A possible rotation period for the minor planet 164 Eva

Details A possible rotation period for the minor planet 164 Eva A possible rotation period for the minor planet 164 Eva

May 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977icar...31..175s&link_type=abstract

Icarus, vol. 31, May 1977, p. 175-179. Research supported by the Oesterreichische Nationalbank.

Astronomy and Astrophysics

Astronomy

3

Asteroids, Astronomical Photometry, Electrophotometry, Light Curve, Planetary Rotation, Angular Velocity

Scientific paper

The minor planet 164 Eva passed through opposition on December 1, 1975, with a magnitude of 11.3 mag. Photoelectric observations at the Observatory of Torino, Italy, were carried out in two nights on Oct. 27/28 and Nov. 11, each with a run of about 3 hr. Two further successful photoelectric observations were carried out at the OHP, France, each with a run of about 6 hr. From all observed parts of the lightcurve a resulting synodic period of rotation of about 27.3 hr can be deduced, with a range of the total amplitude of at least 0.07 mag. With this period of 27.3 hr the minor planet 164 Eva is one more long period object, falling now between 654 Zelinda and 139 Juewa, at the high end in the histogram of the distribution of minor planet rotation periods.

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