Astronomy:1140 Crimea

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1140 Crimea
1140Crimea (Lightcurve Inversion).png
Lightcurve-based 3D-model of Crimea
Discovery[1]
Discovered byG. Neujmin
Discovery siteSimeiz Obs.
Discovery date30 December 1929
Designations
(1140) Crimea
Named afterCrimea
(Black Sea peninsula)[2]
1929 YC · A922 HA
Minor planet categorymain-belt · (middle)
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc82.04 yr (29,966 days)
|{{{apsis}}}|helion}}3.0846 AU
|{{{apsis}}}|helion}}2.4579 AU
2.7712 AU
Eccentricity0.1131
Orbital period4.61 yr (1,685 days)
Mean anomaly64.258°
Mean motion0° 12m 48.96s / day
Inclination14.136°
Longitude of ascending node72.139°
310.16°
Physical characteristics
Dimensions27.75±1.1 km (IRAS:13)[3]
28.87±0.36 km[4]
29.179±0.155 km [5]
29.554±0.205 km[6]
Rotation period9.77±0.01 h[7]
9.784±0.001 h[8]
9.7869±0.0005 h[9]
Geometric albedo0.160±0.023[5]
0.1615±0.0193[6]
0.167±0.005[4]
0.1772±0.014 (IRAS:13)[3]
S (Tholen)[1] · S (SMASS)[1]
S[10] · B–V = 0.916[1]
Absolute magnitude (H)9.58±0.55[11] · 10.28[1][3][4][6][10]


1140 Crimea, provisional designation 1929 YC, is a stony asteroid from the middle region of the asteroid belt, approximately 28 kilometers in diameter. It was discovered on 30 December 1929, by Soviet astronomer Grigory Neujmin at Simeiz Observatory on the Crimean peninsula, after which it was named.[2][12]

Orbit and classification

Crimea is a S-type asteroid in both the Tholen and SMASS taxonomic scheme. It orbits the Sun in the central main-belt at a distance of 2.5–3.1 AU once every 4 years and 7 months (1,685 days). Its orbit has an eccentricity of 0.11 and an inclination of 14° with respect to the ecliptic.[1] First identified as A922 HA at Simeiz in 1922, the body's observation arc begins at Uccle in 1935, or 16 years after its official discovery observation at Simeiz.[12]

Lightcurves

In April 2005, a rotational lightcurve of Crimea was obtained by American astronomer Robert Stephens at Santana Observatory in California. Lightcurve analysis gave a well-defined rotation period of 9.77 hours with a brightness variation of 0.30 magnitude ({{{1}}}).[7] Photometric observations by amateur astronomers Federico Manzini and Pierre Antonini in March 2014, gave a concurring period of 9.784 hours with an amplitude of 0.23 magnitude ({{{1}}}).[8] In addition, a modeled lightcurve using data from the Uppsala Asteroid Photometric Catalogue and other sources gave a period 9.7869 hours, as well as a spin axis of (12.0°, -73.0°) in ecliptic coordinates ({{{1}}}).[9]

Diameter and albedo

According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite, and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Crimea measures between 27.75 and 29.18 kilometers in diameter, and its surface has an albedo between 0.160 and 0.177 (without preliminary results).[3][4][5] The Collaborative Asteroid Lightcurve Link adopts the results obtained by IRAS, that is, an albedo of 0.1772 and a diameter of 27.75 kilometers with an absolute magnitude of 10.28.[10]

Naming

This minor planet was named for the Crimean Peninsula on the northern coast of the Black Sea, where the discovering Simeiz Observatory is located.[2] Naming citation was first mentioned in The Names of the Minor Planets by Paul Herget in 1955 (H 106).[2]

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 "JPL Small-Body Database Browser: 1140 Crimea (1929 YC)". Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001140. Retrieved 25 July 2017. 
  2. ↑ 2.0 2.1 2.2 2.3 Schmadel, Lutz D. (2007). "(1140) Crimea". Dictionary of Minor Planet Names – (1140) Crimea. Springer Berlin Heidelberg. p. 96. doi:10.1007/978-3-540-29925-7_1141. ISBN 978-3-540-00238-3. 
  3. ↑ 3.0 3.1 3.2 3.3 Tedesco, E. F.; Noah, P. V.; Noah, M.; Price, S. D. (October 2004). "IRAS Minor Planet Survey V6.0". NASA Planetary Data System 12: IRAS-A-FPA-3-RDR-IMPS-V6.0. Bibcode: 2004PDSS...12.....T. https://sbnarchive.psi.edu/pds3/iras/IRAS_A_FPA_3_RDR_IMPS_V6_0/data/diamalb.tab. Retrieved 22 October 2019. 
  4. ↑ 4.0 4.1 4.2 4.3 Usui, Fumihiko; Kuroda, Daisuke; Müller, Thomas G.; Hasegawa, Sunao; Ishiguro, Masateru; Ootsubo, Takafumi et al. (October 2011). "Asteroid Catalog Using Akari: AKARI/IRC Mid-Infrared Asteroid Survey". Publications of the Astronomical Society of Japan 63 (5): 1117–1138. doi:10.1093/pasj/63.5.1117. Bibcode: 2011PASJ...63.1117U.  (online, AcuA catalog p. 153)
  5. ↑ 5.0 5.1 5.2 Masiero, Joseph R.; Grav, T.; Mainzer, A. K.; Nugent, C. R.; Bauer, J. M.; Stevenson, R. et al. (August 2014). "Main-belt Asteroids with WISE/NEOWISE: Near-infrared Albedos". The Astrophysical Journal 791 (2): 11. doi:10.1088/0004-637X/791/2/121. Bibcode: 2014ApJ...791..121M. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2014ApJ...791..121M. Retrieved 26 January 2017. 
  6. ↑ 6.0 6.1 6.2 Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; Bauer, J.; Tholen, D. et al. (November 2011). "NEOWISE Studies of Spectrophotometrically Classified Asteroids: Preliminary Results". The Astrophysical Journal 741 (2): 25. doi:10.1088/0004-637X/741/2/90. Bibcode: 2011ApJ...741...90M. 
  7. ↑ 7.0 7.1 Stephens, Robert D. (December 2005). "Asteroid lightcurve photometry from Santana Observatory - spring 2005". The Minor Planet Bulletin 32 (4): 82–83. ISSN 1052-8091. Bibcode: 2005MPBu...32...82S. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2005MPBu...32...82S. Retrieved 26 January 2017. 
  8. ↑ 8.0 8.1 Behrend, Raoul. "Asteroids and comets rotation curves – (1140) Crimea". Geneva Observatory. http://obswww.unige.ch/~behrend/page3cou.html#001140. Retrieved 26 January 2017. 
  9. ↑ 9.0 9.1 Hanus, J.; Durech, J.; Broz, M.; Warner, B. D.; Pilcher, F.; Stephens, R. et al. (June 2011). "A study of asteroid pole-latitude distribution based on an extended set of shape models derived by the lightcurve inversion method". Astronomy & Astrophysics 530: 16. doi:10.1051/0004-6361/201116738. Bibcode: 2011A&A...530A.134H. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2011A&A...530A.134H. Retrieved 26 January 2017. 
  10. ↑ 10.0 10.1 10.2 "LCDB Data for (1140) Crimea". Asteroid Lightcurve Database (LCDB). http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=1140%7CCrimea. Retrieved 26 January 2017. 
  11. ↑ Veres, Peter; Jedicke, Robert; Fitzsimmons, Alan; Denneau, Larry; Granvik, Mikael; Bolin, Bryce et al. (November 2015). "Absolute magnitudes and slope parameters for 250,000 asteroids observed by Pan-STARRS PS1 - Preliminary results". Icarus 261: 34–47. doi:10.1016/j.icarus.2015.08.007. Bibcode: 2015Icar..261...34V. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015Icar..261...34V. Retrieved 26 January 2017. 
  12. ↑ 12.0 12.1 "1140 Crimea (1929 YC)". Minor Planet Center. https://www.minorplanetcenter.net/db_search/show_object?object_id=1140. Retrieved 26 January 2017. 

External links



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