Warning: on May 16th at 09:00 UTC, some maintenance activities will be performed on our system. The portal may be temporarily unavailable.  

May 2023 Newsletter

ESA’s expanding observational network forms the first pillar of its programme for planetary defence. Thanks to a number of telescopes either directly owned, funded or in scientific agreement with...

ESA's Test Bed Telescopes (TBT) are two twin telescopes built by ESA to test different observational activities in the optical detection of NEO’s and satellites or space debris. The two telescopes...