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Location: Appleton
(44.2618°N, 88.4157°W)
Time: 18:02:45
(UTC+00:00)
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Close Encounter Details

Primary satelliteSecondary satellite
NameVanguard 1Safir 2
Spacetrack catalog number525399
Radar cross sectionmediummedium
Epoch of two-line elements (UTC)2021 Apr 12 11:382021 Apr 13 03:01
Time of closest approach (UTC)2021 Mar 03 21:56:21.399
Minimum distance7.232 km
Height difference-1.826 km
Relative speed13.672 km/s
Angle between velocity vectors124°
Geographic position24.9°N, 60.7°E
Height815 km
 

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