Kosmos 2553 is a Russian satellite launched on 5 February 2022, by the Russian Aerospace Forces. The satellite was delivered into orbit by a Soyuz-2.1a rocket with the assistance of a Fregat upper stage. From Wikipedia
Cosmos 2553, launched in 2022 and suspected by U.S. officials of testing nuclear counterspace capabilities, has been tumbling in orbit since late 2024, raising questions about its purpose and operational status.
