EGU21-12989, updated on 04 Mar 2021
EGU General Assembly 2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

ESA's Earth Orientation Parameter product

Sara Bruni1, Erik Schoenemann2, Volker Mayer3, Michiel Otten1, Tim Springer1, Florian Dilssner1, Werner Enderle2, and René Zandbergen2
Sara Bruni et al.
  • 1PosiTim@ESA/ESOC
  • 2Navigation Support Office ESA/ESOC
  • 3LSE Space@ESA/ESOC

The availability of highly accurate Earth Orientation Parameters (EOPs) in near real time is of major importance for any type of positioning and navigation applications on Earth, Sea, Air and also in Space. This is equally true for all ESA missions and the EU space programs Galileo, EGNOS and Copernicus.

To ensure operational capability, ESA’s Navigation Support Office developed independent EOP products and services.

The EOPs are estimated based on a rigorous combination of the ESA’s contributions to the International Association of Geodesy (IAG) that are used as an input for the generation of the International Earth Rotation Service (IERS) products. For the ESA/ESOC EOP products, the individual parameters are combined on normal equation level and propagated with the contribution of model-based predicted Effective Angular Momentum (EAM) functions.

The ESA/ESOC’s EOP product generation is currently running in pre-operational mode.

This presentation will provide a high-level overview of the methodology and the status of ESA’s EOP products and services. In this context, the accuracy achieved in the test operations and the roadmap for the publication of ESA’s EOP products and services will be outlined.

How to cite: Bruni, S., Schoenemann, E., Mayer, V., Otten, M., Springer, T., Dilssner, F., Enderle, W., and Zandbergen, R.: ESA's Earth Orientation Parameter product, EGU General Assembly 2021, online, 19–30 Apr 2021, EGU21-12989,, 2021.

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