ON THE ADVANTAGES OF PHOTOMETRIC OBSERVATIONS OF THE GEOSTATIONARYSATELLITES AT SMALL PHASE ANGLES

Автор(и)

  • P. P. Sukhov Astronomical Observatory,Odessa National University, Odessa, Ukraine, Україна
  • G. F. Karpenko Astronomical Observatory,Odessa National University, Odessa, Ukraine, Україна
  • K. P. Sukhov Astronomical Observatory,Odessa National University, Odessa, Ukraine, Україна
  • V. P. Epishev Laboratory of Space Research at Uzhgorod National University,Ukraine, Україна
  • I. I. Motrunych Laboratory of Space Research at Uzhgorod National University,Ukraine, Україна
  • I. Kudzej Vihorlat Observatory, Humenne, Slovakia, Словаччина
  • P. A. Dubovsky Vihorlat Observatory, Humenne, Slovakia, Словаччина

DOI:

https://doi.org/10.18524/1810-4215.2014.27.83080

Ключові слова:

multicolour photometry, geostationary satellite, satellite identification, phase angle, equinox, the Earth's shadow.

Анотація

As a rule, to determine photometric and dynamic characteristics of geostationary satellites required for their identification, long-lasting (from a half of the yearto one year) photometricobservations are needed at GSS different positions relative to the observer. The authors suggest conducting photometric measurements of GSS when they enter and exit the Earth's shadow near equinoxes. On these dates the GSS brightness increases by several magnitudes, so the use of telescopes with a mirror diameter of 50-70 cmcan be effective. For shorter periods it is possible to get more information about the reflective properties of the object than during long-term observations at large phase angles. Several examples of photometric and dynamic characteristics of several GSS obtained near equinoxesare presented here.

Посилання

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Опубліковано

2014-11-14

Номер

Том 27 № 2 (2014)

Розділ

Статті

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Відповідно Закону України про авторське право і суміжні права N 3792-XII від 23 грудня 1993 року