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Location: ??????????
(48.4699°N, 37.9573°E)
Time: 08:50:06

Close Encounter Details

Primary satelliteSecondary satellite
NameIridium 4 RocketCOSMOS 2251 DEB
Spacetrack catalog number2479733942
Radar cross sectionlargemedium
Epoch of two-line elements (UTC)2021 May 11 16:552021 May 11 15:14
Time of closest approach (UTC)2021 Apr 18 19:57:30.690
Minimum distance4.486 km
Height difference-2.999 km
Relative speed5.914 km/s
Angle between velocity vectors47°
Geographic position70.8°N, 62.3°E
Height803 km