| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 35671 | 34990 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 12:45 | 2024 Dec 18 22:11 |
| Time of closest approach (UTC) | 2024 Dec 28 22:15:26.192 |
| Minimum distance | 2.290 km |
| Height difference | 1.734 km |
| Relative speed | 14.249 km/s |
| Angle between velocity vectors | 145° |
| Geographic position | 25.5°N, 113.4°E |
| Height | 751 km |
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