| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 35453 | 34554 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 19 15:23 | 2024 Dec 22 17:11 |
| Time of closest approach (UTC) | 2024 Dec 24 11:58:32.881 |
| Minimum distance | 0.641 km |
| Height difference | -0.627 km |
| Relative speed | 9.411 km/s |
| Angle between velocity vectors | 78° |
| Geographic position | 69.3°S, 93.1°W |
| Height | 797 km |
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