high · PROXIMITY
4.09 kmmiss distance
Closest approach (TCA)
2026-06-17 13:22 UTC
Relative speed
14.24 km/s
Altitude
782 km
Operators
CIS · ORB
On 2026-06-17 13:22 UTC, RUCOSMOS 923 and ORBORBCOMM FM 3 reached a closest approach (TCA) of 4.09 km, with a relative velocity of 14.24 km/s. Miss distance and time of closest approach are computed by propagating the latest published orbital elements (TLEs) for both objects. Values update as new element sets are published. Learn more on the Satellite Maneuver Tracker, and see space situational awareness for context.
Cite this encounter: Orbital Radar — “COSMOS 923 ⟷ ORBCOMM FM 3: 4.09 km close approach”, https://orbitalradar.com/conjunction/10120-25158 (accessed 2026-06-16).