Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986baicz..37..239l&link_type=abstract
Astronomical Institutes of Czechoslovakia, Bulletin (ISSN 0004-6248), vol. 37, July 1986, p. 239-246.
Astronomy and Astrophysics
Astronomy
Geodynamics, Geopotential Research Mission, Gravimetry, Laser Altimeters, Planetary Gravitation, Thematic Mapping, Celestial Mechanics, Satellite Orbits
Scientific paper
The use of twin passive-laser-reflector satellites to improve the longer-wavelength accuracy of earth-gravity-field models, proposed by Klokocnik (1985), is examined theoretically. The effects of different gravitational and nongravitational forces on the twin satellites (created by separation from a single passive satellite after 1 yr or more in stable orbit) are analyzed, and numerical results are presented in graphs. It is shown that the twins can be kept within 20 km if the separation velocity is small (0.03-0.3 m/s) and perpendicular to the orbital plane.
Klokocnik Jaroslav
Lala Petr
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