| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | Geosat |
| Spacetrack catalog number | 35789 | 15595 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:34 | 2024 Dec 23 00:54 |
| Time of closest approach (UTC) | 2024 Dec 24 10:34:57.010 |
| Minimum distance | 4.075 km |
| Height difference | -1.416 km |
| Relative speed | 14.933 km/s |
| Angle between velocity vectors | 174° |
| Geographic position | 62.5°N, 107.4°E |
| Height | 774 km |
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