15262 Abderhalden

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15262 Abderhalden
Discovery [1]
Discovered by F. Börngen
L. D. Schmadel
Discovery site Tautenburg Obs.
Discovery date12 October 1990
Designations
(15262) Abderhalden
Named after
 Emil Abderhalden
(Swiss physiologist) [2]
1990 TG4 ·1978 PJ3
1978 RM3 ·1999 FO42
main-belt  · Themis [3]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc 38.82 yr (14,178 days)
Aphelion 3.6694 AU
Perihelion 2.7536 AU
3.2115 AU
Eccentricity 0.1426
5.76 yr (2,102 days)
326.73°
0° 10m 16.68s / day
Inclination 0.6286°
5.7800°
287.51°
Physical characteristics
Dimensions8.43 km (calculated) [3]
12.201±0.545 km [4] [5]
3.5327±0.0012 h [6]
0.062±0.029 [4] [5]
0.08 (assumed) [3]
C [3]
13.2 [4]  ·13.282±0.004(R) [6]  ·13.3 [1]  ·13.43±0.23 [7]  ·13.73 [3]

    15262 Abderhalden, provisional designation 1990 TG4, is a carbonaceous Themistian asteroid from the outer region of the asteroid belt, approximately 12 kilometers in diameter.

    Contents

    It was discovered by German astronomers Freimut Börngen and Lutz Schmadel at the Karl Schwarzschild Observatory in Tautenburg, eastern Germany, on 12 October 1990. [8] The asteroid was named after Swiss physiologist and biochemist Emil Abderhalden. [2]

    Orbit and classification

    Abderhalden is a member of the Themis family, a dynamical family of outer-belt asteroids with nearly coplanar ecliptical orbits. It orbits the Sun in the outer main-belt at a distance of 2.8–3.7  AU once every 5 years and 9 months (2,102 days). Its orbit has an eccentricity of 0.14 and an inclination of 1° with respect to the ecliptic. [1] The first precovery was obtained at Crimea–Nauchnij in 1978, extending the asteroid's observation arc by 12 years prior to its discovery. [8]

    Physical characteristics

    Rotation period

    In October 2013, a rotational lightcurve of Abderhalden was obtained from photometric observation taken by astronomers at the Palomar Transient Factory in California. Lightcurve analysis gave a rotation period of 3.5327 hours with a brightness variation of 0.21 magnitude ( U=2 ). [6]

    Diameter and albedo

    The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.08, a standard albedo for carbonaceous asteroids of the Themis family, and calculates a diameter of 8.4 kilometers, [3] while the NEOWISE mission of NASA's space-based Wide-field Infrared Survey Explorer finds an albedo of 0.062 with a corresponding diameter of 12.2 kilometers and an absolute magnitude of 13.2. [4]

    Naming

    This minor planet was named in memory of Swiss biochemist and physiologist Emil Abderhalden (1877–1950). He was a researcher in the field of physiological chemistry, founder of modern dietetics, and promoter of public welfare. Abderhalden taught physiology at the Martin Luther University of Halle-Wittenberg from 1911 until the end of World War II. [2] The approved naming citation was published by the Minor Planet Center on 13 October 2000 (M.P.C. 41387). [9]

    Related Research Articles

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    References

    1. 1 2 3 4 "JPL Small-Body Database Browser: 15262 Abderhalden (1990 TG4)" (2017-06-02 last obs.). Jet Propulsion Laboratory. Archived from the original on 22 November 2020. Retrieved 26 June 2017.
    2. 1 2 3 Schmadel, Lutz D. (2007). "(15262) Abderhalden". Dictionary of Minor Planet Names – (15262) Abderhalden. Springer Berlin Heidelberg. p. 822. doi:10.1007/978-3-540-29925-7_9115. ISBN   978-3-540-00238-3.
    3. 1 2 3 4 5 6 "LCDB Data for (15262) Abderhalden". Asteroid Lightcurve Database (LCDB). Retrieved 26 April 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 26 April 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 3 December 2016.
    6. 1 2 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. arXiv: 1504.04041 . Bibcode:2015AJ....150...75W. doi:10.1088/0004-6256/150/3/75 . Retrieved 26 April 2016.
    7. ↑ 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 26 April 2016.
    8. 1 2 "15262 Abderhalden (1990 TG4)". Minor Planet Center. Retrieved 26 April 2016.
    9. ↑ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 26 April 2016.
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