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Location: Shepherdstown, WV
(39.4326°N, 77.8042°W)
Time: 11:38:09

Close Encounter Details

Primary satelliteSecondary satellite
NameExplorer 11/Cluster Stage 4FENGYUN 1C DEB
Spacetrack catalog number10729801
Radar cross sectionmediummedium
Epoch of two-line elements (UTC)2021 Sep 17 00:082021 Sep 17 02:35
Time of closest approach (UTC)2021 Aug 10 00:32:09.921
Minimum distance9.151 km
Height difference2.204 km
Relative speed10.963 km/s
Angle between velocity vectors93°
Geographic position28.1°S, 94.5°W
Height723 km