12848 Agostino

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12848 Agostino
Discovery [1]
Discovered by A. Boattini
Discovery site Campo Imperatore
Discovery date10 July 1997
Designations
(12848) Agostino
Named after
Agostino Boattini
(discoverer's father) [2]
1997 NK10 ·1993 QQ10
main-belt  · Eunomia [3]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc 66.88 yr (24,428 days)
Aphelion 2.8514 AU
Perihelion 2.3537 AU
2.6025 AU
Eccentricity 0.0956
4.20 yr (1,534 days)
183.78°
0° 14m 5.28s / day
Inclination 15.066°
172.84°
249.89°
Physical characteristics
Dimensions4.55 km (calculated) [3]
4.864±0.120 km [4] [5]
6.3225±0.0052 h [6]
6.3350±0.0258 h [6]
0.21 (assumed) [3]
0.225±0.033 [4] [5]
S [3]
13.6 [1]  ·13.54±0.32 [7]  ·13.8 [4]  ·13.537±0.006(R) [6]  ·13.574±0.007(R) [6]  ·14.02 [3]

    12848 Agostino, provisional designation 1997 NK10, is a stony Eunomia asteroid from the central region of the asteroid belt, approximately 5 kilometers in diameter.

    Contents

    The asteroid was discovered on 10 July 1997, by Italian astronomer Andrea Boattini at the Campo Imperatore Observatory in the Gran Sasso massif of central Italy. [8] It was named after the father of the discoverer, Agostino Boattini. [2]

    Orbit and classification

    Agostino is a member of the Eunomia family, a large group of stony S-type asteroids and the most prominent family in the intermediate main-belt. It orbits the Sun at a distance of 2.4–2.9  AU once every 4 years and 2 months (1,534 days). Its orbit has an eccentricity of 0.10 and an inclination of 15° with respect to the ecliptic. [1]

    The body's observation arc begins 47 years prior to its official discovery observation with a precovery taken at Palomar Observatory in June 1950. [8]

    Physical characteristics

    Two rotational lightcurves of Agostino were obtained in the R-band from photometric observations by astronomers at the Palomar Transient Factory in August 2010, and February 2012, respectively. Lightcurve analysis gave a rotation period of 6.3350 and 6.3225 hours with a respective brightness variation of 0.51 and 0.84 in magnitude ( U=2/2 ). [6]

    According to the NEOWISE mission of NASA's space-based Wide-field Infrared Survey Explorer, Agostino measures 4.9 kilometers in diameter and its surface has an albedo of 0.23. [4] The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.21 – derived from 15 Eunomia, the family's largest member and namesake – and calculates a diameter of 4.6 kilometers with an absolute magnitude of 14.02. [3]

    Naming

    This minor planet was named after Agostino Boattini (born 1932), the father of the discoverer. [2] The approved naming citation was published by the Minor Planet Center on 9 May 2001 ( M.P.C. 42673). [9]

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    References

    1. 1 2 3 4 "JPL Small-Body Database Browser: 12848 Agostino (1997 NK10)" (2017-05-05 last obs.). Jet Propulsion Laboratory . Retrieved 24 June 2017.
    2. 1 2 3 Schmadel, Lutz D. (2007). "(12848) Agostino". Dictionary of Minor Planet Names – (12848) Agostino. Springer Berlin Heidelberg. p. 789. doi:10.1007/978-3-540-29925-7_8689. ISBN   978-3-540-00238-3.
    3. 1 2 3 4 5 6 "LCDB Data for (12848) Agostino". Asteroid Lightcurve Database (LCDB). Retrieved 2 May 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 2 May 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 4 5 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 2 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 2 May 2016.
    8. 1 2 "12848 Agostino (1997 NK10)". Minor Planet Center. Retrieved 2 May 2016.
    9. ↑ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 2 May 2016.
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