文章基本信息

标题：Spin Axis Determination of Defunct GLONASS Satellites Using Photometry Observation
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作者：Jeeho Lee, ; Eunseo Park† ; Man-Soo Choi 等
期刊名称：Journal of Astronomy and Space Sciences
印刷版ISSN：2093-5587
电子版ISSN：2093-1409
出版年度：2021
卷号：38
期号：1
页码：45-53
DOI：10.5140/JASS.2021.38.1.45
语种：English
出版社：Korean Space Science Society
摘要：GLONASS, a satellite navigation system developed in Russia since 1976, is defunct and orbits in an unstable attitude. The satellites in these problems are not managed and there is no precise information, which can increase the risk of collisions with other space objects. In this study, detailed attitude dynamic have to be analyzed through photometry data, which requires spin period and spin axis. The light curve data is obtained by observing through the photometer at the Graz station and the power spectrum is calculated to obtain the cycle of the satellite. The geometric relationship between observer and sun is analyzed for GLONASS-50 satellite. The box-wing model is applied to obtain the phase reflection of the satellite and obtain the Irradiation of the satellite through this information. In Light Curve and Irradiation, the spin axis is calculated for each peak points with the distance square minimum technique. The spin axis of the GLONASS-50 satellite is RA = 116°, Dec = 92°.
关键词：spin axis ; GLONASS ; photometry observation