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Location: ??????????
(48.4699°N, 37.9573°E)
Time: 08:26:15

Close Encounter Details

Primary satelliteSecondary satellite
NameIridium 4 RocketCOSMOS 2251 DEB
Spacetrack catalog number2479734738
Radar cross sectionlargesmall
Epoch of two-line elements (UTC)2021 May 11 16:552021 May 11 18:53
Time of closest approach (UTC)2021 Apr 20 13:29:39.978
Minimum distance3.778 km
Height difference-3.545 km
Relative speed13.783 km/s
Angle between velocity vectors136°
Geographic position63.3°N, 154.2°E
Height796 km