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Main-belt asteroid
37 Fides
A three-dimensional model of 37 Fides based on its light curve
Photometric observations of this asteroid at multiple observatories during 1981–82 gave an unusual light curve with three minima and maxima. The curve changed with varying phase angle of the asteroid relative to the viewer and the position of the Sun, indicating the changing influence of shadows cast by surface features. The composite light curve has a best fit period estimate of 7.33 hours. Austrian astronomer Hans Josef Schober has suggested that the multiple minima and maxima during each period may be an indication of a binary nature.
Notes
Assuming a diameter of 103.23 ± 1.39 km.
References
Noah Webster (1884) A Practical Dictionary of the English Language
Zappla, V.; et al. (July 1983), "Remarkable modification of light curves for shadowing effects on irregular surfaces - The case of the asteroid 37 Fides", Astronomy and Astrophysics, 123 (2): 326–330, Bibcode:1983A&A...123..326Z.
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A three-dimensional model of 37 Fides based on its light curve.svg){kind=small}
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). 37 Fides is also a S-type asteroid in the Tholen classification system.
