| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 35959 | 36074 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:36 | 2024 Dec 19 13:18 |
| Time of closest approach (UTC) | 2024 Dec 28 16:54:30.662 |
| Minimum distance | 4.896 km |
| Height difference | 1.482 km |
| Relative speed | 4.727 km/s |
| Angle between velocity vectors | 37° |
| Geographic position | 73.2°S, 169.0°E |
| Height | 814 km |
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