1340 Yvette

1340 Yvette, provisional designation 1934 YA, is a carbonaceous Themistian asteroid from the outer regions of the asteroid belt, approximately 29 kilometers in diameter. It was discovered on 27 December 1934, by astronomer Louis Boyer at the Algiers Observatory, who named it after his niece, Yvette.[2][14]

1340 Yvette
Discovery [1]
Discovered byL. Boyer
Discovery siteAlgiers Obs.
Discovery date27 December 1934
Designations
(1340) Yvette
Named after
Yvette (discoverer's niece)[2]
1934 YA · 1930 DO
1942 GW
main-belt · (outer)
Themis [3][4]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc82.84 yr (30,256 days)
Aphelion3.5930 AU
Perihelion2.7754 AU
3.1842 AU
Eccentricity0.1284
5.68 yr (2,075 days)
123.54°
0° 10m 24.6s / day
Inclination0.4161°
345.69°
224.26°
Physical characteristics
Dimensions25.87±2.6 km[5]
28.40±1.70 km[6]
28.63±0.55 km[7]
29.451±0.278 km[8]
30.3±3.0 km[9]
32±3 km[10]
33.061±0.632 km[11]
3.525 h[12]
0.0587±0.0044[11]
0.06±0.01[10]
0.07±0.01[9]
0.078±0.018[7]
0.082±0.011[6]
0.095±0.015[8]
0.0958±0.023[5]
C [3][13]
11.10[1][3][5][6][7][9][10][11] · 11.12±0.29[13]

    Orbit and classification

    Yvette is a Themistian asteroid that belongs to the Themis family (602),[3][4] a very large family of nearly 5,000 member asteroids, named after 24 Themis.[15]:23 It orbits the Sun in the outer main belt at a distance of 2.8–3.6 AU once every 5 years and 8 months (2,075 days; semi-major axis of 3.18 AU). Its orbit has an eccentricity of 0.13 and an inclination of 0° with respect to the ecliptic.[1]

    The asteroid was first identified as 1930 DO at Heidelberg Observatory in February 1930. The body's observation arc begins with its official discovery observation at Algiers in 1934.[14]

    Physical characteristics

    Yvette has been characterized as a carbonaceous C-type asteroid by Pan-STARRS photometric survey,[13] in line with the overall spectral type of the Themis family.[15]:23

    Rotation period

    Published in 2004, a first rotational lightcurve of Yvette was obtained from photometric observations by Brazilian and Argentinian astronomers. Lightcurve analysis gave a relatively short rotation period of 3.525 hours with a brightness amplitude of 0.16 magnitude (U=2).[12]

    Diameter and albedo

    According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Yvette measures between 25.87 and 33.061 kilometers in diameter and its surface has an albedo between 0.0587 and 0.0958.[5][6][7][8][9][10][11]

    The Collaborative Asteroid Lightcurve Link adopts the results obtained by IRAS, that is an albedo of 0.0958 and a diameter of 25.87 kilometers based on an absolute magnitude of 11.1.[3][5]

    Naming

    This minor planet was named by the discoverer in honor of his niece, Yvette. The official naming citation was mentioned in The Names of the Minor Planets by Paul Herget in 1955 (H 122).[2]

    References
    1. "JPL Small-Body Database Browser: 1340 Yvette (1934 YA)" (2017-10-28 last obs.). Jet Propulsion Laboratory. Retrieved 28 November 2017.
    2. Schmadel, Lutz D. (2007). "(1340) Yvette". Dictionary of Minor Planet Names – (1340) Yvette. Springer Berlin Heidelberg. p. 109. doi:10.1007/978-3-540-29925-7_1341. ISBN 978-3-540-00238-3.
    3. "LCDB Data for (1340) Yvette". Asteroid Lightcurve Database (LCDB). Retrieved 28 November 2017.
    4. "Asteroid 1340 Yvette – Nesvorny HCM Asteroid Families V3.0". Small Bodies Data Ferret. Retrieved 26 October 2019.
    5. Tedesco, E. F.; Noah, P. V.; Noah, M.; Price, S. D. (October 2004). "IRAS Minor Planet Survey V6.0". NASA Planetary Data System. 12: IRAS-A-FPA-3-RDR-IMPS-V6.0. Bibcode:2004PDSS...12.....T. Retrieved 22 October 2019.
    6. Usui, Fumihiko; Kuroda, Daisuke; Müller, Thomas G.; Hasegawa, Sunao; Ishiguro, Masateru; Ootsubo, Takafumi; et al. (October 2011). "Asteroid Catalog Using Akari: AKARI/IRC Mid-Infrared Asteroid Survey". Publications of the Astronomical Society of Japan. 63 (5): 1117–1138. Bibcode:2011PASJ...63.1117U. doi:10.1093/pasj/63.5.1117. Retrieved 17 October 2019. (online, AcuA catalog p. 153)
    7. Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Nugent, C.; et al. (November 2012). "Preliminary Analysis of WISE/NEOWISE 3-Band Cryogenic and Post-cryogenic Observations of Main Belt Asteroids". The Astrophysical Journal Letters. 759 (1): 5. arXiv:1209.5794. Bibcode:2012ApJ...759L...8M. doi:10.1088/2041-8205/759/1/L8. Retrieved 28 November 2017.
    8. 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.
    9. Alí-Lagoa, V.; Licandro, J.; Gil-Hutton, R.; Cañ; ada-Assandri, M.; Delbo', M.; et al. (June 2016). "Differences between the Pallas collisional family and similarly sized B-type asteroids". Astronomy and Astrophysics. 591: 11. Bibcode:2016A&A...591A..14A. doi:10.1051/0004-6361/201527660. Retrieved 28 November 2017.
    10. Alí-Lagoa, V.; de León, J.; Licandro, J.; Delbó, M.; Campins, H.; Pinilla-Alonso, N.; et al. (June 2013). "Physical properties of B-type asteroids from WISE data". Astronomy and Astrophysics. 554: 16. arXiv:1303.5487. Bibcode:2013A&A...554A..71A. doi:10.1051/0004-6361/201220680. Retrieved 28 November 2017.
    11. 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.
    12. Alvarez-Candal, Alvaro; Duffard, René; Angeli, Cláudia A.; Lazzaro, Daniela; Fernández, Silvia (December 2004). "Rotational lightcurves of asteroids belonging to families". Icarus. 172 (2): 388–401. Bibcode:2004Icar..172..388A. doi:10.1016/j.icarus.2004.06.008. Retrieved 28 November 2017.
    13. 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 28 November 2017.
    14. "1340 Yvette (1934 YA)". Minor Planet Center. Retrieved 28 November 2017.
    15. 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.

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