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Location: Ferchesar
(52.6477°N, 12.4298°E)
Time: 19:09:06

Close Encounter Details

Primary satelliteSecondary satellite
NameEnvisatIridium 16
Spacetrack catalog number2738624841
Radar cross sectionlargelarge
Epoch of two-line elements (UTC)2021 Oct 21 11:272021 Oct 20 20:02
Time of closest approach (UTC)2021 Sep 22 20:41:16.200
Minimum distance4.255 km
Height difference3.990 km
Relative speed14.750 km/s
Angle between velocity vectors162°
Geographic position74.5°N, 88.2°W
Height778 km