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Location: Nairn
(57.5833°N, 3.8667°W)
Time: 13:35:50

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 17 00:082021 Sep 16 18:39
Time of closest approach (UTC)2021 Aug 03 06:49:38.199
Minimum distance108.877 km
Height difference-6.469 km
Relative speed13.416 km/s
Angle between velocity vectors123°
Geographic position15.1°S, 169.7°E
Height619 km