Agency
31/08/2026
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In brief
Get ready for the 15th annual ESA Open Day event at ESTEC in the Netherlands! For one day each year, ESTEC throws open its doors to give you the chance to explore behind-the-scenes of a real Space Agency, hear from our engineers, scientists and astronauts or get up close to the technology we build for space missions.
In-depth
When
Sunday 27 September 2026
10:00 to 17:00
Where
ESA ESTEC in Noordwijk, the Netherlands.
How to register
Admission is free, but you need to register for tickets to enter ESTEC on the day – register here.
Please note that we have limited tickets available. If you have registered and are unable to attend on the day, please cancel by emailing ESA Conference Bureau at esaconferencebureau@atpi.com. This will allow others to attend.
Each registration is limited to four tickets. If booking for more than one person, please indicate in the registration form and fill out the required details for all ticket holders.
Your own space adventure
Our scientists, engineers and space professionals will guide you through ESTEC, showing you what they have been working on – from the test centre to our laboratories and the latest robotics.
ESTEC’s official visitor centre Space Expo will also participate to the Open Day, along with a full schedule of talks and events from Space Rocks, celebrating the art and culture of space and science.
About ESTEC
ESA ESTEC in Noordwijk, the Netherlands, is ESA’s technical centre and ESA’s largest establishment.
ESTEC is where ESA missions are born and new technologies are developed and tested.
More information
For further details on the ESA Open Days around our establishments, keep an eye on this page and our social media.
The event is preceded by the ESA Open Day for people with a disability, held on Saturday 26 September.
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