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88 Thisbe

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Discovery date  June 15, 1866
Minor planet category  Main belt
Aphelion  482.242 Gm (3.224 AU)
Spectral type  B-type asteroid
Named after  Pyramus and Thisbe
Pronunciation  /ˈθɪzbiː/ THIZ-bee
Adjectives  Thisbean
Discovered  15 June 1866
Orbits  Sun
Discovery site  Litchfield Observatory
88 Thisbe httpsuploadwikimediaorgwikipediacommonsthu
Discovered by  Christian Heinrich Friedrich Peters
Discoverer  Christian Heinrich Friedrich Peters
Similar  Christian Heinrich Friedrich Peters discoveries, Other celestial objects

88 Thisbe (/ˈθɪzb/ THIZ-bee) is the 13th largest main-belt asteroids. 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.

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.

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.

Perturbation

Thisbe has been perturbed by asteroid 7 Iris and in 2001 Michalak estimated it to have a mass of 1.5×1019 kg. But Iris is strongly perturbed by many minor planets such as 10 Hygiea and 15 Eunomia.

In 2008, Baer estimated Thisbe to have a mass of 1.05×1019 kg. In 2011 Baer revised this to 1.83×1019 kg with an uncertainty of 1.09×1018 kg.

References

88 Thisbe Wikipedia


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