Astronomy:1380 Volodia

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1380 Volodia
001380-asteroid shape model (1380) Volodia.png
Modelled shape of Volodia from its lightcurve
Discovery[1]
Discovered byL. Boyer
Discovery siteAlgiers Obs.
Discovery date16 March 1936
Designations
(1380) Volodia
Named afterVladimir Vesselovsky
(newborn on discovery)[2]
1936 FM
Minor planet category
Orbital characteristics[1]
Epoch 16 February 2017 (JD 2457800.5)
Uncertainty parameter 0
Observation arc80.65 yr (29,456 days)
|{{{apsis}}}|helion}}3.4753 AU
|{{{apsis}}}|helion}}2.8314 AU
3.1533 AU
Eccentricity0.1021
Orbital period5.60 yr (2,045 days)
Mean anomaly124.10°
Mean motion0° 10m 33.6s / day
Inclination10.408°
Longitude of ascending node359.07°
247.31°
Physical characteristics
Mean diameter21.188±0.289 km[6]
21.76±1.03 km[7]
23.266±0.190 km[8]
Rotation period8 h[9]
Geometric albedo0.0749±0.0148[8]
0.078±0.018[7]
0.090±0.017[6]
D (SDSS-MOC)[10]
Absolute magnitude (H)11.6[8] · 11.70[7] · 11.8[1][11]


1380 Volodia (prov. designation: 1936 FM) is a carbonaceous background asteroid from the outer region of the asteroid belt. It was discovered on 16 March 1936, by French astronomer Louis Boyer at the North African Algiers Observatory in Algeria.[3] Five nights later, Volodia was independently discovered by Eugène Delporte at Uccle in Belgium.[2] The dark D-type asteroid has a rotation period of 8 hours and measures approximately 22 kilometers (14 miles) in diameter.

Orbit and classification

This C-type asteroid orbits the Sun at a distance of 2.8–3.5 AU once every 5 years and 7 months (2,045 days). Its orbit has an eccentricity of 0.10 and an inclination of 10° with respect to the ecliptic.[1] Volodia's observation arc begins with its official discovery at Johannesburg, as no precoveries were taken, and no prior identifications were made.[3]

Naming

This minor planet is named for Russian Vladimir Vesselovsky (born 1936), who was born on the night of the asteroid's discovery. "Volodia" is the diminutive of "Vladimir".[2] In 1955, its naming citation was first published by Paul Herget in The Names of the Minor Planets (H 125).[2]

Physical characteristics

In the SDSS-based taxonomy, Volodia is a dark D-type asteroid, which is common in the outer main-belt and among the Jupiter trojan population.[10]

Rotation period

In April 2008, a fragmentary light-curve of Volodia was obtained from photometric observations by astronomer Eric Barbotin. Light-curve analysis gave a tentative rotation period of 8 hours with a change in brightness of 0.15 magnitude ({{{1}}}).[9]

Diameter and albedo

According to the survey carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Volodia measures between 21.76 and 23.27 kilometers in diameter, and its surface has an albedo between 0.074 and 0.090.[6][7][8] The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.058 and calculates a diameter of 24.09 kilometers based on an absolute magnitude of 11.8.[11]

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 "JPL Small-Body Database Browser: 1380 Volodia (1936 FM)". Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001380. Retrieved 11 January 2017. 
  2. ↑ 2.0 2.1 2.2 2.3 Schmadel, Lutz D. (2007). "(1380) Volodia". Dictionary of Minor Planet Names. Springer Berlin Heidelberg. p. 112. doi:10.1007/978-3-540-29925-7_1381. ISBN 978-3-540-00238-3. https://archive.org/details/dictionaryminorp00schm. 
  3. ↑ 3.0 3.1 3.2 "1380 Volodia (1936 FM)". Minor Planet Center. https://www.minorplanetcenter.net/db_search/show_object?object_id=1380. Retrieved 11 January 2017. 
  4. ↑ "Asteroid 1380 Volodia – Proper Elements". AstDyS-2, Asteroids – Dynamic Site. https://newton.spacedys.com/astdys/index.php?pc=1.1.6&n=1380. 
  5. ↑ "Asteroid 1380 Volodia". Small Bodies Data Ferret. https://sbntools.psi.edu/ferret/SimpleSearch/results.action?targetName=1380+Volodia. Retrieved 16 March 2020. 
  6. ↑ 6.0 6.1 6.2 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 11 January 2017. 
  7. ↑ 7.0 7.1 7.2 7.3 Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Nugent, C. et al. (November 2012). "Preliminary Analysis of WISE/NEOWISE 3-Band Cryogenic and Post-cryogenic Observations of Main Belt Asteroids". The Astrophysical Journal Letters 759 (1): 5. doi:10.1088/2041-8205/759/1/L8. Bibcode: 2012ApJ...759L...8M. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2012ApJ...759L...8M. Retrieved 11 January 2017. 
  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 Behrend, Raoul. "Asteroids and comets rotation curves – (1380) Volodia". Geneva Observatory. http://obswww.unige.ch/~behrend/page4cou.html#001380. Retrieved 11 January 2017. 
  10. ↑ 10.0 10.1 Carvano, J. M.; Hasselmann, P. H.; Lazzaro, D.; Mothé-Diniz, T. (February 2010). "SDSS-based taxonomic classification and orbital distribution of main belt asteroids". Astronomy and Astrophysics 510: 12. doi:10.1051/0004-6361/200913322. Bibcode: 2010A&A...510A..43C. https://sbnarchive.psi.edu/pds3/non_mission/EAR_A_I0035_5_SDSSTAX_V1_1/data/sdsstax_ast_table.tab. Retrieved 16 March 2020.  (PDS data set)
  11. ↑ 11.0 11.1 "LCDB Data for (1380) Volodia". Asteroid Lightcurve Database (LCDB). http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=1380%7CVolodia. Retrieved 11 January 2017. 

External links



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