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Location: Champignolles
(47.0543°N, 4.5663°E)
Time: 12:03:52
(UTC+00:00)
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Close Encounter Details

Primary satelliteSecondary satellite
NameEnvisatCosmos 540
Spacetrack catalog number273866323
Radar cross sectionlargelarge
Epoch of two-line elements (UTC)2021 May 15 22:502021 May 15 19:44
Time of closest approach (UTC)2021 Apr 17 13:36:23.449
Minimum distance4.240 km
Height difference-3.020 km
Relative speed14.294 km/s
Angle between velocity vectors146°
Geographic position71.8°N, 29.1°E
Height778 km
 

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