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Location: Brown Observing Site
(43.4354°N, 116.3366°W)
Time: 15:36:41

Close Encounter Details

Primary satelliteSecondary satellite
NameEnvisatIRIDIUM 169
Spacetrack catalog number2738643926
Radar cross sectionlargelarge
Epoch of two-line elements (UTC)2020 Oct 21 23:482020 Oct 22 04:25
Time of closest approach (UTC)2020 Oct 03 22:36:54.659
Minimum distance4.571 km
Height difference-1.548 km
Relative speed11.774 km/s
Angle between velocity vectors104°
Geographic position81.7°S, 28.6°E
Height794 km