| Primary satellite | Secondary satellite |
| Name | DMSP 5D-2 F13 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 40491 | 35448 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 13:22 | 2024 Dec 22 19:31 |
| Time of closest approach (UTC) | 2024 Dec 28 12:57:37.007 |
| Minimum distance | 4.466 km |
| Height difference | 1.377 km |
| Relative speed | 3.237 km/s |
| Angle between velocity vectors | 25° |
| Geographic position | 8.4°N, 103.8°E |
| Height | 724 km |
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