4008 Corbin

4008 Corbin, provisional designation 1977 BY, is a stony Phocaea asteroid from the inner regions of the asteroid belt, approximately 6 kilometers in diameter. It was discovered on 22 January 1977, by staff members of the Felix Aguilar Observatory's (formerly known as both, Yale-Columbia Southern Station, and Carlos U. Cesco Station, EACUC) at the Leoncito Astronomical Complex in Argentina.[8]

4008 Corbin
Discovery [1]
Discovered byFelix Aguilar Obs.
Discovery siteLeoncito
Discovery date22 January 1977
Designations
(4008) Corbin
Named after
Brenda & Thomas Corbin (American astronomer)[2]
1977 BY · 1988 CN
main-belt · Phocaea [3][4]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc40.37 yr (14,744 days)
Aphelion2.8548 AU
Perihelion1.8637 AU
2.3593 AU
Eccentricity0.2100
3.62 yr (1,324 days)
67.752°
0° 16m 19.2s / day
Inclination25.514°
167.21°
327.38°
Physical characteristics
Dimensions5.424±0.060[5]
6.011±0.054 km[6]
6.35 km (calculated)[3]
6.203±0.001 h[lower-alpha 1]
0.23 (assumed)[3]
0.264±0.068[5]
0.2836±0.0635[6]
S [3][7]
13.1[6] · 13.2[1][3] · 13.32±0.32[7]

    Orbit and classification

    Corbin is a member of the Phocaea family (701),[4] a group of asteroids with similar orbital characteristics. It orbits the Sun in the inner main-belt at a distance of 1.9–2.9 AU once every 3 years and 7 months (1,324 days). Its orbit has an eccentricity of 0.21 and an inclination of 26° with respect to the ecliptic.[1]

    Physical characteristics

    Corbin has been characterized as a common stony S-type asteroid by PanSTARRS' photometric survey.[7]

    A photometric lightcurve analysis by Czech astronomer Petr Pravec at Ondřejov Observatory in 2010 rendered a well-defined rotation period of 6.203±0.001 hours with a brightness amplitude of 0.12 in magnitude (U=3).[lower-alpha 1]

    According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, the asteroid has an albedo of 0.26 and 0.28 and a diameter of 5.4 and 6.0 kilometers, respectively,[5][6] while the Collaborative Asteroid Lightcurve Link (CALL) assumes a somewhat lower albedo of 0.23 and calculates a correspondingly larger diameter of 6.4 kilometers.[3]

    Naming

    This minor planet was named after American couple Brenda and Thomas Corbin. He was an astronomer at USNO, in charge of the Argentinian EACUC station, and involved in a number of astrometric projects, such as the Astrographic Catalogue Reference Stars. His wife Brenda, who also worked at the EACUC station, is prolific astronomical librarian, known for her work with the Special Libraries Association and in IAU's Working Group on Nomenclature.[2] The official naming citation was published by the Minor Planet Center on 11 February 1998 (M.P.C. 31295).[9]

    Notes
    1. Pravec (2010) web: rotation period 6.203±0.001 hours with a brightness amplitude of 0.12 magnitude. The Collaborative Asteroid Lightcurve Link assigns a quality code of U=3 to the period solution, which denotes a secure result within the precision given and no ambiguity. Summary figures for (4008) Corbin at Collaborative Asteroid Lightcurve Link (CALL) and Ondrejov Asteroid Photometry Project
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    References
    1. "JPL Small-Body Database Browser: 4008 Corbin (1977 BY)" (2017-06-05 last obs.). Jet Propulsion Laboratory. Retrieved 19 June 2017.
    2. Schmadel, Lutz D. (2007). "(4008) Corbin". Dictionary of Minor Planet Names – (4008) Corbin. Springer Berlin Heidelberg. pp. 341–342. doi:10.1007/978-3-540-29925-7_3993. ISBN 978-3-540-00238-3.
    3. "LCDB Data for (4008) Corbin". Asteroid Lightcurve Database (LCDB). Retrieved 23 January 2016.
    4. "Asteroid 4008 Corbin – Nesvorny HCM Asteroid Families V3.0". Small Bodies Data Ferret. Retrieved 27 October 2019.
    5. Masiero, Joseph R.; Grav, T.; Mainzer, A. K.; Nugent, C. R.; Bauer, J. M.; Stevenson, R.; et al. (August 2014). "Main-belt Asteroids with WISE/NEOWISE: Near-infrared Albedos". The Astrophysical Journal. 791 (2): 11. arXiv:1406.6645. Bibcode:2014ApJ...791..121M. doi:10.1088/0004-637X/791/2/121. Retrieved 5 December 2016.
    6. 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 23 January 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 26 April 2016.
    8. "4008 Corbin (1977 BY)". Minor Planet Center. Retrieved 23 January 2016.
    9. "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 26 April 2016.

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