152 Atala

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152 Atala
152Atala (Lightcurve Inversion).png
A three-dimensional model of 152 Atala based on its light curve.
Discovery [1]
Discovered by P. P. Henry
Discovery date2 November 1875
Designations
(152) Atala
Pronunciation /əˈtɑːlə/
French: [atala]
Named after
 Atala
A875 VB
Main belt
Orbital characteristics [2] [3]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 130.69 yr (47735 d)
Aphelion 3.3855  AU (506.46  Gm)
Perihelion 2.8984 AU (433.59 Gm)
3.1420 AU (470.04 Gm)
Eccentricity 0.077507
5.57 yr (2034.2 d)
52.593°
0° 10m 37.092s / day
Inclination 12.114°
39.945°
59.807°
Earth  MOID 1.93567 AU (289.572 Gm)
Jupiter  MOID 1.85235 AU (277.108 Gm)
TJupiter 3.171
Physical characteristics
Dimensions65 ± 8 km [4]
71–122 km [5]
Mass (5.43 ± 1.24) × 1018 kg [6]
6.246  h (0.2603  d)
5.28-6.25 hours
0.054
D [7]
8.33

    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.

    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]

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    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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