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Location: Casteau
(50.5142°N, 4.0161°E)
Time: 13:43:10

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 20 06:202021 Sep 21 02:02
Time of closest approach (UTC)2021 Aug 03 06:50:29.748
Minimum distance272.828 km
Height difference9.473 km
Relative speed13.440 km/s
Angle between velocity vectors124°
Geographic position16.5°S, 172.6°E
Height602 km