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Thisbe, minor planet designation 88 Thisbe, is the 13th largest main-belt asteroid. It was discovered by C. H. F. Peters on June 15, 1866, and named after Thisbe, heroine of a Roman fable. An occultation of a star by Thisbe was observed on October 7, 1981. Results from the occultation indicate a larger than expected diameter of 232 km.[9][10]

88 Thisbe
Discovery
Discovered byChristian Heinrich Friedrich Peters
Discovery dateJune 15, 1866
Designations
MPC designation
(88) Thisbe
Pronunciation/ˈθɪzbiː/[1]
Named after
Thisbē
Minor planet category
Main belt
AdjectivesThisbean /θɪzˈbiːən/, /ˈθɪzbiən/
Orbital characteristics[2]
Epoch December 31, 2006 (JD 2454100.5)
Aphelion482.242 Gm (3.224 AU)
Perihelion345.809 Gm (2.312 AU)
Semi-major axis
414.025 Gm (2.768 AU)
Eccentricity0.165
Orbital period (sidereal)
1681.709 d (4.60 a)
Mean anomaly
165.454°
Inclination5.219°
Longitude of ascending node
276.765°
Argument of perihelion
36.591°
Physical characteristics
Dimensionsc/a = 0.81±0.07[3]
(255×232×193)±12 km[4]
Mean diameter
218±3 km[3]
225 km[4]
232 km (Dunham)[2]
Mass(11.6±2.2)×1018 kg[3]
18.3×1018 kg[4]
1.5×1019 kg[5][6]
Mean density
2.14±0.42 g/cm3[3]
3.06±0.52 g/cm3[4]
Synodic rotation period
6.04[7] h
Geometric albedo
0.057[3]
0.067[8]
Spectral type
B [2]
Absolute magnitude (H)
7.04[2]

    During 2000, 88 Thisbe was observed by radar from the Arecibo Observatory. The return signal matched an effective diameter of 207 ± 22 km. This is consistent with the asteroid dimensions computed through other means.[11]

    Photometric observations of this asteroid during 1977 gave a light curve with a period of 6.0422 ± 0.006 hours and a brightness variation of 0.19 in magnitude.[7]


    Perturbation


    Thisbe has been perturbed by asteroid 7 Iris and in 2001 Michalak estimated it to have a mass of 15×1018 kg.[5][6] But Iris is strongly perturbed by many minor planets such as 10 Hygiea and 15 Eunomia.[5]

    In 2008, Baer estimated Thisbe to have a mass of 10.5×1018 kg.[4] In 2011 Baer revised this to 18.3×1018 kg with an uncertainty of 1.1×1018 kg.[4]


    References


    1. Noah Webster (1884) A Practical Dictionary of the English Language
    2. Yeomans, Donald K., "88 Thisbe", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 25 March 2013.
    3. P. Vernazza et al. (2021) VLT/SPHERE imaging survey of the largest main-belt asteroids: Final results and synthesis. Astronomy & Astrophysics 54, A56
    4. Jim Baer (2011). "Recent Asteroid Mass Determinations". Personal Website. Archived from the original on 2 July 2013. Retrieved 12 April 2012.
    5. Michalak, G. (2001). "Determination of asteroid masses". Astronomy & Astrophysics. 374 (2): 703–711. Bibcode:2001A&A...374..703M. doi:10.1051/0004-6361:20010731. Retrieved 6 November 2008.
    6. (Low mass estimate of Thisbe 0.074 / Mass of Ceres 4.75) * Mass of Ceres 9.43×1020 = 1.47×1019
    7. Schober, H. J.; et al. (April 1979), "Photoelectric photometry and rotation periods of three large and dark asteroids - 49 Pales, 88 Thisbe and 92 Undina", Astronomy and Astrophysics Supplement Series, vol. 36, pp. 1–8, Bibcode:1979A&AS...36....1S.
    8. Asteroid Data Sets Archived 2009-12-17 at the Wayback Machine
    9. Taylor, G. E., "Progress in accurate determinations of diameters of minor planets", Asteroids, comets, meteors; Proceedings of the Meeting, Uppsala, Sweden, June 20–22, 1983, pp. 107–109, Bibcode:1983acm..proc..107T.
    10. Observed minor planet occultation events, version of 2005 July 26
    11. 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] (88) Thisbe

    (88) Thisbe ist ein Asteroid des mittleren Hauptgürtels, der am 15. Juni 1866 durch den deutsch-US-amerikanischen Astronomen Christian Heinrich Friedrich Peters entdeckt wurde[2].
    - [en] 88 Thisbe

    [es] (88) Thisbe

    (88) Thisbe es un asteroide perteneciente al cinturón de asteroides descubierto el 15 de junio de 1866 por Christian Heinrich Friedrich Peters desde el observatorio Litchfield de Clinton, Estados Unidos. Está posiblemente nombrado por Tisbe, un personaje del drama El sueño de una noche de verano del escritor inglés William Shakespeare (1564-1616).[2]

    [ru] (88) Фисба

    (88) Фисба (лат. Thisbe) — астероид главного пояса, который принадлежит к тёмному спектральному классу B. Он был открыт 15 июня 1866 года германо-американским астрономом Кристианом Петерсом в обсерватории Литчфилд и назван в честь легендарной вавилонской влюблённой пары Пирама и Фисбы, история которой имеет нечто схожее с историей шекспировских несчастных влюблённых[4].


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