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Ate (minor planet designation: 111 Ate) is a main-belt asteroid that was discovered by the German-American astronomer C. H. F. Peters on August 14, 1870,[6] and named after Ate, the goddess of mischief and destruction in Greek mythology. In the Tholen classification system, it is categorized as a carbonaceous C-type asteroid, while the Bus asteroid taxonomy system lists it as an Ch asteroid.[5]

For other uses, see Ate (disambiguation).
111 Ate
Discovery
Discovered byChristian Heinrich Friedrich Peters
Discovery date14 August 1870
Designations
MPC designation
(111) Ate
Pronunciation/ˈeɪtiː/[1]
Alternative designations
A870 PA; 1911 KE;
1935 AA
Minor planet category
Main belt
Orbital characteristics[2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc145.66 yr (53202 d)
Aphelion2.8614 AU (428.06 Gm)
Perihelion2.32553 AU (347.894 Gm)
Semi-major axis
2.59349 AU (387.981 Gm)
Eccentricity0.10332
Orbital period (sidereal)
4.18 yr (1525.5 d)
Average orbital speed
18.44 km/s
Mean anomaly
190.607°
Mean motion
0° 14m 9.532s / day
Inclination4.9318°
Longitude of ascending node
305.757°
Argument of perihelion
166.424°
Earth MOID1.34088 AU (200.593 Gm)
Jupiter MOID2.23131 AU (333.799 Gm)
TJupiter3.406
Physical characteristics
Dimensions126.34 km[2]
142.85 ± 5.94 km[3]
Mass(1.76 ± 0.44) × 1018 kg[3]
Mean density
1.15 ± 0.32 g/cm3[3]
Equatorial surface gravity
0.0376 m/s²
Equatorial escape velocity
0.0712 km/s
Synodic rotation period
22.072 h (0.9197 d)[2]
22.072 ± 0.001 h[4]
Geometric albedo
0.0605±0.004
Temperature~173 K
Spectral type
C[5]
Absolute magnitude (H)
8.02

    Two stellar occultations by Ate were observed in 2000, only two months apart. The occultation of the star HIP 2559 by 111 Ate was used to determine a chord length of 125.6 ± 7.2 km through the asteroid, giving a lower bound on the maximum dimension.[7] During 2000, 111 Ate was observed by radar from the Arecibo Observatory. The return signal matched an effective diameter of 135 ± 15 km.[8] The estimated size of this asteroid is 143[3] km, making it one of the larger asteroids.

    Based upon an irregular light curve that was generated from photometric observations of this asteroid at Pulkovo Observatory, it has a rotation period of 22.072 ± 0.001 hours and varies in brightness by 0.12 ± 0.01 in magnitude.[4]


    References


    1. Noah Webster (1884) A Practical Dictionary of the English Language
    2. Yeomans, Donald K., "111 Ate", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 12 May 2016.
    3. 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.
    4. Pilcher, Frederick (October 2011), "Rotation Period Determinations for 11 Parthenope, 38 Leda, 111 Ate 194 Prokne, 217 Eudora, and 224 Oceana", The Minor Planet Bulletin, vol. 38, no. 4, pp. 183–185, Bibcode:2011MPBu...38..183P.
    5. DeMeo, Francesca E.; et al. (July 2009), "An extension of the Bus asteroid taxonomy into the near-infrared" (PDF), Icarus, vol. 202, no. 1, pp. 160–180, Bibcode:2009Icar..202..160D, doi:10.1016/j.icarus.2009.02.005, archived from the original (PDF) on 17 March 2014, retrieved 8 April 2013. See appendix A.
    6. "Numbered Minor Planets 1–5000", Discovery Circumstances, IAU Minor Planet center, retrieved 7 April 2013.
    7. Devyatkin, A. V.; et al. (November 2008), "Photometric observations of solar system bodies with ZA-320M automatic mirror astrograph in Pulkovo observatory", Planetary and Space Science, vol. 56, no. 14, pp. 1888–1892, Bibcode:2008P&SS...56.1888D, doi:10.1016/j.pss.2008.02.014. See Table 1.
    8. Magri, Christopher; et al. (January 2007), "A radar survey of main-belt asteroids: Arecibo observations of 55 objects during 1999–2003", Icarus, 186 (1): 126–151, Bibcode:2007Icar..186..126M, doi:10.1016/j.icarus.2006.08.018



    На других языках

    [de] (111) Ate

    (111) Ate ist ein Asteroid des Hauptgürtels. Er wurde nach Ate, einer Tochter des Zeus, die wegen ihrer Unarten aus dem Olymp verwiesen wurde, benannt.
    - [en] 111 Ate

    [es] (111) Ate

    (111) Ate es un asteroide que forma parte del cinturón de asteroides y fue descubierto el 14 de agosto de 1870 por Christian Heinrich Friedrich Peters desde el observatorio Litchfield de Clinton, Estados Unidos. Está nombrado por Até, una diosa de la mitología griega.[2]

    [ru] (111) Ата

    (111) Ата (лат. Ate) — астероид главного пояса, принадлежащий к тёмному спектральному классу C. Астероид был открыт 14 августа 1870 года германо-американским астрономом К. Г. Ф. Петерсом и назван в честь Аты — древнегреческой богини, персонификации заблуждения, помрачения ума, обмана, глупости[1].


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