ESA's Optical Ground Station (OGS) is a facility built by ESA to support tests of optical communication between Earth and orbiting satellites. The instrument is routinely used by ESA's Space Safety...

The May monthly update is still ongoing. Some objects, may be temporarily unavailable.

Additional information

Warning: on April 13th at 09:00 UTC, some maintenance activities will be performed on our system. Some services may be temporarily unavailable.  

April 2023 Newsletter

Asteroid 2023 DZ2

March 2023 Newsletter

Warning: on March 6th at 09:00 UTC, some maintenance activities will be performed on our system. Some services, may be temporarily disrupted or unavailable.  

Warning: on March 2nd at 09:00 UTC, some maintenance activities will be performed on our system. Some services, including the ephemeris and APIs, may be temporarily disrupted or unavailable.