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

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 22:21:29.734
Minimum distance5.888 km
Height difference3.921 km
Relative speed14.748 km/s
Angle between velocity vectors162°
Geographic position74.6°N, 113.6°W
Height778 km