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Location: El Mouella
(16.4949°N, 9.1594°W)
Time: 21:41:58

Close Encounter Details

Primary satelliteSecondary satellite
NameCosmos 1666FLOCK 4P 8
Spacetrack catalog number1588944815
Radar cross sectionlargemedium
Epoch of two-line elements (UTC)2021 Jun 13 10:442021 Jun 12 16:22
Time of closest approach (UTC)2021 May 14 00:54:16.533
Minimum distance3.929 km
Height difference-1.790 km
Relative speed15.231 km/s
Angle between velocity vectors180°
Geographic position76.2°N, 164.9°E
Height515 km