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Location: Chagrin Falls Park
(41.4139°N, 81.3865°W)
Time: 15:12:43

Close Encounter Details

Primary satelliteSecondary satellite
NameEnvisatIridium 16
Spacetrack catalog number2738624841
Radar cross sectionlargelarge
Epoch of two-line elements (UTC)2021 Oct 18 11:362021 Oct 18 09:32
Time of closest approach (UTC)2021 Sep 22 19:01:01.405
Minimum distance4.112 km
Height difference3.921 km
Relative speed14.752 km/s
Angle between velocity vectors162°
Geographic position74.4°N, 62.8°W
Height778 km