Photoelectric lightcurves of the asteroid 1862 Apollo

Details Photoelectric lightcurves of the asteroid 1862 Apollo Photoelectric lightcurves of the asteroid 1862 Apollo

May 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987icar...70..246h&link_type=abstract

Icarus (ISSN 0019-1035), vol. 70, May 1987, p. 246-256.

Astronomy and Astrophysics

Astronomy

19

Apollo Asteroids, Light Curve, Photoelectric Emission, Albedo, Magnetic Poles, Planetary Rotation, Asteroids, Apollo, Lightcurves, Photoelectric Methods, Rotation, Period, Magnitude, Scattering, Parameters, Albedo, Brightness, Periodicity, Amplitude, Pole Position, Earth-Based Observations, Telescope Methods, Astronomy

Scientific paper

Photoelectric lightcurves of the asteroid 1862 Apollo were obtained in November - December 1980 and in April - May 1982. The period of rotation is unambiguously determined to be 3.0655±0.0008 hr. A pole position was calculated from the observed deviation of the lightcurve from constant periodicity (synodic-sidereal difference) during both apparitions. The computed 1950 ecliptic coordinates of the pole are: longitude = 56°, latitude = 26°. This is the "north" pole with respect to right-handed (counter-clockwise) rotation. The sidereal period of rotation associated with this pole solution is 3.065436±0.000012 hr.

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