| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 33986 | 40469 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 11:32 | 2024 Dec 22 14:12 |
| Time of closest approach (UTC) | 2024 Dec 28 18:50:25.499 |
| Minimum distance | 2.429 km |
| Height difference | -0.400 km |
| Relative speed | 14.939 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 19.0°S, 156.2°W |
| Height | 744 km |
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