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词条 1671 Chaika
释义

  1. Orbit and classification

  2. Naming

  3. Physical characteristics

      Rotation period    Diameter and albedo  

  4. References

  5. External links

{{Infobox planet
| minorplanet = yes
| name = 1671 Chaika
| background = #D6D6D6
| image =
| image_size =
| caption =
| discovery_ref =  [1]
| discoverer = G. Neujmin
| discovery_site = Simeiz Obs.
| discovered = 3 October 1934
| mpc_name = (1671) Chaika
| alt_names = 1934 TD{{·}}1930 WE
1952 BX{{·}}1955 XA
1963 SO{{·}}1971 RC
A907 GM
| pronounced =
| named_after = Valentina Tereshkova [2]
{{small|(Soviet cosmonaut)}}
| mp_category = main-belt [1]{{·}}{{small|(middle)}}
{{nowrap|background [5]{{·}}Astraea [6]}}
| orbit_ref =  
| epoch = 27 April 2019 (JD 2458600.5)
| uncertainty = 0
| observation_arc = 87.90 yr (32,107 d)
| aphelion = 3.2516 AU
| perihelion = 1.9223 AU
| semimajor = 2.5870 AU
| eccentricity = 0.2569
| period = 4.16 yr (1,520 d)
| mean_anomaly = 80.231°
| mean_motion = {{Deg2DMS|0.2369|sup=ms}} / day
| inclination = 3.9660°
| asc_node = 177.17°
| arg_peri = 250.27°
| mean_diameter = {{val|7.478|0.728|ul=km}}[8]
{{val|9.37|0.46|u=km}}[9]
{{val|10.222|0.048|u=km}}[10]
{{val|13.29|1.71|u=km}}[11]
| rotation = {{val|3.7718|0.0002|ul=h}}[12]
| albedo = {{val|0.120}}[8]
{{val|0.145}}[11]
{{val|0.2463}}[10]
{{val|0.291}}[9]
| spectral_type = S {{small|(assumed)}}[17]
| abs_magnitude = 12.1[1][8][9][10][11][17]
}}1671 Chaika, provisional designation {{mp|1934 TD}}, is a background asteroid from the Astraea region in the central asteroid belt, approximately {{convert|10|km|mi|abbr=off|sigfig=1|sp=us}} in diameter. It was discovered on 3 October 1934, by Soviet astronomer Grigory Neujmin at the Simeiz Observatory on the Crimean peninsula.[1] The assumed S-type asteroid has a rotation period of 3.8 hours.[17] It was named for Soviet cosmonaut Valentina Tereshkova.[2]

Orbit and classification

According to a HCM-analysis by Nesvorný, Chaika is a non-family asteroid from the main belt's background population,[5] while for Milani and Knežević, it is a member of the larger Astraea family, named after 5 Astraea.[6] The Astraea family is not recognized by Nesvorný as a collisional asteroid family, who rather considers it an artifact in the model due to a resonant alignment.[30]

It orbits the Sun in the central asteroid belt at a distance of 1.9–3.3 AU once every 4 years and 2 months (1,520 days; semi-major axis of 2.59 AU). Its orbit has an eccentricity of 0.26 and an inclination of 4° with respect to the ecliptic. The asteroid was first observed at the Lowell Observatory in April 1907. The body's observation arc begins at the Tokyo Observatory {{Obscode|389}} in November 1930, almost 4 years prior to its official discovery observation at Simeiz–Crimea.[1]

Naming

This minor planet was named in honor of Soviet cosmonaut Valentina "Chaika" Tereshkova (born 1937). Tereshkova received the call sign "Chaika" – the Russian word for seagull – as she was the first woman to fly in space.[2] The asteroid's name was proposed by the Institute of Theoretical Astronomy (ITA) in St Petersburg. The official {{MoMP|1671|naming citation}} was published by the Minor Planet Center before November 1977 ({{small|M.P.C. 2740}}).[34]

Physical characteristics

Chaika is an assumed, stony S-type asteroid.[17]

Rotation period

In November 2005, a rotational lightcurve of Chaika was obtained from photometric observations by Italian astronomers Roberto Crippa, Federico Manzini and Josep Coloma. Lightcurve analysis gave a rotation period of {{val|3.7718|0.0002}} hours with a brightness variation of 0.18 magnitude ({{small|U=3}}).[12] John Menke in collaboration with Walter Cooney and David Higgins determined a concurring period of {{val|3.774|0.003}} hours with an amplitude of 0.20 magnitude ({{small|U=3}}).[37]

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, Chaika measures between 7.5 and 13.3 kilometers in diameter and its surface has an albedo between 0.12 and 0.29.[8][9][10][11] The Collaborative Asteroid Lightcurve Link assumes a standard albedo for a stony asteroid of 0.20 and calculates a diameter of 11.30 kilometers based on an absolute magnitude of 12.1.[17]

References

1. ^1 2 3 {{cite book |title = Dictionary of Minor Planet Names – (1671) Chaika |last = Schmadel | first = Lutz D. |publisher = Springer Berlin Heidelberg |page = 133 |date = 2007 |isbn = 978-3-540-00238-3 |doi = 10.1007/978-3-540-29925-7_1672 |chapter = (1671) Chaika }}
2. ^1 2 3 4 5 {{cite web |title = 1671 Chaika (1934 TD) |work = Minor Planet Center |url = https://www.minorplanetcenter.net/db_search/show_object?object_id=1671 |accessdate = 10 December 2018}}
3. ^1 {{cite web |title = MPC/MPO/MPS Archive |work = Minor Planet Center |url = https://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html |accessdate = 10 December 2018}}
4. ^1 2 {{cite web |title = Asteroids and comets rotation curves – (1671) Chaika |last = Behrend |first = Raoul |publisher = Geneva Observatory |url = http://obswww.unige.ch/~behrend/page4cou.html#001671 |accessdate = 10 December 2018}}
5. ^1 2 {{cite web |title = Asteroid (1671) Chaika – Proper elements |publisher = AstDyS-2, Asteroids – Dynamic Site |url = http://hamilton.dm.unipi.it/astdys/index.php?n=1671&pc=1.1.6 |accessdate = 10 December 2018}}
6. ^1 2 {{cite web |title = Asteroid 1671 Chaika |work = Small Bodies Data Ferret |url = https://sbntools.psi.edu/ferret/SimpleSearch/results.action?targetName=1671+Chaika |accessdate = 10 December 2018}}
7. ^1 {{Cite book |first1 = D. |last1 = Nesvorný |first2 = M. |last2 = Broz |first3 = V. |last3 = Carruba |date = December 2014 |title = Identification and Dynamical Properties of Asteroid Families |journal = Asteroids IV |pages = 297–321 |bibcode = 2015aste.book..297N |doi = 10.2458/azu_uapress_9780816532131-ch016 |arxiv = 1502.01628 |isbn = 9780816532131 }}
8. ^1 2 3 4 5 {{cite web |title = LCDB Data for (1671) Chaika |publisher = Asteroid Lightcurve Database (LCDB) |url = http://www.minorplanet.info/PHP/GenerateALCDEFPage_Local.php?AstInfo=1671%7CChaika |accessdate = 10 December 2018}}
9. ^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)
10. ^1 2 3 4 {{Cite journal |first1 = Sunao |last1 = Hasegawa |first2 = Thomas G. |last2 = Müller |first3 = Daisuke |last3 = Kuroda |first4 = Satoshi |last4 = Takita |first5 = Fumihiko |last5 = Usui |date = April 2013 |title = The Asteroid Catalog Using AKARI IRC Slow-Scan Observations |journal = Publications of the Astronomical Society of Japan |volume = 65 |issue = 2 |page = 11 |bibcode = 2013PASJ...65...34H |doi = 10.1093/pasj/65.2.34 |arxiv = 1210.7557 }}
11. ^1 2 3 4 {{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 |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 }}
12. ^1 2 3 4 {{cite journal |display-authors = 6 |first1 = A. K. |last1 = Mainzer |first2 = J. M. |last2 = Bauer |first3 = R. M. |last3 = Cutri |first4 = T. |last4 = Grav |first5 = E. A. |last5 = Kramer |first6 = J. R. |last6 = Masiero |first7 = C. R. |last7 = Nugent |first8 = S. M. |last8 = Sonnett |first9 = R. A. |last9 = Stevenson |first10 = E. L. |last10 = Wright |date = June 2016 |title = NEOWISE Diameters and Albedos V1.0 |url = https://sbnarchive.psi.edu/pds3/non_mission/EAR_A_COMPIL_5_NEOWISEDIAM_V1_0/data/neowise_mainbelt.tab |journal = NASA Planetary Data System |pages = EAR-A-COMPIL-5-NEOWISEDIAM-V1.0 |bibcode = 2016PDSS..247.....M |access-date= 10 December 2018}}
13. ^1 {{Cite journal |first1 = John |last1 = Menke |first2 = Walt |last2 = Cooney |first3 = John |last3 = Gross |first4 = Dirk |last4 = Terrell |first5 = David |last5 = Higgins |date = October 2008 |title = Asteroid Lightcurve Analysis at Menke Observatory |url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2008MPBu...35..155M |journal = The Minor Planet Bulletin |volume = 35 |issue = 4 |pages = 155–160 |issn = 1052-8091 |bibcode = 2008MPBu...35..155M |access-date= 10 December 2018}}
[1][2][3][4][5][6][7][8][9][10][11][12][13]

}}

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
  • [https://www.minorplanetcenter.net/iau/lists/NumberedMPs000001.html Discovery Circumstances: Numbered Minor Planets (1)-(5000)] – Minor Planet Center
  • {{AstDys|1671}}
  • {{JPL small body}}
{{Use dmy dates|date=December 2018}}{{Minor planets navigator |1670 Minnaert |number=1671 |1672 Gezelle}}{{Small Solar System bodies}}{{DEFAULTSORT:Chaika}}

6 : Background asteroids|Discoveries by Grigory Neujmin|Minor planets named for people|Named minor planets|Valentina Tereshkova|Astronomical objects discovered in 1934
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