Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...138..464c&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 138, no. 2, Sept. 1984, p. 464-468. Research supported by the Consiglio Nazion
Astronomy and Astrophysics
Astrophysics
38
Asteroids, Planetary Evolution, Shapes, Amplitude Distribution Analysis, Collisions, Fragments, Hypervelocity Impact, Impact Tests, Light Curve, Spectrum Analysis, Asteroids, Distribution, Shape, Analysis, Lightcurves, Amplitude, Comparisons, Experiments, Classification, Apollo Asteroids, Size, Amor Asteroids, Collisions, Evolution, Fragments
Scientific paper
The shape distribution of asteroids, as indicated by light curve amplitudes, is compared to a similar distribution obtained for fragments generated in high-velocity impact experiments. By dividing the asteroids in three different classes (small objects, less than 100 km in diameter; asteroids larger than 200 km; Apollo-Amor objects), the authors show that only the first class agrees satisfactorily with the fragment distribution; large objects are considerably less elongated, suggesting that they have relaxed to symmetric equilibrium figures, while in the Apollo-Amor group a higher number of very elongated objects is present. These results are briefly discussed in the framework of the current ideas on the collisional evolution of asteroids.
Catullo V.
Farinella Paolo
Paolicchi Paolo
Zappala Vincent
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