| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 47073 | 40487 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 23:38 | 2024 Dec 20 06:01 |
| Time of closest approach (UTC) | 2024 Dec 26 17:45:45.444 |
| Minimum distance | 2.355 km |
| Height difference | -0.934 km |
| Relative speed | 11.958 km/s |
| Angle between velocity vectors | 107° |
| Geographic position | 73.5°S, 17.2°E |
| Height | 844 km |
|