7553 Buie

7553 Buie (/ˈbuːiː/), provisional designation 1981 FG, is a Nysa asteroid from the inner regions of the asteroid belt, approximately 3.5 kilometers (2.2 miles) in diameter. It was discovered on 30 March 1981, by American astronomer Edward Bowell at Lowell's Anderson Mesa Station near Flagstaff, Arizona.[1] The stony S-type asteroid has a rotation period 4.2 hours an possibly an elongated shape.[7] It was named after American astronomer Marc Buie.[2]

7553 Buie
Discovery [1]
Discovered byE. Bowell
Discovery siteAnderson Mesa Stn.
Discovery date30 March 1981
Designations
(7553) Buie
Pronunciation/ˈbuːiː/
Named after
Marc Buie
(American astronomer)[2]
1981 FG · 1988 AJ3
main-belt [1][3] · (inner)
Nysa [4]
Orbital characteristics [3]
Epoch 23 March 2018 (JD 2458200.5)
Uncertainty parameter 0
Observation arc67.45 yr (24,636 d)
Aphelion2.7426 AU
Perihelion2.0397 AU
2.3911 AU
Eccentricity0.1470
3.70 yr (1,351 d)
15.366°
0° 15m 59.76s / day
Inclination3.2788°
74.697°
95.606°
Physical characteristics
Mean diameter
3.442±0.220 km[5][6]
4.245±0.0071 h[7][8]
0.259±0.063[5][6]
S (Pan-STARRS)[7][9]
S (SDSS-MOC)[10]
14.4[1][3][5][7]

    Orbit and classification

    Buie is a core member of the Nysa family (405),[4] also known as the Herta family,[11] located within the Nysa–Polana complex. It is one of the largest asteroid families of the asteroid belt and named after 44 Nysa.[12]

    It orbits the Sun in the inner main-belt at a distance of 2.0–2.7 AU once every 3 years and 8 months (1,351 days; semi-major axis of 2.39 AU). Its orbit has an eccentricity of 0.15 and an inclination of 3° with respect to the ecliptic.[3] A first precovery was taken at the Palomar Observatory in December 1950, extending the asteroid's observation arc by 31 years prior to its discovery.[1]

    Naming

    This minor planet was named in honor of American Marc William Buie (born 1958), an astronomer at the discovering Lowell Observatory and a prolific discoverer of minor planets including several trans-Neptunian objects. His contributions to planetary astronomy also include research on the moons of Pluto and the development of widely used astronomical software.[2] The official naming citation was published by the Minor Planet Center on 28 July 1999 (M.P.C. 35486).[13]

    Physical characteristics

    Buie has been characterized as a stony S-type asteroid by PanSTARRS photometric survey.[7][9] It is also an S-type in the SDSS-based taxonomy,[10] and agrees with the overall spectral type of the Nysa family.

    Rotation period

    In September 2012, a rotational lightcurve of Buie was obtained from photometric observations made at the Palomar Transient Factory, California. In the R-band, it gave a rotation period of 4.2418±0.0071 hours with a brightness variation of 0.51 magnitude, while in the SG-Band the period was 4.2453±0. hours with an amplitude of 0.53 magnitude (U=2/2).[7][8] A high brightness variation typically indicates a non-spherical shape.

    Diameter and albedo

    According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Buie measures 3.4 kilometers in diameter and its surface has an albedo of 0.259,[5][6] while the Collaborative Asteroid Lightcurve Link assumes a standard albedo for stony asteroids of 0.20 and calculates a diameter of 3.92 kilometers using an absolute magnitude of 14.4.[7]

    References
    1. "7553 Buie (1981 FG)". Minor Planet Center. Retrieved 25 June 2018.
    2. Schmadel, Lutz D. (2007). "(7553) Buie". Dictionary of Minor Planet Names – (7553) Buie. Springer Berlin Heidelberg. p. 603. doi:10.1007/978-3-540-29925-7_6549. ISBN 978-3-540-00238-3.
    3. "JPL Small-Body Database Browser: 7553 Buie (1981 FG)" (2018-05-22 last obs.). Jet Propulsion Laboratory. Retrieved 25 June 2018.
    4. "Asteroid 7553 Buie". Small Bodies Data Ferret. Retrieved 25 June 2018.
    5. 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. (catalog)
    6. 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.
    7. "LCDB Data for (7553) Buie". Asteroid Lightcurve Database (LCDB). Retrieved 25 June 2018.
    8. 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.
    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.
    10. Carvano, J. M.; Hasselmann, P. H.; Lazzaro, D.; Mothé-Diniz, T. (February 2010). "SDSS-based taxonomic classification and orbital distribution of main belt asteroids". Astronomy and Astrophysics. 510: 12. Bibcode:2010A&A...510A..43C. doi:10.1051/0004-6361/200913322. Retrieved 30 October 2019. (PDS data set)
    11. "Asteroid (7553) Buie – Proper Elements". AstDyS-2, Asteroids – Dynamic Site. Retrieved 25 June 2018.
    12. Nesvorný, D.; Broz, M.; Carruba, V. (December 2014). Identification and Dynamical Properties of Asteroid Families. Asteroids IV. pp. 297–321. arXiv:1502.01628. Bibcode:2015aste.book..297N. doi:10.2458/azu_uapress_9780816532131-ch016. ISBN 9780816532131.
    13. "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 25 June 2018.

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