[IGSMAIL-8665] Reminder: Genesis Session at COSPAR - Abstract deadline 13.02.2026

[Urs Hugentobler]

Dear Colleagues,

This is a reminder for the next *COSPAR Scientific Assembly* that will 
be held on *01.-09. August 2026 in Florence, Italy*:

https://www.cospar-assembly.org/assembly.php

In particular, we would like to draw your attention to the session

*PSD.2: Genesis *

_https://www.cospar-assembly.org/admin/session_cospar.php?session=1543
_
The abstract deadline is approaching. Important dates

  * *13 February 2026: Abstract submission deadline*
  * *17 May 2026: End of early registration fees*

Looking forward to meeting you in Florence!
Urs Hugentobler
Krzysztof Soscnica
Johannes Böhm


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Session description:

Genesis is a mission of the European Space Agency (ESA) approved for 
launch in 2028. It realizes all major space ties on a satellite in a 
near-polar orbit at about 6000 km altitude, connecting two GNSS antennas 
connected to a common receiver, an SLR retroreflector, a DORIS receiver 
and a dedicated VLBI transmitter.

The ESA mission Genesis will provide well-calibrated space ties for all 
space geodetic techniques, GNSS, SLR, VLBI, DORIS, benefiting the 
realization of the International Terrestrial Reference Frame and 
supporting the goal to achieve a reference frame precision of 1mm and 
stability of 0.1mm/yr, revealing inconsistencies between techniques. The 
consistent ITRF realization with Genesis-based space ties and precise 
orbit determination based on all space geodetic techniques require the 
development of new processing and combination strategies.

In preparation of the Genesis mission this session aims to discuss the 
status, scientific opportunities and challenges of the exploitation of 
the mission. Contributions are solicited from, but not limited to, the 
following areas: (1) status of the mission and the instruments onboard, 
(2) calibration strategies, (3) scenarios for the utilization of Genesis 
including new scientific opportunities, (4) observation strategies, (5) 
Genesis orbit modelling, (6) Genesis orbit determination using the 
different techniques, (7) combination at the observation level and other 
combination strategies, (8) experiences with exploitation of already 
available space ties on current satellite missions, (9) simulation 
studies on impact of Genesis, (10) future ITRF realizations using new 
types of observations.

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Abstract submission deadline: * February 13, 2026*
Notification of acceptance:  April 13, 2026
Early bird registration closes:  May 17, 2026

The Assembly web page address is:
https://www.cospar-assembly.org
The Call for Abstracts may be found at:
https://issuu.com/jccospar/docs/call_for_abstracts_2026?fr=sMzY4Njg3MzM2Njg
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