Astronomy:3628 Božněmcová

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3628 Božněmcová
Discovery [1]
Discovered byZ. Vávrová
Discovery siteKleť Obs.
Discovery date25 November 1979
Designations
(3628) Boznemcova
Named afterBožena Němcová
(Czech writer)[2]
1979 WD · 1930 MQ
1962 JP · 1975 XT4
1978 JX · 1979 YB10
1985 CQ2
Minor planet categorymain-belt · (middle) [3]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc86.76 yr (31,689 days)
|{{{apsis}}}|helion}}3.2963 AU
|{{{apsis}}}|helion}}1.7799 AU
2.5381 AU
Eccentricity0.2987
Orbital period4.04 yr (1,477 days)
Mean anomaly174.61°
Mean motion0° 14m 37.32s / day
Inclination6.8866°
Longitude of ascending node156.74°
187.79°
Physical characteristics
Dimensions5.40±1.17 km[4]
6.914±0.143 km[5][6]
8.14±0.34 km[7]
8.18 km (calculated)[3]
Rotation period3.335410±0.000057 h[8]
Geometric albedo0.20 (assumed)[3]
0.256±0.024[7]
0.32±0.13[4]
0.3370±0.0705[5]
0.359±0.029[6]
SMASS = O [1] · O [3][9]
Absolute magnitude (H)12.60[5][7] · 12.8[1][3] · 13.05±0.34[9] · 13.11[4]


3628 Božněmcová, provisional designation 1979 WD, is a rare-type asteroid from the middle region of the asteroid belt, approximately 7 kilometers in diameter. It was discovered on 25 November 1979, by Czech astronomer Zdeňka Vávrová at Kleť Observatory in the Czech Republic.[10] It is named for Czech writer Božena Němcová.[2]

Orbit and classification

Božněmcová orbits the Sun in the central main-belt at a distance of 1.8–3.3 AU once every 4.04 years (1,477 days). Its orbit has an eccentricity of 0.30 and an inclination of 7° with respect to the ecliptic.[1] It was first identified as 1930 MQ at Lowell Observatory in 1930, extending the body's observation arc by 49 years prior to its official discovery observation at Klet.[10]

Physical characteristics

In the SMASS taxonomy, Božněmcová is a bright O-type asteroid, a rare group with spectra that best fits those of the L6 and LL6 ordinary chondrite-type meteorites.[11]

Rotation period

In September 2007, a rotational lightcurve of Božněmcová was obtained from photometric observations by American astronomer Brian Warner at his Palmer Divide Observatory in Colorado. Lightcurve analysis gave a well-defined rotation period of 3.335410 hours with a low brightness amplitude of 0.09 magnitude ({{{1}}}).[8]

Diameter and albedo

According to the surveys carried out by the Japanese Akari satellite and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Božněmcová measures between 5.40 and 8.14 kilometers in diameter, and its surface has an albedo between 0.256 and 0.359.[4][5][6][7] The Collaborative Asteroid Lightcurve Link assumes a standard albedo for stony asteroids of 0.20 and calculates a diameter of 8.18 kilometers at an absolute magnitude of 12.8, as the lower the albedo (reflectivity), the larger the body's diameter for an unchanged brightness.[3]

Naming

This minor planet was named in memory of Božena Němcová (1820–1862), a Czech writer, author of the novella The Grandmother (Czech: Babička), the most frequently read book in Czech literature.[2] The official naming citation was published by the Minor Planet Center on 4 June 1993 (M.P.C. 22245).[12]

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 "JPL Small-Body Database Browser: 3628 Boznemcova (1979 WD)". Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2003628. 
  2. ↑ 2.0 2.1 2.2 Schmadel, Lutz D. (2007). "(3628) Božněmcová". Dictionary of Minor Planet Names – (3628) Božněmcová. Springer Berlin Heidelberg. p. 305. doi:10.1007/978-3-540-29925-7_3627. ISBN 978-3-540-00238-3. 
  3. ↑ 3.0 3.1 3.2 3.3 3.4 3.5 "LCDB Data for (3628) Božněmcová". Asteroid Lightcurve Database (LCDB). http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=3628%7CBožněmcová. 
  4. ↑ 4.0 4.1 4.2 4.3 Nugent, C. R.; Mainzer, A.; Bauer, J.; Cutri, R. M.; Kramer, E. A.; Grav, T. et al. (September 2016). "NEOWISE Reactivation Mission Year Two: Asteroid Diameters and Albedos". The Astronomical Journal 152 (3): 12. doi:10.3847/0004-6256/152/3/63. Bibcode: 2016AJ....152...63N. 
  5. ↑ 5.0 5.1 5.2 5.3 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. 
  6. ↑ 6.0 6.1 6.2 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. doi:10.1088/0004-637X/741/2/68. Bibcode: 2011ApJ...741...68M. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2011ApJ...741...68M. Retrieved 14 November 2016. 
  7. ↑ 7.0 7.1 7.2 7.3 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)
  8. ↑ 8.0 8.1 Warner, Brian D. (June 2008). "Asteroid Lightcurve Analysis at the Palmer Divide Observatory - June - October 2007". The Minor Planet Bulletin 35 (2): 56–60. ISSN 1052-8091. Bibcode: 2008MPBu...35...56W. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2008MPBu...35...56W. Retrieved 13 March 2017. 
  9. ↑ 9.0 9.1 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 13 March 2017. 
  10. ↑ 10.0 10.1 "3628 Boznemcova (1979 WD)". Minor Planet Center. https://www.minorplanetcenter.net/db_search/show_object?object_id=3628. 
  11. ↑ Bus, S. J.; Binzel, R. P. (2002). "Phase II of the Small Main-Belt Asteroid Spectroscopic Survey A Feature-Based Taxonomy". Icarus 158 (1): 146–177. doi:10.1006/icar.2002.6856. Bibcode: 2002Icar..158..146B. http://vigarano.ep.sci.hokudai.ac.jp/shogo/adv_geochemistry2015/Week%204/Background%20reading/Bus%20and%20Binzel%202002.pdf. 
  12. ↑ "MPC/MPO/MPS Archive". Minor Planet Center. https://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html. 

External links



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