ASTEROID DAY 2026 IN LUXEMBOURG
Asteroid Day returns to Luxembourg on 26 and 27 June 2026 with a public programme dedicated to space, asteroids, science and inspiring encounters. This year’s programme will invite audiences to discover the night sky, meet space experts and astronauts, and explore how the study of asteroids helps us better understand our Solar System and our planet.
The events are open to the public and hosted in Luxembourg, with the Asteroid Day Festival taking place at Cercle Cité. Selected sessions will also be live-streamed on Asteroid Day’s digital platforms.
Join us for Astronomer for a Night on 26 June and the Asteroid Day Festival on 27 June.
WATCH THE EXCITING SPACE TALKS FROM ASTEROID DAY FESTIVAL 2025!
FIND AN ASTEROID DAY EVENT
Find an Asteroid Day near you. Can‘t find one? Then contact your regional
coordinator or organise an event yourself. Get started here!
100X DECLARATION SIGNATORIES
Brian May
Mayim Bialik
Jack Black
Marc Kelly
Nicole Stott
Ashton Kutcher
Bill Nye
Sarah Brightman
Brian Cox
Anousheh Ansari
Leland Melvin
SUPPORT ASTEROID DAY
Asteroid Day is a global program supporting thousands of independently organized events on June 30th, provides online educational asteroid resources 365 days a year and produces a 24-hour global broadcast with an all-star lineup called Asteroid Day LIVE from Luxembourg. Your financial support enables us to deliver these programs.
Please consider a gift of any amount help us educate the world about asteroids.








