Astronomy:1083 Salvia

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1083 Salvia
001083-asteroid shape model (1083) Salvia.png
Shape model of Salvia from its lightcurve
Discovery[1]
Discovered byK. Reinmuth
Discovery siteHeidelberg Obs.
Discovery date26 January 1928
Designations
(1083) Salvia
Pronunciation/ˈsælviə/[6]
Named afterSalvia (flowering plant)[2]
1928 BC · 1948 VO
A910 AA · A916 WF
Minor planet category
Orbital characteristics[3]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc107.49 yr (39,261 days)
|{{{apsis}}}|helion}}2.7548 AU
|{{{apsis}}}|helion}}1.9036 AU
2.3292 AU
Eccentricity0.1827
Orbital period3.55 yr (1,298 days)
Mean anomaly91.450°
Mean motion0° 16m 38.28s / day
Inclination5.1311°
Longitude of ascending node80.812°
32.665°
Physical characteristics
Dimensions8.927±0.131 km[7]
10.145±0.028 km[8]
10.28 km (taken)[9]
10.283 km[10]
Rotation period4.23±0.02 h[11]
Pole ecliptic latitude
  • (165.0°, −59.0°) (λ1/β1)[5]
  • (358.0°, −58.0°) (λ2/β2)[5]
Geometric albedo0.2103[9][10]
0.211±0.020[7]
0.2184±0.0353[8]
S (assumed)[9]
Absolute magnitude (H)12.1[3] · 12.25[9][8] · 12.25±0.11[10][11]


1083 Salvia (prov. designation: 1928 BC) is a stony background asteroid from the inner regions of the asteroid belt. It was discovered on 26 January 1928, by astronomer Karl Reinmuth at the Heidelberg Observatory in southwest Germany.[1] The assumed S-type asteroid has a rotation period of 4.2 hours and measures approximately 10 kilometers (6.2 miles) in diameter. It was named after the flowering plant Salvia (sage).[2]

Orbit and classification

Located in the region of the Flora family,[9] Salvia is a non-family asteroid of the main belt's background population when applying the hierarchical clustering method to its proper orbital elements.[4][5] It orbits the Sun in the inner asteroid belt at a distance of 1.9–2.8 AU once every 3 years and 7 months (1,298 days; semi-major axis of 2.33 AU). Its orbit has an eccentricity of 0.18 and an inclination of 5° with respect to the ecliptic.[3] The asteroid was first observed as A910 AA at Heidelberg Observatory on 7 January 1910, where the body's observation arc begins 18 years later, with its official discovery observation on 26 January 1928.[1]

Naming

This minor planet was named after the flowering plant Salvia (sage), a genus of herbs or shrubs that belong to the mint family. The official naming citation was mentioned in The Names of the Minor Planets by Paul Herget in 1955 (H 102).[2]

Reinmuth's flowers

Due to his many discoveries, Karl Reinmuth submitted a large list of 66 newly named asteroids in the early 1930s. The list covered his discoveries with numbers between (1009) and (1200). This list also contained a sequence of 28 asteroids, starting with 1054 Forsytia, that were all named after plants, in particular flowering plants (also see list of minor planets named after animals and plants).[12]

Physical characteristics

Salvia is an assumed stony S-type asteroid, which corresponds to its observed albedo (see below).[9]

Rotation period and poles

In March 1992, a rotational lightcurve of Salvia was obtained from photometric observations by Polish astronomer Wiesław Wiśniewski. Lightcurve analysis gave a well-defined rotation period of 4.23 hours with a brightness amplitude of 0.61 magnitude ({{{1}}}).[11] A 2016-published lightcurve, using modeled photometric data from the Lowell Photometric Database, gave a concurring period of 4.281429±0.000001 hours, as well as two spin axis of (165.0°, −59.0°) and (358.0°, −58.0°) in ecliptic coordinates (λ, β).[13]

Diameter and albedo

According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer (WISE), Salvia measures between 8.927 and 10.283 kilometers in diameter and its surface has an albedo between 0.2103 and 0.2184.[7][8][10] The Collaborative Asteroid Lightcurve Link adopts Petr Pravec's revised WISE data, that is an albedo of 0.2103 and a diameter of 10.28 kilometers based on an absolute magnitude of 12.25.[9]

References

  1. ↑ 1.0 1.1 1.2 1.3 "1083 Salvia (1928 BC)". Minor Planet Center. https://www.minorplanetcenter.net/db_search/show_object?object_id=1083. Retrieved 28 November 2017. 
  2. ↑ 2.0 2.1 2.2 Schmadel, Lutz D. (2007). "(1083) Salvia". Dictionary of Minor Planet Names. Springer Berlin Heidelberg. p. 92. doi:10.1007/978-3-540-29925-7_1084. ISBN 978-3-540-00238-3. https://archive.org/details/dictionaryminorp00schm. 
  3. ↑ 3.0 3.1 3.2 3.3 "JPL Small-Body Database Browser: 1083 Salvia (1928 BC)". Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001083. Retrieved 28 November 2017. 
  4. ↑ 4.0 4.1 "Asteroid 1083 Salvia – Proper Elements". AstDyS-2, Asteroids – Dynamic Site. https://newton.spacedys.com/astdys/index.php?pc=1.1.6&n=1083. 
  5. ↑ 5.0 5.1 5.2 5.3 "Asteroid 1083 Salvia". Small Bodies Data Ferret. https://sbntools.psi.edu/ferret/SimpleSearch/results.action?targetName=1083+Salvia. Retrieved 26 October 2019. 
  6. ↑ salvia (3rd ed.), Oxford University Press, September 2005, http://oed.com/search?searchType=dictionary&q=salvia  (Subscription or UK public library membership required.)
  7. ↑ 7.0 7.1 7.2 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. 
  8. ↑ 8.0 8.1 8.2 8.3 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. 
  9. ↑ 9.0 9.1 9.2 9.3 9.4 9.5 9.6 "LCDB Data for (1083) Salvia". Asteroid Lightcurve Database (LCDB). http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=1083%7CSalvia. Retrieved 28 November 2017. 
  10. ↑ 10.0 10.1 10.2 10.3 Pravec, Petr; Harris, Alan W.; Kusnirák, Peter; Galád, Adrián; Hornoch, Kamil (September 2012). "Absolute magnitudes of asteroids and a revision of asteroid albedo estimates from WISE thermal observations". Icarus 221 (1): 365–387. doi:10.1016/j.icarus.2012.07.026. Bibcode: 2012Icar..221..365P. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2012Icar..221..365P. Retrieved 28 November 2017. 
  11. ↑ 11.0 11.1 11.2 Wisniewski, W. Z.; Michalowski, T. M.; Harris, A. W.; McMillan, R. S. (March 1995). "Photoelectric Observations of 125 Asteroids". Abstracts of the Lunar and Planetary Science Conference 26: 1511. Bibcode: 1995LPI....26.1511W. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=1995LPI....26.1511W. Retrieved 28 November 2017. 
  12. ↑ Schmadel, Lutz D. (2007). "(1054) Forsytia". Dictionary of Minor Planet Names. Springer Berlin Heidelberg. p. 90. doi:10.1007/978-3-540-29925-7_1055. ISBN 978-3-540-00238-3. https://archive.org/details/dictionaryminorp00schm. 
  13. ↑ Durech, J.; Hanus, J.; Oszkiewicz, D.; Vanco, R. (March 2016). "Asteroid models from the Lowell photometric database". Astronomy and Astrophysics 587: 6. doi:10.1051/0004-6361/201527573. Bibcode: 2016A&A...587A..48D. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2016A&A...587A..48D. Retrieved 28 November 2017. 

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