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Location: Banff
(51.1667°N, 115.5667°W)
Time: 02:21:21

Close Encounter Details

Primary satelliteSecondary satellite
NameExplorer 11/Cluster Stage 4deb Chang Zheng 4
Spacetrack catalog number10720847
Radar cross sectionmediumlarge
Epoch of two-line elements (UTC)2021 Sep 28 09:512021 Sep 28 06:51
Time of closest approach (UTC)2021 Aug 03 06:47:43.644
Minimum distance583.951 km
Height difference-28.018 km
Relative speed13.404 km/s
Angle between velocity vectors124°
Geographic position13.3°S, 166.4°E
Height640 km