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Location: Chagrin Falls Park
(41.4139°N, 81.3865°W)
Time: 14:07:11

Close Encounter Details

Primary satelliteSecondary satellite
NameEnvisatIridium 16
Spacetrack catalog number2738624841
Radar cross sectionlargelarge
Epoch of two-line elements (UTC)2021 Oct 17 23:262021 Oct 17 20:10
Time of closest approach (UTC)2021 Sep 22 20:41:15.664
Minimum distance4.321 km
Height difference3.897 km
Relative speed14.750 km/s
Angle between velocity vectors162°
Geographic position74.5°N, 88.2°W
Height778 km