Discovery | |
---|---|
Discovered by | LINEAR |
Discovery site | Lincoln Lab ETS |
Discovery date | 14 September 1998 |
Designations | |
MPC designation | (13732) Woodall |
Named after | Ashley Renee Woodall (DCYSC) |
Alternative designations | 1998 RC56 · 1989 EU5 1991 VS13 · 1997 LA16 |
Minor planet category | main-belt · Vestian |
Orbital characteristics | |
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 |
Semi-major axis | 2.3745 AU |
Eccentricity | 0.1002 |
Orbital period (sidereal) | 3.66 yr (1,336 days) |
Mean anomaly | 13.655° |
Mean motion | 0° 16 9.84 / day |
Inclination | 6.0477° |
Longitude of ascending node | 204.72° |
Argument of perihelion | 217.49° |
Physical characteristics | |
Dimensions | 3.92 km (calculated) |
Synodic rotation period | 8.2987±0.0005 h |
Geometric albedo | 0.20 (assumed) |
Spectral type | S B–V = 0.864±0.147 V–R = 0.468±0.068 |
Absolute magnitude (H) | 14.4 · 15.23±0.10 |
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.
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. 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.
Physical characteristics
Woodall has been characterized as a common S-type asteroid by Pan-STARRS photometric survey.
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).
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.
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. The approved naming citation was published by the Minor Planet Center on 21 October 2002 (M.P.C. 46767).
References
- ^ "JPL Small-Body Database Browser: 13732 Woodall (1998 RC56)" (2016-11-30 last obs.). Jet Propulsion Laboratory. Retrieved 5 July 2017.
- ^ 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.
- ^ "LCDB Data for (13732) Woodall". Asteroid Lightcurve Database (LCDB). Retrieved 7 April 2016.
- ^ 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.
- ^ 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.
- ^ 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.
- ^ "13732 Woodall (1998 RC56)". Minor Planet Center. Retrieved 7 April 2016.
- "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 19 May 2016.
External links
- Nature, Formation of asteroid pairs by rotational fission (26 August 2010)
- Asteroid Lightcurve Database (LCDB), query form (info Archived 16 December 2017 at the Wayback Machine)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (10001)-(15000) – Minor Planet Center
- 13732 Woodall at AstDyS-2, Asteroids—Dynamic Site
- 13732 Woodall at the JPL Small-Body Database
Minor planets navigator | |
---|---|
Small Solar System bodies | |||||||
---|---|---|---|---|---|---|---|
Minor planets |
| ||||||
Comets | |||||||
Other |