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Location: El Mouella
(16.4949°N, 9.1594°W)
Time: 18:42:10

Close Encounter Details

Primary satelliteSecondary satellite
NameCosmos 1666YAOGAN 21
Spacetrack catalog number1588940143
Radar cross sectionlargelarge
Epoch of two-line elements (UTC)2021 Jun 17 22:132021 Jun 18 03:58
Time of closest approach (UTC)2021 May 09 16:38:48.647
Minimum distance7.950 km
Height difference-2.303 km
Relative speed15.218 km/s
Angle between velocity vectors176°
Geographic position82.5°N, 0.1°W
Height516 km