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Location: ????????
(55.4717°N, 39.1821°E)
Time: 10:25:54
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Close Encounter Details Home

Primary satelliteSecondary satellite
NameCosmos 2278 RocketDMSP 5D-3 F18 (USA 210)
Spacetrack catalog number2308835951
Radar cross sectionlargelarge
Epoch of two-line elements (UTC)2025 Dec 14 21:132025 Dec 14 22:02
Time of closest approach (UTC)2025 May 20 18:02:23.430
Minimum distance405.058 km
Height difference-5.065 km
Relative speed14.388 km/s
Angle between velocity vectors152°
Geographic position68.6°S, 115.9°E
Height867 km
 

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