32145 Katberman

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32145 Katberman
Discovery  [1]
Discovered by LINEAR
Discovery site Lincoln Lab's ETS
Discovery date7 June 2000
Designations
(32145) Katberman
Named after
Katharine B. Berman
(2016 Intel STS awardee) [2]
2000 LE30 ·1996 MV
1998 YL15 ·1999 AL37
main-belt  ·(inner)  [3]
Orbital characteristics   [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc 20.76 yr (7,582 days)
Aphelion 2.8399 AU
Perihelion 1.9889 AU
2.4144 AU
Eccentricity 0.1762
3.75 yr (1,370 days)
236.95°
0° 15m 45.72s / day
Inclination 9.0211°
105.91°
139.73°
Physical characteristics
Dimensions2.91 km (calculated) [3]
4.411±0.775 km [4] [5]
9.1292±0.0095 h [6]
9.140±0.090 h [7]
9.1695±0.0095 h [3] [6]
0.1578±0.0624 [4]
0.158±0.062 [5]
0.20 (assumed) [3]
S   [3]
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]

    Contents

    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 ( U=2/2/2 ). [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]

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    References

    1. 1 2 3 4 "JPL Small-Body Database Browser: 32145 Katberman" (2017-03-20 last obs.). Jet Propulsion Laboratory . Retrieved 27 June 2017.
    2. 1 2 3 4 "32145 Katberman". Minor Planet Center. Retrieved 24 May 2016.
    3. 1 2 3 4 5 6 7 "LCDB Data for (32145) Katberman". Asteroid Lightcurve Database (LCDB). Retrieved 24 May 2016.
    4. 1 2 3 4 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 24 May 2016.
    5. 1 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. arXiv: 1109.4096 . Bibcode:2011ApJ...741...68M. doi:10.1088/0004-637X/741/2/68 . Retrieved 2 December 2016.
    6. 1 2 3 4 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. arXiv: 1504.04041 . Bibcode:2015AJ....150...75W. doi:10.1088/0004-6256/150/3/75 . Retrieved 24 May 2016.
    7. 1 2 3 Chang, Chan-Kao; Ip, Wing-Huen; Lin, Hsing-Wen; Cheng, Yu-Chi; Ngeow, Chow-Choong; Yang, Ting-Chang; et al. (August 2015). "Asteroid Spin-rate Study Using the Intermediate Palomar Transient Factory". The Astrophysical Journal Supplement Series. 219 (2): 19. arXiv: 1506.08493 . Bibcode:2015ApJS..219...27C. doi:10.1088/0067-0049/219/2/27 . 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. arXiv: 1506.00762 . Bibcode:2015Icar..261...34V. doi:10.1016/j.icarus.2015.08.007 . Retrieved 24 May 2016.
    9. ↑ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 24 May 2016.
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