13260 Sabadell

13260 Sabadell, provisional designation 1998 QZ15, is a stony Eunomia asteroid from the middle region of the asteroid belt, approximately 6 kilometers in diameter. It was discovered by Spanish–Catalan amateur astronomers Ferrán Casarramona and Antoni Vidal at the Montjoia Observatory (953), Barcelona, on 23 August 1998.[8] The asteroid was named after the astronomical society "Agrupació Astronómica de Sabadell".[2]

13260 Sabadell
Discovery [1]
Discovered byF. Casarramona
A. Vidal
Discovery siteMontjoia Obs. (953)
Discovery date23 August 1998
Designations
(13260) Sabadell
Named after
Agrupació Astronómica de Sabadell
(astronomical society)[2]
1998 QZ15 · 1974 TQ1
main-belt · Eunomia [3]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc65.24 yr (23,830 days)
Aphelion2.9514 AU
Perihelion2.1463 AU
2.5489 AU
Eccentricity0.1579
4.07 yr (1,486 days)
271.20°
0° 14m 31.92s / day
Inclination12.757°
286.97°
6.9381°
Physical characteristics
Dimensions5.304±0.105 km[4][5]
6.06 km (calculated)[3]
6.4366±0.0007 h[6]
0.21 (assumed)[3]
0.306±0.029[4][5]
S [3]
13.5[1][3] · 13.48±0.86[7] · 13.1[4]

    Orbit and classification

    Sabadell is a member of the Eunomia family, a large group of S-type asteroids and the most prominent family in the intermediate main-belt. It orbits the Sun in the central main-belt at a distance of 2.1–3.0 AU once every 4 years and 1 month (1,486 days). Its orbit has an eccentricity of 0.16 and an inclination of 13° with respect to the ecliptic.[1] The first precovery was taken at Palomar Observatory in 1952, extending the asteroid's observation arc by 46 years prior to its discovery.[8]

    Physical characteristics

    Lightcurves

    In 2006, a photometric lightcurve analysis by Italian astronomers Silvano Casulli and Antonio Vagnozzi gave a well-defined rotation period of 6.4366 hours with a brightness amplitude of 0.56 in magnitude (U=3).[6]

    Diameter and albedo

    According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, the asteroid measures 5.3 kilometers in diameter and has a high surface albedo of 0.31,[4] while the Collaborative Asteroid Lightcurve Link assumes an albedo of 0.21 and calculates a diameter of 6.1 kilometers, as the lower the body's albedo (reflectivity) the higher its diameter, at a constant absolute magnitude (brightness).[3]

    Naming

    This minor planet was named for the well known Catalan–Spanish amateur astronomical society Agrupació Astronómica de Sabadell, which celebrated its 40th anniversary in 2000. Both discoverers are members of this society.[2] The approved naming citation was published by the Minor Planet Center on 26 July 2000 (M.P.C. 41032).[9] The society uses the Observatorio de Sabadell (619), one of the country's most prolific amateur observatories, located in a park in the center of Sabadell, near Barcelona, Spain.[10]

    References
    1. "JPL Small-Body Database Browser: 13260 Sabadell (1998 QZ15)" (2017-04-29 last obs.). Jet Propulsion Laboratory. Retrieved 5 July 2017.
    2. Schmadel, Lutz D. (2007). "(13260) Sabadell". Dictionary of Minor Planet Names – (13260) Sabadell. Springer Berlin Heidelberg. p. 795. doi:10.1007/978-3-540-29925-7_8771. ISBN 978-3-540-00238-3.
    3. "LCDB Data for (13260) Sabadell". Asteroid Lightcurve Database (LCDB). Retrieved 17 May 2016.
    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 17 May 2016.
    5. 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. Behrend, Raoul. "Asteroids and comets rotation curves – (13260) Sabadell". Geneva Observatory. Retrieved 17 May 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 17 May 2016.
    8. "13260 Sabadell (1998 QZ15)". Minor Planet Center. Retrieved 24 January 2016.
    9. "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 17 May 2016.
    10. "Observatorio de Sabadell". Astrónomica de Sabadell (in Spanish). Retrieved 26 April 2016.

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