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Location: �bnet
(46.9957°N, 8.4908°E)
Time: 16:01:40

Close Encounter Details

Primary satelliteSecondary satellite
NameCosmos 858 Rocketdeb Chang Zheng 4
Spacetrack catalog number944420853
Radar cross sectionlargemedium
Epoch of two-line elements (UTC)2021 Sep 23 19:452021 Sep 23 22:11
Time of closest approach (UTC)2021 Jul 28 11:53:00.879
Minimum distance19.988 km
Height difference3.647 km
Relative speed14.881 km/s
Angle between velocity vectors172°
Geographic position8.2°S, 73.6°W
Height778 km