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13003 Dickbeasley

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13003 Dickbeasley
Discovery[1]
Discovered byE. Bowell
Discovery siteAnderson Mesa Stn.
Discovery date21 March 1982
Designations
(13003) Dickbeasley
Named after
Dick Beasley (NAU, artist)[2]
1982 FN · 1982 HJ2
main-belt · (inner)[3]
background
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc34.66 yr (12,661 days)
Aphelion3.0838 AU
Perihelion2.0332 AU
2.5585 AU
Eccentricity0.2053
4.09 yr (1,495 days)
227.37°
0° 14m 26.88s / day
Inclination26.560°
177.56°
33.358°
Physical characteristics
5.41 km (calculated)[3]
8.240±0.119 km[4][5]
3.4992±0.0090 h[6]
3.4999±0.0005 h[7]
3.502±0.001 h[8]
0.074±0.011[4][5]
0.20 (assumed)[3]
S (assumed)[3]
13.7[1][3][4] · 14.402±0.008 (S)[6] · 14.25±0.89[9]

13003 Dickbeasley, provisional designation 1982 FN, is a background asteroid from the central region of the asteroid belt, approximately 6 kilometers in diameter. It was discovered by American astronomer Edward Bowell at Lowell's Anderson Mesa Station on 21 March 1982.[2] The asteroid was named in memory of American NAU administrator Dick Beasley.[2]

Orbit and classification

Dickbeasley is a non-family asteroid from the main belt's background population. It orbits the Sun in the central main-belt at a distance of 2.0–3.1 AU once every 4 years and 1 month (1,495 days). Its orbit has an eccentricity of 0.21 and an inclination of 27° with respect to the ecliptic.[1] The body's observation arc begins with its official discovery observation, as no precoveries were taken, and no prior identifications were made.[2]

Naming

This minor planet was named in memory of American Richard "Dick" E. Beasley (1934–1992), a teacher and administrator at Northern Arizona University. He was also a multi-media artist and a preeminent figure in the calligraphic world.[2] The approved naming citation was published by the Minor Planet Center on 9 February 2009 (M.P.C. 65122).[10]

Physical characteristics

Rotation period

In April 2015, a rotational lightcurve of Dickbeasley was obtained from photometric observations made at the Phillips Academy Observatory (I12). It gave a rotation period of 3.502 hours with a brightness variation of 0.44 magnitude (U=3-).[8] One month later, in May 2015, observations at Texas Tech's Preston Gott Observatory gave a concurring period of 3.4999 hours with an amplitude of 0.30 magnitude (U=3-).[7]

These results supersede the first obtained lightcurve at the Palomar Transient Factory from September 2012, which gave a period of 3.4992 hours and an amplitude of 0.42 (U=2).[6]

Diameter and albedo

According to the surveys carried out by the NEOWISE mission of NASA's space-based Wide-field Infrared Survey Explorer, Dickbeasley measures 8.2 kilometers in diameter and its surface has an albedo of 0.07,[4][5] while he Collaborative Asteroid Lightcurve Link assumes a standard albedo for stony asteroids of 0.20 and calculates a diameter of 5.4 kilometers with an absolute magnitude of 13.7.[3]

References

  1. ^ a b c d "JPL Small-Body Database Browser: 13003 Dickbeasley (1982 FN)" (2016-11-18 last obs.). Jet Propulsion Laboratory. Retrieved 24 June 2017.
  2. ^ a b c d e "13003 Dickbeasley (1982 FN)". Minor Planet Center. Retrieved 23 May 2016.
  3. ^ a b c d e f "LCDB Data for (13003) Dickbeasley". Asteroid Lightcurve Database (LCDB). Retrieved 23 May 2016.
  4. ^ a b c d 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 23 May 2016.
  5. ^ a b c 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. ^ a b c 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 23 May 2016.
  7. ^ a b Clark, Maurice (January 2016). "Asteroid Photometry from the Preston Gott Observatory". The Minor Planet Bulletin. 43 (1): 2–5. Bibcode:2016MPBu...43....2C. ISSN 1052-8091. Retrieved 23 May 2016.
  8. ^ a b Odden, Caroline; Jenkins, Ravn; Nasser, Ravenne; Nix, Sabine; Dear, Anna (October 2015). "Finding the Lightcurve and Rotation Period of Minor Planet 13003 Dickbeasley". The Minor Planet Bulletin. 42 (4): 237. Bibcode:2015MPBu...42..237O. ISSN 1052-8091. Retrieved 23 May 2016.
  9. ^ 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 23 May 2016.
  10. ^ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 23 May 2016.
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