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Location: El Mouella
(16.4949°N, 9.1594°W)
Time: 14:47:07

Close Encounter Details

Primary satelliteSecondary satellite
NameCosmos 1666FLOCK 4P 4
Spacetrack catalog number1588944811
Radar cross sectionlargemedium
Epoch of two-line elements (UTC)2021 Jun 21 13:082021 Jun 21 10:30
Time of closest approach (UTC)2021 May 13 18:41:09.093
Minimum distance5.585 km
Height difference5.557 km
Relative speed15.230 km/s
Angle between velocity vectors180°
Geographic position76.4°N, 13.7°E
Height512 km