Astronomy:32145 Katberman

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32145 Katberman
Discovery [1]
Discovered byLINEAR
Discovery siteLincoln Lab's ETS
Discovery date7 June 2000
Designations
(32145) Katberman
Named afterKatharine B. Berman
(2016 Intel STS awardee)[2]
2000 LE30 · 1996 MV
1998 YL15 · 1999 AL37
Minor planet categorymain-belt · (inner) [3]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc20.76 yr (7,582 days)
|{{{apsis}}}|helion}}2.8399 AU
|{{{apsis}}}|helion}}1.9889 AU
2.4144 AU
Eccentricity0.1762
Orbital period3.75 yr (1,370 days)
Mean anomaly236.95°
Mean motion0° 15m 45.72s / day
Inclination9.0211°
Longitude of ascending node105.91°
139.73°
Physical characteristics
Dimensions2.91 km (calculated)[3]
4.411±0.775 km[4][5]
Rotation period9.1292±0.0095 h[6]
9.140±0.090 h[7]
9.1695±0.0095 h[3][6]
Geometric albedo0.1578±0.0624[4]
0.158±0.062[5]
0.20 (assumed)[3]
S [3]
Absolute magnitude (H)14.4[4] · 14.578±0.005 (R)[6] · 14.6[1] · 14.670±0.250 (R)[7] · 14.68±0.22[8] · 15.04[3]


32145 Katberman (provisional designation 2000 LE30) is a stony asteroid from the inner regions of the asteroid belt, approximately 4 kilometers in diameter. The asteroid was discovered on 7 June 2000, by the LINEAR team at Lincoln Laboratory's Experimental Test Site in Socorro, New Mexico, United States. It was named for Katharine Berman, a 2016 Intel STS awardee.[2]

Orbit and classification

Katberman orbits the Sun in the inner main-belt at a distance of 2.0–2.8 AU once every 3 years and 9 months (1,370 days). Its orbit has an eccentricity of 0.18 and an inclination of 9° with respect to the ecliptic.[1]

The asteroid's observation arc begins 4 years prior to its official discovery observation, with a precovery taken by the Steward Observatory's Spacewatch survey at Kitt Peak in June 1996.[2]

Physical characteristics

Diameter and albedo

According to the survey carried out by the NEOWISE mission of NASA's space-based Wide-field Infrared Survey Explorer, Katberman measures 4.4 kilometers in diameter and its surface has an albedo of 0.16,[4] while the Collaborative Asteroid Lightcurve Link assumes a standard albedo for a stony asteroid of 0.20 and calculates a diameter of 2.9 kilometers with an absolute magnitude of 15.04.[3]

Rotation period

In October 2012, and January 2014, three rotational lightcurves of Katberman were obtained from photometric observations at the Palomar Transient Factory in California. Lightcurve analysis gave a rotation period of 9.14, 9.17 and 9.13 hours, respectively, with a corresponding brightness variation of 0.85, 0.80 and 0.70 in magnitude ({{{1}}}).[6][7]

Naming

This minor planet was named after Katharine Barr Berman (born 1998) awardee in the Intel Science Talent Search of 2016. She was a finalist for her cellular and molecular biology project. At the time, she attended the U.S. Hastings High School in New York.[2] The official naming citation was published by the Minor Planet Center on 21 May 2016 (M.P.C. 100315).[9]

References

  1. ↑ 1.0 1.1 1.2 1.3 "JPL Small-Body Database Browser: 32145 Katberman". Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2032145. 
  2. ↑ 2.0 2.1 2.2 2.3 "32145 Katberman". Minor Planet Center. https://www.minorplanetcenter.net/db_search/show_object?object_id=32145. 
  3. ↑ 3.0 3.1 3.2 3.3 3.4 3.5 3.6 "LCDB Data for (32145) Katberman". Asteroid Lightcurve Database (LCDB). http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=32145%7C. 
  4. ↑ 4.0 4.1 4.2 4.3 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. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2011ApJ...741...90M. Retrieved 24 May 2016. 
  5. ↑ 5.0 5.1 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 2 December 2016. 
  6. ↑ 6.0 6.1 6.2 6.3 Waszczak, Adam; Chang, Chan-Kao; Ofek, Eran O.; Laher, Russ; Masci, Frank; Levitan, David et al. (September 2015). "Asteroid Light Curves from the Palomar Transient Factory Survey: Rotation Periods and Phase Functions from Sparse Photometry". The Astronomical Journal 150 (3): 35. doi:10.1088/0004-6256/150/3/75. Bibcode: 2015AJ....150...75W. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015AJ....150...75W. Retrieved 24 May 2016. 
  7. ↑ 7.0 7.1 7.2 Chang, Chan-Kao (August 2015). "Asteroid Spin-rate Study Using the Intermediate Palomar Transient Factory". The Astrophysical Journal Supplement Series 219 (2): 19. doi:10.1088/0067-0049/219/2/27. Bibcode: 2015ApJS..219...27C. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015ApJS..219...27C. Retrieved 24 May 2016. 
  8. ↑ 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 24 May 2016. 
  9. ↑ "MPC/MPO/MPS Archive". Minor Planet Center. https://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html. 

External links



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