13732 Woodall

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13732 Woodall
Discovery [1]
Discovered by LINEAR
Discovery site Lincoln Lab ETS
Discovery date14 September 1998
Designations
(13732) Woodall
Named after
Ashley Renee Woodall (DCYSC) [2]
1998 RC56 ·1989 EU5
1991 VS13 ·1997 LA16
main-belt  · Vestian [3]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc 27.75 yr (10,135 days)
Aphelion 2.6124 AU
Perihelion 2.1366 AU
2.3745 AU
Eccentricity 0.1002
3.66 yr (1,336 days)
13.655°
0° 16m 9.84s / day
Inclination 6.0477°
204.72°
217.49°
Physical characteristics
Dimensions3.92 km (calculated) [3]
8.2987±0.0005 h [4]
0.20 (assumed) [3]
S [3] [5]
B–V = 0.864±0.147 [6]
V–R = 0.468±0.068 [6]
14.4 [1] [3]  ·15.23±0.10 [5]

    13732 Woodall, provisional designation 1998 RC56, is a stony Vestian asteroid from the inner regions of the asteroid belt, approximately 4 kilometers in diameter. It was discovered on 14 September 1998, by the Lincoln Near-Earth Asteroid Research (LINEAR) team at Lincoln Laboratory's Experimental Test Site in Socorro, New Mexico. [7]

    Contents

    Orbit and classification

    Woodall is a member of the Vesta family, which is named after 4 Vesta, the second-largest asteroid in the main-belt. It orbits the Sun in the inner main-belt at a distance of 2.1–2.6  AU once every 3 years and 8 months (1,336 days). Its orbit has an eccentricity of 0.10 and an inclination of 6° with respect to the ecliptic. [1] The first precovery was taken at Siding Spring Observatory in 1989, extending the asteroid's observation arc by 9 years prior to its official discovery observation. [7]

    Physical characteristics

    Woodall has been characterized as a common S-type asteroid by Pan-STARRS photometric survey. [5]

    A rotational lightcurve was obtained based on photometric observations by Czech astronomer Petr Pravec at the Ondřejov Observatory in September 2009. Lightcurve analysis gave a well-defined rotation period of 8.2987 hours with a brightness amplitude of 0.27 in magnitude ( U=3 ). [4]

    The Collaborative Asteroid Lightcurve Link assumes a standard albedo for stony asteroids of 0.20 and calculates a diameter of 3.9 kilometers with an absolute magnitude of 14.4. [3]

    Naming

    This minor planet was named after Ashley Renee Woodall (born 1987) student at the U.S. Austin Academy for Excellence in Garland, Texas. In 2002, she was a finalist of the Discovery Channel Young Scientist Challenge (DCYSC), a science and engineering competition. [2] The approved naming citation was published by the Minor Planet Center on 21 October 2002 ( M.P.C. 46767). [8]

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    References

    1. 1 2 3 4 "JPL Small-Body Database Browser: 13732 Woodall (1998 RC56)" (2016-11-30 last obs.). Jet Propulsion Laboratory . Retrieved 5 July 2017.
    2. 1 2 Schmadel, Lutz D. (2007). "(13732) Woodall". Dictionary of Minor Planet Names – (13732) Woodall. Springer Berlin Heidelberg. p. 803. doi:10.1007/978-3-540-29925-7_8874. ISBN   978-3-540-00238-3.
    3. 1 2 3 4 5 6 "LCDB Data for (13732) Woodall". Asteroid Lightcurve Database (LCDB). Retrieved 7 April 2016.
    4. 1 2 Pravec, P.; Vokrouhlický, D.; Polishook, D.; Scheeres, D. J.; Harris, A. W.; Galád, A.; et al. (August 2010). "Formation of asteroid pairs by rotational fission". Nature. 466 (7310): 1085–1088. arXiv: 1009.2770 . Bibcode:2010Natur.466.1085P. doi:10.1038/nature09315. PMID   20740010. S2CID   4418631.
    5. 1 2 3 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. S2CID   53493339.
    6. 1 2 Ye, Q.-z. (February 2011). "BVRI Photometry of 53 Unusual Asteroids". The Astronomical Journal. 141 (2): 8. arXiv: 1011.0133 . Bibcode:2011AJ....141...32Y. doi:10.1088/0004-6256/141/2/32. S2CID   119307210.
    7. 1 2 "13732 Woodall (1998 RC56)". Minor Planet Center. Retrieved 7 April 2016.
    8. ↑ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 19 May 2016.
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