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On a Feasibility of Modeling Temporal Gravity Field Variations from Orbits of Non-dedicated Satellites
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SYSNO ASEP 0333676 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title On a Feasibility of Modeling Temporal Gravity Field Variations from Orbits of Non-dedicated Satellites Author(s) Ditmar, P. (NL)
Bezděk, Aleš (ASU-R) RID, ORCID
Liu, X. (NL)
Zhao, Q. (NL)Source Title Observing our Changing Earth. - Berlin : Springer, 2009 - ISSN 0939-9585 - ISBN 978-3-540-85425-8 Pages s. 307-313 Number of pages 7 s. Action General Assembly of the International Association of Geodesy Event date 02.07.2007-13.07.2007 VEvent location Perugia Country IT - Italy Event type WRD Language eng - English Country DE - Germany Keywords gravity field ; GPS ; GRACE Subject RIV BN - Astronomy, Celestial Mechanics, Astrophysics CEZ AV0Z10030501 - ASU-R (2005-2011) Annotation A numerical study has been conducted in order to analyze under what conditions temporal variations of the Earth’s gravity field can be recovered from the orbit of a satellite that is not equipped with an accelerometer. It turned out that inaccuracies of the orbit determination is the only reason why a satellite orbit cannot be used to monitor temporal gravity field variations. Workplace Astronomical Institute Contact Radka Svašková, bibl@asu.cas.cz, Tel.: 323 620 326 Year of Publishing 2012
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