A Russian military satellite came within 85 feet of a U.S.-Finnish-owned imaging satellite over South America this weekend, according to orbital tracking data. The encounter marked the closest known deliberate and uninvited interaction between two active spacecraft in low-Earth orbit, experts said.
On October 16, Russia’s Kosmos 2612 adjusted its trajectory to maintain a close relative position to ICEYE-X36, a commercial satellite operated by the Finnish company ICEYE. The Finnish-American satellite has been used to provide intelligence to Ukrainian forces during the ongoing war. Tracking data from LeoLabs, a U.S. space technology company, indicated the two spacecraft were within 500 meters at their closest point, though some estimates placed the distance as low as 30 meters.
Kosmos 2612 reportedly backed off on October 17, ending the close approach. The Russian Ministry of Defense has not commented on the maneuver, and neither has ICEYE nor U.S. defense officials. The incident has prompted scrutiny over the intent behind such proximity operations in space.
What is a rendezvous and proximity operation (RPO)?
RPOs involve spacecraft maneuvers designed to bring two objects into close proximity in orbit. While such operations are not inherently aggressive, they require precise orbital adjustments and can be used for inspection, surveillance, or potential interference. Experts note that these maneuvers are technically complex and differ from routine formation flying in aviation.
Concerns over intent and escalation
Analysts have raised questions about the motivations behind Kosmos 2612’s actions. LeoLabs stated that while the intent remains uncertain, the behavior warrants continued monitoring. The company noted that Russia could have been attempting to inspect, characterize, or shadow the ICEYE-X36 satellite, which may constitute intelligence collection or preparation for future counterspace operations.
Victoria Samson, head of space policy at the Secure World Foundation, emphasized that the context of the war in Ukraine shapes perceptions of such maneuvers. “You’re looking at what Russia is doing here not just in terms of what’s happening in space but as part of a larger examination of what’s happening on Earth,” she said. “Russia and Ukraine are literally at war with each other, and so it’s tinting how you view Russia’s activities here.”
The incident follows a pattern of increased activity in space amid geopolitical tensions, with both Russia and Western nations investing in capabilities to monitor and potentially counter adversarial assets in orbit. While no physical contact occurred, the close approach underscores the growing risks of miscalculation in an increasingly congested orbital environment.