| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 34908 | 40566 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 Jan 31 06:36 | 2023 Jan 29 23:49 |
| Time of closest approach (UTC) | 2022 Dec 05 22:07:41.536 |
| Minimum distance | 746.894 km |
| Height difference | -40.315 km |
| Relative speed | 14.830 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 73.2°S, 83.3°E |
| Height | 815 km |
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