| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 35459 | 37533 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 16:06 | 2024 Dec 19 00:58 |
| Time of closest approach (UTC) | 2024 Dec 27 21:29:44.498 |
| Minimum distance | 1.809 km |
| Height difference | -1.226 km |
| Relative speed | 3.682 km/s |
| Angle between velocity vectors | 29° |
| Geographic position | 73.5°S, 45.7°W |
| Height | 804 km |
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