| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 47073 | 12741 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 23:38 | 2024 Dec 22 12:31 |
| Time of closest approach (UTC) | 2024 Dec 27 04:54:01.863 |
| Minimum distance | 4.449 km |
| Height difference | -4.327 km |
| Relative speed | 10.009 km/s |
| Angle between velocity vectors | 86° |
| Geographic position | 73.1°N, 32.8°E |
| Height | 949 km |
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