| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 33986 | 42266 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 11:32 | 2024 Dec 20 00:57 |
| Time of closest approach (UTC) | 2024 Dec 25 06:25:37.425 |
| Minimum distance | 2.561 km |
| Height difference | 1.727 km |
| Relative speed | 14.632 km/s |
| Angle between velocity vectors | 155° |
| Geographic position | 68.8°N, 178.5°E |
| Height | 755 km |
|