Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993rael...38.1842z&link_type=abstract
Radiotekhnika i Ehlektronika, vol. 38, p. 1842
Astronomy and Astrophysics
Astronomy
3
Asteroids, Solar Orbits, Radar Data, Doppler Effect, Planetology, Planetary Rotation, Astrometry, Planetary Structure
Scientific paper
A radar study of the asteroid 4179 Tautatis was first conducted on December 8 and 9, 1992, when the asteroid was at its minimum distance (3.6 million km) from the earth. Radar measurements of the Doppler shift of the echo signals made it possible to make a significantly more accurate determination of the asteroid orbit. It is found that Tautatis is a binary asteroid; the integral characteristics of its surface, including polarization ratio, radar cross section, and albedo, are determined. The period of the proper rotation of the asteroid is estimated.
Krivtsov Alexander P.
Rzhiga O. R.
Shubin Vladimir A.
Sokol'Skij A. G.
Vyshlov A. S.
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