Overview
- THE COSMOS 2581 and 2583 pair, which closed to roughly 3 meters on April 28, held a near-zero relative speed at about 585 kilometers in low Earth orbit, according to COMSPOC.
- COMSPOC, using LeoLabs radar data, said COSMOS 2583 made several small burns to stay next to 2581 in a deliberate rendezvous rather than a chance pass.
- During the event, COSMOS 2582 stayed within 100 kilometers, and a released subsatellite known as Object F passed within 15 kilometers of 2582 and 10 kilometers of 2581 without maneuvering.
- Analysts report the same group has practiced multi-object rendezvous since late 2025, and U.S. officials say the latest pass may indicate anti-satellite testing even as intent remains unconfirmed.
- Experts warn that a misstep at orbital speeds near 8 kilometers per second could shatter spacecraft into thousands of fragments, raising collision risks for satellites and crews in low Earth orbit.