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Location: Nairn
(57.5833°N, 3.8667°W)
Time: 17:11:12
(UTC+00:00)
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Close Encounter Details

Primary satelliteSecondary satellite
NameUNKdeb Kosmos-990
Spacetrack catalog number2794018501
Radar cross sectionlargesmall
Epoch of two-line elements (UTC)2021 Sep 18 22:082021 Sep 18 09:51
Time of closest approach (UTC)2021 Jul 31 08:21:18.371
Minimum distance80.098 km
Height difference1.106 km
Relative speed3.231 km/s
Angle between velocity vectors25°
Geographic position13.6°N, 91.5°W
Height689 km
 

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