSORT:Cole}}

5 : Background asteroids|Discoveries by Schelte J. Bus|Minor planets named for literary characters|Named minor planets|Astronomical objects discovered in 1981
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