We have updated the UCS Satellite Database, including launches through September 30, 2019. Lots of movement this time, with 209 satellites added and 53 removed for a total of 2,218 actively working satellites.
December 19, 2019 6:09 PM EDT
April 21, 2017 3:28 PM EDT
April 2, 2015 4:41 PM EDT
The purpose of the UCS Satellite Database is to provide information about the on-orbit capabilities of different actors and to provide a research tool for specialists and non-specialists alike, using open-source information about operational satellites.
We try very hard to keep the list accurate and useful, so we appreciate communication from the space community and our users suggesting improvements and pointing out errors.
While some “corrections” are truly errors, many of them arise from differences in definition of terms or misunderstanding about the Database’s purpose. For example, our aim is not to provide information on all orbiting objects (many of which are debris) or to assist in collision avoidance, nor to provide a catalogue of all objects that have ever been launched. Read more >