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On the potential of accelerometers for GNSS satellite precise orbit determination

Authors
/persons/resource/schrei_p

Schreiner,  Patrick Alexander
1.1 Space Geodetic Techniques, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

/persons/resource/koenigr

König,  R.
1.1 Space Geodetic Techniques, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

/persons/resource/sglaser

Glaser,  S.
1.1 Space Geodetic Techniques, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

/persons/resource/raut

Raut,  Shrishail
1.1 Space Geodetic Techniques, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

/persons/resource/hneum

Neumayer,  Karl
1.2 Global Geomonitoring and Gravity Field, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

/persons/resource/schuh

Schuh,  H.
1.1 Space Geodetic Techniques, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

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Citation

Schreiner, P. A., König, R., Glaser, S., Raut, S., Neumayer, K., Schuh, H. (2023): On the potential of accelerometers for GNSS satellite precise orbit determination, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-3393


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5019554
Abstract
Global navigation satellite systems (GNSS) have become a widely used standard technique for positioning over the decades. This includes applications ranging from autonomous vehicle navigation to high-precision geodetic positioning for the realization of the terrestrial reference system essential for monitoring changes and processes in the Earth’s system. What these applications have in common is that product accuracy directly depends on the accuracy of the GNSS satellite orbits. One of the major uncertainties in GNSS satellite precise orbit determination (POD) is the determination of the non-gravitational force due to solar radiation pressure. There are several empirical, analytical, and hybrid approaches to this problem. Concepts for next-generation GNSS suggest the use of new observation types, including optical inter-satellite links (OISL) and highly accurate clocks. In the project NextGNSS4GGOS, funded by the German Research Foundation (DFG), we take up this concept and investigate the impact of further new observation types for next-generation GNSS on the orbit and subsequent geodetic parameters, including the reference frame. Therefore, we analyze the potential of OISL and additionally of accelerometer observations for Galileo-type satellite POD. To this end, we simulate several existing and future accelerometers assuming probable noise characteristics. We evaluate the potential of the additional accelerometer readings with respect to the accuracy of the orbits determined.