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Atala (minor planet designation: 152 Atala) is a large main belt asteroid that was discovered by brothers Paul Henry and Prosper Henry on 2 November 1875, but the discovery was credited to Paul. It is a type D asteroid, meaning that it is composed of carbon, organic rich silicates and possibly water ice.

152 Atala
A three-dimensional model of 152 Atala based on its light curve.
Discovery[1]
Discovered byP. P. Henry
Discovery date2 November 1875
Designations
MPC designation
(152) Atala
Pronunciation/əˈtɑːlə/
French: [atala]
Named after
Atala
Alternative designations
A875 VB
Minor planet category
Main belt
Orbital characteristics[2][3]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc130.69 yr (47735 d)
Aphelion3.3855 AU (506.46 Gm)
Perihelion2.8984 AU (433.59 Gm)
Semi-major axis
3.1420 AU (470.04 Gm)
Eccentricity0.077507
Orbital period (sidereal)
5.57 yr (2034.2 d)
Mean anomaly
52.593°
Mean motion
0° 10m 37.092s / day
Inclination12.114°
Longitude of ascending node
39.945°
Argument of perihelion
59.807°
Earth MOID1.93567 AU (289.572 Gm)
Jupiter MOID1.85235 AU (277.108 Gm)
TJupiter3.171
Physical characteristics
Dimensions65 ± 8 km[4]
71–122 km[5]
Mass(5.43 ± 1.24) × 1018 kg[6]
Synodic rotation period
6.246 h (0.2603 d)
Sidereal rotation period
5.28-6.25 hours
Geometric albedo
0.054
Spectral type
D[7]
Absolute magnitude (H)
8.33

    The asteroid is named for the eponymous heroine of the 1801 novella Atala by François-René de Chateaubriand.[8] The Henry brothers also named the last of their discoveries, 186 Celuta, after another Chateaubriand heroine.[9] Both Atala and Céluta are American Indian fictional characters.[10]

    An occultation of a star by Atala was observed from Japan on 11 March 1994. Subsequent occultations have been observed as recently as 2006.[citation needed]

    Photometric of this asteroid made in 1981 gave a light curve with a period of 5.282 ± 0.004 hours with a brightness variation of 0.50 in magnitude.[11]


    References


    1. Hardard's Numbered MPs
    2. "The Asteroid Orbital Elements Database". astorb. Lowell Observatory.
    3. Yeomans, Donald K., "152 Atala", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 12 May 2016.
    4. Ďurech, Josef; Kaasalainen, Mikko; Herald, David; Dunham, David; Timerson, Brad; Hanuš, Josef; et al. (2011). "Combining asteroid models derived by lightcurve inversion with asteroidal occultation silhouettes" (PDF). Icarus. 214 (2): 652–670. arXiv:1104.4227. Bibcode:2011Icar..214..652D. doi:10.1016/j.icarus.2011.03.016. Archived from the original (PDF) on 3 March 2016. Retrieved 26 January 2012.
    5. Asterodoccultation.com Archived 2006-10-10 at the Wayback Machine
    6. Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, vol. 73, pp. 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
    7. SPIFF LCSUMPUB
    8. Schmadel, Lutz D.; International Astronomical Union (2003). Dictionary of minor planet names. Berlin; New York: Springer-Verlag. p. 29. ISBN 978-3-540-00238-3.
    9. Schmadel, Lutz D.; International Astronomical Union (2012). Dictionary of minor planet names (6th ed.). Berlin; New York: Springer-Verlag. p. 29. ISBN 9783642297182. Retrieved 4 April 2014.
    10. Chateaubriand, François-René (1801). Atala.; Chateaubriand, François-René (1802). René.
    11. Schober, H. J. (July 1983), "The large C-type asteroids 146 Lucina and 410 Chloris, and the small S-type asteroids 152 Atala and 631 Philippina - Rotation periods and lightcurves", Astronomy and Astrophysics Supplement Series, 53: 71–75, Bibcode:1983A&AS...53...71S.



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    На других языках

    [de] (152) Atala

    (152) Atala ist ein Asteroid des Hauptgürtels, der am 2. November 1875 vom französischen Astronomen Paul Pierre Henry entdeckt wurde.
    - [en] 152 Atala

    [es] (152) Atala

    (152) Atala es un asteroide que forma parte del cinturón de asteroides y fue descubierto por Paul Pierre Henry el 2 de noviembre de 1875 desde el observatorio de París, Francia. Está nombrado por Atala, personaje principal de la novela Atala del escritor francés François-René de Chateaubriand (1768-1848).[2]

    [fr] (152) Atala

    (152) Atala est un astéroïde de la ceinture principale.

    [it] 152 Atala

    152 Atala è un massiccio asteroide della fascia principale del sistema solare. Si tratta di un asteroide di tipo scuro, di classe spettrale D, ovvero composto da carbonio, silicati organici complessi e probabilmente ghiaccio d'acqua.

    [ru] (152) Атала

    (152) Атала (фр. Atala) — довольно большой и очень тёмный астероид главного пояса, который принадлежит к редкому спектральному классу D, из-за чего его поверхность богата различными органическими соединениями, в основном углеродом и силикатами, возможно, с примесью водяного льда.


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