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Location: Axtheid
(49.6213°N, 11.8205°E)
Time: 13:29:54

Close Encounter Details

Primary satelliteSecondary satellite
NameS3MCosmos 1771
Spacetrack catalog number1250816917
Radar cross sectionlargelarge
Epoch of two-line elements (UTC)2021 May 15 12:282021 May 15 04:01
Time of closest approach (UTC)2021 Apr 18 02:41:26.834
Minimum distance6.577 km
Height difference0.274 km
Relative speed2.313 km/s
Angle between velocity vectors18°
Geographic position6.9°S, 62.3°W
Height989 km