About photometry of geostationary satellites near small phases angles
UDC
523.44; 521.8/9; 520.8Abstract
Determination of photometric and dynamic characteristics of geostationary satellites with low brightness needs long photometrical observations (from half of the year to year) at different positions of satellite to the observer. To receive these characteristics authors offer carrying out photometrical measurements of GSS when it enters and leaves Earth shadow near the dates of equinoxes. In these dates GSS brightness increases by several magnitudes that allows to use telescopes with a mirror diameter of 50-70 cm effectively. It is possible to receive more real information about the reflective properties of the object at small phase angles than during long-term observations at big phase angles.
Keywords:
geostationary satellite, photometry, Earth's shadow, phase angle, identification satellite, equinoxReferences
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Copyright (c) 2013 Сухов П.П., Карпенко Г.Ф., Сухов К.П.
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