[IGSMAIL-8142] Precise Orbit Determination for Geodesy and Earth Science | G2.1 | EGU22 | Reminder

[Adrian Jaeggi]

Dear colleagues,

this is to remind you (with apologies for multiple postings) to submit 
an abstract for the Session G2.1: Precise Orbit Determination for 
Geodesy and Earth Science until January 12, 2022 at 13:00 CET. The 
session is planned as an "oral/poster session" in case EGU22 will have 
an in-person component, as it is at the moment still planned. But there 
will also be the possibility of uploading presentation materials 
(including pre-recorded presentations) and there will be an online 
discussion forum for each presentation to give online-only participants 
the chance to view all presentations and to interact with the presenters.

We thus encourage you to submit an abstract to this dedicated orbit 
session irrespective of your preference for an in-person or virtual 
participation.

Session description:

Precise orbit determination is of central importance for many 
applications of geodesy and earth science. The challenge is to determine 
satellite orbits in an absolute sense at the centimeter or even 
sub-centimeter level, and at the millimeter or even sub-millimeter level 
in a relative sense. Four constellations of GNSS satellites are 
available and numerous position-critical missions (e.g. altimetry, 
gravity, SAR and SLR missions) are currently in orbit. Altogether, 
outstanding data are available offering new opportunities to push orbit 
determination to the limit and to explore new applications.

This session aims to make accessible the technical challenges of orbit 
determination and modelling to the wider community and to quantify the 
nature of the impact of dynamics errors on the various applications. 
Contributions are solicited from, but not limited to, the following 
areas: (1) precise orbit determination and validation; (2) satellite 
surface force modelling; (3) advances in modelling atmospheric density 
and in atmospheric gravity; (4) advances in modelling earth radiation 
fluxes and their interaction with space vehicles; (5) analysis of 
changes in geodetic parameters/earth models resulting from improved 
force modelling/orbit determination methods; (6) improvements in 
observable modelling for all tracking systems, e.g. SLR, DORIS, GNSS and 
their impact on orbit determination; (7) advances in combining the 
different tracking systems for orbit determination; (8) the impact of 
improved clock modelling methods / space clocks on precise orbit 
determination; (9) advances in modelling satellite attitude.

On behalf of the convenors of session G2.1,

Adrian Jäggi

Co-conveners: Alexandre Couhert, Urs Hugentobler, Oliver Montenbruck, 
Heike Peter

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  Adrian Jaeggi                     Astronomical Institute, University of Bern
  adrian.jaeggi at aiub.unibe.ch       Sidlerstrasse 5, CH-3012 Bern, Switzerland
  http://www.aiub.unibe.ch/         Tel: +41 31 6318596    Fax: +41 31 6313869
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