| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | deb Agena D |
| Spacetrack catalog number | 33994 | 5635 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 12:16 | 2024 Dec 22 10:45 |
| Time of closest approach (UTC) | 2024 Dec 26 00:10:39.382 |
| Minimum distance | 3.188 km |
| Height difference | -0.320 km |
| Relative speed | 12.396 km/s |
| Angle between velocity vectors | 112° |
| Geographic position | 56.6°N, 49.0°E |
| Height | 761 km |
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