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Location: Dampvalley
(47.9094°N, 6.1967°E)
Time: 03:52:23
(UTC+00:00)
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Close Encounter Details

Primary satelliteSecondary satellite
NameCosmos 2221Helios 1A
Spacetrack catalog number2223623605
Radar cross sectionlarge
Epoch of two-line elements (UTC)2021 Jun 22 13:102021 Jun 12 23:45
Time of closest approach (UTC)2021 May 11 02:24:14.011
Minimum distance30.336 km
Height difference5.419 km
Relative speed11.514 km/s
Angle between velocity vectors99°
Geographic position79.9°S, 115.9°E
Height624 km
 

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