high · PROXIMITY
4.96 kmmiss distance
Closest approach (TCA)
2026-07-21 01:36 UTC
Relative speed
4.03 km/s
Altitude
770 km
Operators
US · US
On 2026-07-21 01:36 UTC, USOPS 6182 (DMSP 5D-1 F3) and USIRIDIUM 38 reached a closest approach (TCA) of 4.96 km, with a relative velocity of 4.03 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 — “OPS 6182 (DMSP 5D-1 F3) ⟷ IRIDIUM 38: 4.96 km close approach”, https://orbitalradar.com/conjunction/10820-25043 (accessed 2026-07-21).