Photometric geodesy of main-belt asteroids. III. Additional lightcurves

Journal Article · Wed Aug 01 00:00:00 EDT 1990 · Icarus (International Journal of the Solar System); (USA)

DOI:https://doi.org/10.1016/0019-1035(90)90227-Z· OSTI ID:6438489

Weidenschilling, S J; Chapman, C R; Davis, D R; Greenberg, R; Levy, D H ^[1]

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1. Planetary Science Institute, Tucson, AZ (USA)

A total of 107 complete or partial lightcurves are presented for 59 different asteroids over the 1982-1989 period. Unusual lightcurves with unequal minima and maxima at large amplitudes are preferentially seen for M-type asteroids. Some asteroids, such as 16 Psyche and 201 Penelope, exhibit lightcurves combining large amplitude with very unequal brightness for both maxima and both minima, even at small phase angles. An M-type asteroid is believed to consist of a metal core of a differentiated parent body that has had its rocky mantle completely removed by one or more large impacts. 39 refs.

• OSTI ID: 6438489
• Journal Information: Icarus (International Journal of the Solar System); (USA), Vol. 86; ISSN 0019-1035
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ASTEROIDS
PHOTOMETRY
ALBEDO
BRIGHTNESS
CHEMICAL COMPOSITION
GEODESY
INFRARED RADIATION
PLANETARY EVOLUTION
STELLAR RADIATION
VISIBLE SPECTRA
ELECTROMAGNETIC RADIATION
OPTICAL PROPERTIES
PHYSICAL PROPERTIES
RADIATIONS
SOLAR SYSTEM EVOLUTION
SPECTRA
640107* - Astrophysics & Cosmology- Planetary Phenomena