测定地球静止物体降解表面的光度法

Pub Date : 2022-10-28 DOI:10.15407/knit2022.05.075
P. Sukhov, K. Sukhov, A. L. Pavlovskyi, S. A. Mamray
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引用次数: 0

摘要

我们提出了一种新的方法,使用光度数据来确定由于GSS在轨道上的主动操作而导致的GSS表面光学参数的退化。介绍了几年来具有不同类型空间平台的几颗地球静止卫星表面光谱反射(退化)系数变化的实验数据。数据来自滤波器B、V和R中的地面光度观测。在所研究的卫星中,有“Astra 2E”(Eurostar-3000总线)、“Azerspace 2/Intelsat 38”(SSL-1300总线)、”Sicral 2“(Spacebus-4000B2总线)、Сosmos 2520/Blagovest 11L”(Ekspress-2000总线)。结果表明,不同卫星表面反射率变化的性质不同。21世纪第二个十年制造的地球静止卫星表面的空间材料表明,与20世纪末制造的卫星相比,它们的表面更能抵抗侵略性的空间环境。提出了利用多色光度观测确定不同光谱带中空间物质类型及其颜色的方法。作为实验室方法的延续或补充,作者建议使用地面多色光度观测的结果来确定航天器表面的退化程度。
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Photometric method for determing degradation surface of a geostationary object
We propose a new method of using photometric data for determining the degradation of the optical parameters of the GSS surface since the GSS’s active operation in orbit. Experimental data on changes in the coefficients of spectral reflection (degradation) of the surface of several geostationary satellites with different types of space platforms over several years are presented. Data were obtained from ground-based photometric observations in filters B, V, and R. Among studied satellites, there are „Astra 2E” (bus Eurostar-3000), „Azerspace 2/Intelsat 38” (bus SSL-1300), „Sicral 2” (bus Spacebus-4000B2), „Сosmos 2520/ Blagovest 11L” (bus Ekspress-2000). It was revealed that the nature of the change in the surface reflectivity for the different satellites differs. Space materials on the surface of geostationary satellites manufactured in the second decade of the 21st century demonstrate that their surface is more resistant to the aggressive space environment than that of the satellites manufactured in the late 20th century. Methods for determining the type of space material and its color in different spectral bands using multicolor photometric observations are proposed. As a continuation or addition to the laboratory method, the authors propose to use the results of ground-based multicolor photometric observations to determine the degree of degradation of the spacecraft’s surface.
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