| Primary satellite | Secondary satellite |
Name | ESTCUBE 1 | COSMOS 2251 DEB |
Spacetrack catalog number | 39161 | 38197 |
Radar cross section | small | small |
Epoch of two-line elements (UTC) | 2023 Jan 29 04:36 | 2023 Jan 28 03:21 |
Time of closest approach (UTC) | 2022 Dec 01 01:23:20.150 |
Minimum distance | 1301.919 km |
Height difference | -21.407 km |
Relative speed | 13.289 km/s |
Angle between velocity vectors | 123° |
Geographic position | 81.6°N, 111.5°W |
Height | 672 km |
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