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Alternative TitleResearch on estimating the rotation state of the upper stage of Falcon 9 Rocket by using lightcurve
苏向泽1,2; 汤儒峰1; 李荣旺1,3; 李语强1,3
Source Publication天文研究与技术 (Astronomical Research & Technology)
Contribution Rank第1完成单位
Indexed ByCSCD
Keyword空间碎片的旋转状态 光变曲线 火箭体 相位离散最小化 猎鹰九号 光度模型


Other Abstract

Lightcurve measurement is one of the main methods for ground-based space-target observation, as the photometric information of the targets can be used to estimate their relevant characteristics. Aiming at better understanding of the rotational state of the space target, a representative upper stage of the Falcon-9 rocket is selected as the object to analyze its rotational state through light curve study. Firstly, the photometric data of the upper stage of the Falcon-9 rocket is obtained with the 1.2-m optical telescope of the Yunnan Observatories. Then the target's magnitude is processed with slant-range normalization. The photometric changing information is obtained, and the time-dependent light curve of the target magnitude is analyzed. Accordingly, the approximate rotation period of the target is estimated, and then the accurate synodic period is calculated by the phase discrete minimization method. Based on the position relationship between the Sun, the target and the observatory, the main inertial axis pointing, the rotation axis pointing, the initial phase and other factors, the theoretical magnitude is calculated using the attitude rotation matrix. The main inertial axis direction, the initial phase angle and the rotation axis pointing direction are determined as well. Finally, the parameters such as the rotational period, the synodic period and the pointing direction of the rotational axis of the upper stage of the Falcon 9 rocket are given, which can serve as a reference for following studies on the photometric information of other space targets.

Funding Project国家自然科学天文联合基金[U1731112] ; 国家自然科学天文联合基金[U1831106] ; 国家自然科学基金[11655001] ; 国家自然科学基金[11703011] ; 中国科学院青年创新促进会项目资助[Y201817] ; 云南省自然科学基金重点项目[2019FA002]
Funding Organization国家自然科学天文联合基金[U1731112, U1831106] ; 国家自然科学基金[11655001, 11703011] ; 中国科学院青年创新促进会项目资助[Y201817] ; 云南省自然科学基金重点项目[2019FA002]
Subject Area天文学 ; 天体力学
MOST Discipline Catalogue理学 ; 理学::天文学
Citation statistics
Document Type期刊论文
Corresponding Author李荣旺
Affiliation1.中国科学院云南天文台, 云南, 昆明, 650011
2.中国科学院空间目标与碎片观测重点实验室, 江苏, 南京, 210034
3.中国科学院大学, 北京, 100049
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
苏向泽,汤儒峰,李荣旺,等. 利用光变曲线估计猎鹰九号火箭末级的旋转状态研究[J]. 天文研究与技术 (Astronomical Research & Technology),2020.
APA 苏向泽,汤儒峰,李荣旺,&李语强.(2020).利用光变曲线估计猎鹰九号火箭末级的旋转状态研究.天文研究与技术 (Astronomical Research & Technology).
MLA 苏向泽,et al."利用光变曲线估计猎鹰九号火箭末级的旋转状态研究".天文研究与技术 (Astronomical Research & Technology) (2020).
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