APOD mission status and preliminary results
Alternative TitleWOS:000517101300008;20192407038432
Tang, Geshi1; Li, Xie1; Cao, Jianfeng1; Liu, Shushi1; Chen, Guangming1; Man, Haijun1; Zhang, Xiaomin2; Shi, Sihan2; Sun, Ji2; Li, Yongping3; Calabia, Andres
KeywordAtmospheric density Low Earth orbit (LEO) Precise orbit determination (POD) ATMOSPHERIC DENSITIES THERMOSPHERIC DENSITY SATELLITE ORBITS STORM MODEL
AbstractOn September 20th, 2015, twenty satellites were successfully deployed into a near-polar circular orbit at 520 km altitude by the Chinese CZ-6 test rocket, which was launched from the TaiYuan Satellite Launch Center. Among these satellites, a set of 4 CubeSats conform the atmospheric density detection and precise orbit determination (APOD) mission, which is projected for atmospheric density estimation from in-situ detection and precise orbit products. The APOD satellites are manufactured by China Spacesat Co. Ltd. and the payload instruments include an atmospheric density detector (ADD), a dual-frequency dual-mode global navigation satellite system (GNSS) receiver (GPS and Beidou), a satellite laser ranging (SLR) reflector, and an S/X-band very long baseline interferometry (VLBI) beacon. In this paper, we compare the GNSS precise orbit products with colocated SLR observations, and the 3D orbit accuracy shows better than 10 cm RMS. These results reveal the great potential of the onboard micro-electro-mechanical system (MEMS) GNSS receiver. After calibrating ADD density estimates with precise orbit products, the accuracy of our density products can reach about 10% with respect to the background density. Density estimates from APOD are of a great importance for scientific studies on upper atmosphere variations and useful for model data assimilation.
Indexed BySCI ; EI
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Document Type期刊论文
Affiliation1.Nanjing Univ Informat Sci & Technol, Nanjing 210044, Peoples R China
2.Beijing Aerosp Control Ctr, AFDL, Beijing 100094, Peoples R China
3.China Spacesat Co Ltd, Beijing 100094, Peoples R China
4.Chinese Acad Sci, Natl Space Sci Ctr, Beijing 100190, Peoples R China
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Tang, Geshi,Li, Xie,Cao, Jianfeng,et al. APOD mission status and preliminary results[J]. SCIENCE CHINA-EARTH SCIENCES,2020,63(2):257-266.
APA Tang, Geshi.,Li, Xie.,Cao, Jianfeng.,Liu, Shushi.,Chen, Guangming.,...&Calabia, Andres.(2020).APOD mission status and preliminary results.SCIENCE CHINA-EARTH SCIENCES,63(2),257-266.
MLA Tang, Geshi,et al."APOD mission status and preliminary results".SCIENCE CHINA-EARTH SCIENCES 63.2(2020):257-266.
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