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Earth Radiation Pressure Modelling for Beidou IGSO Satellites

Li, Z; Ziebart, M; Grey, S; Bhattarai, S; (2017) Earth Radiation Pressure Modelling for Beidou IGSO Satellites. In: Proceedings of the China Satellite Navigation Conference (CSNC) 2017. China Satellite Navigation Conference (CSNC) 2017: Shanghai, China. Green open access

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Abstract

This study shows ERP (Earth Radiation Pressure) is significant for precise orbit determination of BeiDou satellites, systematic error is observable in the orbit products if it is ignored in the orbital dynamics. Through subdividing CERES (Cloud and Earth Radiation Energy System) 1° by 1° earth radiation grid into 6 levels of triangles, a precise and runtime configurable earth radiation model has been obtained. The results reveal that level 4 subdivision can make the relative error of both longwave and shortwave radiation less than 1%. ERP acceleration for BeiDou IGSO satellite(C08) and its effects on orbit have been analyzed through modelling the earth radiation using a box-wing geometry model. The acceleration in radial is about 2-4 times larger than the along track and normal with magnitude 10-10m/s2 . 30-hour orbit prediction shows the 3D RMS error due to ERP is 0.638 m and its maximum can reach 0.9 m.

Type: Proceedings paper
Title: Earth Radiation Pressure Modelling for Beidou IGSO Satellites
Event: China Satellite Navigation Conference (CSNC) 2017
Location: Shanghai
Dates: 23 May 2017 - 25 May 2017
Open access status: An open access version is available from UCL Discovery
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Earth Radiation Pressure, BDS IGSO, Earth Radiation Model
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10050160
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