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5333 Kanaya

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5333 Kanaya
Discovery [1]
Discovered byM. Akiyama
T. Furuta
Discovery siteMishima Obs. (886)
Discovery date18 October 1990
Designations
(5333) Kanaya
Named after
Kanaya, Shizuoka
(Japanese city)[2]
1990 UH · 1974 HC2
1979 SJ2 · 1981 EJ49
1985 JE2
main-belt · (inner) [3]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc62.62 yr (22,871 days)
Aphelion2.7398 AU
Perihelion1.9515 AU
2.3456 AU
Eccentricity0.1680
3.59 yr (1,312 days)
61.888°
0° 16m 27.84s / day
Inclination10.973°
208.40°
309.01°
Physical characteristics
Dimensions13.35 km (calculated)[3]
13.587±0.041 km[4]
13.918±0.032[5]
14.21±0.41 km[6]
3.683±0.001 h[7]
3.8022±0.0008 h[8]
3.80224±0.00006 h[a]
3.8024±0.0002 h[9]
0.029±0.004[5]
0.0407±0.0012[4]
0.051±0.003[6]
0.057 (assumed)[3]
SMASS = Ch [1] · C [3][10]
13.1[1][3][4][6] · 12.99±0.33[10]

5333 Kanaya, provisional designation 1990 UH, is a carbonaceous asteroid from the inner regions of the asteroid belt, approximately 14 kilometers in diameter.

The asteroid was discovered on 18 October 1990, by Japanese astronomers Makio Akiyama and Toshimasa Furuta at Mishima Observatory (886) in Susono, Japan, and named for the Japanese city of Kanaya.[2][11]

Orbit and classification

Kanaya orbits the Sun in the inner main-belt at a distance of 2.0–2.7 AU once every 3 years and 7 months (1,312 days). Its orbit has an eccentricity of 0.17 and an inclination of 11° with respect to the ecliptic.[1]

A first precovery was taken at the Goethe Link Observatory in 1954. It observation arc begins at the Chilean Cerro El Roble Station in 1974, when it was identified as 1974 HC2, 16 years prior to its official discovery observation at Susono.[11]

Physical characteristics

In the SMASS classification, Kanaya is a Ch-type asteroid, a hydrated sub-type of the carbonaceous C-type asteroids.[1]

Diameter and albedo

According to the space-based surveys carried out by the Japanese Akari satellite and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Kanaya measures 14.2 and 13.6 kilometers in diameter, and its surface has an albedo of 0.029 and 0.051, respectively.[6][4]

The Collaborative Asteroid Lightcurve Link assumes a standard albedo for carbonaceous asteroids of 0.057 and calculates a diameter of 13.4 kilometers with an absolute magnitude of 13.1.[3]

Lightcurves

Several rotational lightcurves of Kanaya have been obtained from photometric observations. In December 2005, a first lightcurve by astronomer David Higgins at Hunters Hill Observatory (E14), Australia, gave a rotation period of 3.8022 hours with a brightness variation of 0.22 magnitude (U=3).[8]

In October 2010, Czech astronomer Petr Pravec obtained another well-defined period of 3.80224 hours with an amplitude of 0.16 magnitude (U=3).[a] Other observations rendered similar periods (U=2+/3-).[7][9]

Naming

This minor planet was named for the Japanese town of Kanaya (金谷町 Kanaya-chō) in Haibara District of the Shizuoka Prefecture. It is the native town of the first discoverer, Makio Akiyama, and also a station on the ancient "Tokai-do" road. The Malinohara plateau south of Kanaya is well known for its production of green tea.[2] The official naming citation was published by the Minor Planet Center on 6 February 1993 (M.P.C. 21610).[12]

Notes

  1. ^ a b Pravec (2010): lightcurve plot of (5333) Kanaya with a rotation period 3.80223±0.00006 hours with a brightness amplitude of 0.16 mag. Summary figures at Collaborative Asteroid Lightcurve Link (CALL)

References

  1. ^ a b c d e f "JPL Small-Body Database Browser: 5333 Kanaya (1990 UH)" (2017-06-04 last obs.). Jet Propulsion Laboratory. Retrieved 21 June 2017.
  2. ^ a b c Schmadel, Lutz D. (2007). "(5333) Kanaya". Dictionary of Minor Planet Names – (5333) Kanaya. Springer Berlin Heidelberg. p. 457. doi:10.1007/978-3-540-29925-7_5141. ISBN 978-3-540-00238-3.
  3. ^ a b c d e f "LCDB Data for (5333) Kanaya". Asteroid Lightcurve Database (LCDB). Retrieved 3 May 2016.
  4. ^ a b c d 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. arXiv:1109.6407. Bibcode:2011ApJ...741...90M. doi:10.1088/0004-637X/741/2/90. Retrieved 3 May 2016.
  5. ^ a b Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Dailey, J.; et al. (November 2011). "Main Belt Asteroids with WISE/NEOWISE. I. Preliminary Albedos and Diameters". The Astrophysical Journal. 741 (2): 20. arXiv:1109.4096. Bibcode:2011ApJ...741...68M. doi:10.1088/0004-637X/741/2/68. Retrieved 5 December 2016.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  6. ^ a b c d 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. Bibcode:2011PASJ...63.1117U. doi:10.1093/pasj/63.5.1117. Retrieved 17 October 2019. (online, AcuA catalog p. 153)
  7. ^ a b Behrend, Raoul. "Asteroids and comets rotation curves – (5333) Kanaya". Geneva Observatory. Retrieved 3 May 2016.
  8. ^ a b Higgins, David; Pravec, Petr; Kusnirak, Peter; Reddy, Vishnu; Dyvig, Ron (September 2006). "Asteroid lightcurve analysis at Hunters Hill Observatory and collaborating stations - summer 2005/6". The Minor Planet Bulletin. 33 (3): 64–66. Bibcode:2006MPBu...33...64H. ISSN 1052-8091. Retrieved 3 May 2016.
  9. ^ a b Higgins, David (January 2011). "Period Determination of Asteroid Targets Observed at Hunters Hill Observatory: May 2009 - September 2010". The Minor Planet Bulletin. 38 (1): 41–46. Bibcode:2011MPBu...38...41H. ISSN 1052-8091. Retrieved 3 May 2016.
  10. ^ a b 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. arXiv:1506.00762. Bibcode:2015Icar..261...34V. doi:10.1016/j.icarus.2015.08.007. Retrieved 3 May 2016.
  11. ^ a b "5333 Kanaya (1990 UH)". Minor Planet Center. Retrieved 3 May 2016.
  12. ^ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 3 May 2016.

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