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88 Thisbe

Main-belt asteroid

Field	Value
minorplanet	yes
background	#D6D6D6
name	88 Thisbe
image	88 Thisbe VLT (2021), deconvolved.pdf
discoverer	Christian Heinrich Friedrich Peters
discovered	15 June 1866
mpc_name	(88) Thisbe
pronounced
named_after	Thisbē
adjectives	Thisbean ,
mp_category	Main belt
orbit_ref
epoch	31 December 2006 (JD 2454100.5)
semimajor	414.025 Gm
perihelion	345.809 Gm
aphelion	482.242 Gm
eccentricity	0.165
period	1681.709 days
inclination	5.219°
asc_node	276.765°
arg_peri	36.591°
mean_anomaly	165.454°
dimensions	(255×232×193)±12 km
flattening	0.19
mean_diameter
225 km
232 km (Dunham)
mass
18.3 kg
1.5 kg
density

rotation	6.04 h
spectral_type	B
abs_magnitude	7.04
albedo	0.057

225 km 232 km (Dunham) 18.3 kg 1.5 kg

88 Thisbe is the 13th largest main-belt asteroid. C. H. F. Peters discovered it on 15 June 1866, named after Thisbe, heroine of a Roman fable. This asteroid orbits the Sun at a distance of 414.025 Gm over a period of 1681.709 days and an orbital eccentricity (ovalness) of 0.165. The orbital plane is inclined at an angle of 5.219° to the ecliptic.

On 7 October 1981, asteroid 88 Thisbe was observed to occult the 9th-magnitude star SAO 187124 from 12 sites. The timing of the different chords across the asteroid provided a diameter estimate of . This is 10% larger than the diameter estimate based on radiometric techniques. 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

Asteroid 7 Iris has perturbed Thisbe; in 2001, Michalak estimated it to have a mass of 15 kg.{{cite journal |access-date=2008-11-06 |doi-access=free

In 2008, Baer estimated Thisbe to have a mass of 10.5 kg. |access-date=2012-04-12 |archive-url=https://web.archive.org/web/20130702212735/http://home.earthlink.net/~jimbaer1/astmass.txt |archive-date=2013-07-02 |url-status=dead In 2011, Baer revised this to 18.3 kg with an uncertainty of 1.1 kg.

Notes

References

Noah Webster. (1884). "A Practical Dictionary of the English Language".
P. Vernazza et al. (2021) VLT/SPHERE imaging survey of the largest main-belt asteroids: Final results and synthesis. ''Astronomy & Astrophysics'' 54, A56
0.067[http://www.psi.edu/pds/resource/albedo.html Asteroid Data Sets] {{webarchive. link. (2009-12-17)
[http://mpocc.astro.cz/world/mpocc1.txt Observed minor planet occultation events, version of 2005 July 26]

Info: Wikipedia Source

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background-asteroids discoveries-by-christian-peters named-minor-planets cf-type-asteroids-(tholen) b-type-asteroids-(smass) astronomical-objects-discovered-in-1866 pyramus-and-thisbe

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