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Location: Ferchesar
(52.6477°N, 12.4298°E)
Time: 13:08:16
(UTC+02:00)
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Close Encounter Details

Primary satelliteSecondary satellite
NameEnvisatCosmos 990
Spacetrack catalog number2738610676
Radar cross sectionlargelarge
Epoch of two-line elements (UTC)2021 Oct 22 23:412021 Oct 22 16:54
Time of closest approach (UTC)2021 Sep 25 03:35:42.121
Minimum distance4.991 km
Height difference-4.903 km
Relative speed14.902 km/s
Angle between velocity vectors171°
Geographic position33.3°N, 166.3°W
Height770 km
 

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