| Primary satellite | Secondary satellite |
| Name | DMSP 5D-2 F13 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 40611 | 35789 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 00:04 | 2024 Dec 22 14:34 |
| Time of closest approach (UTC) | 2024 Dec 29 04:32:22.507 |
| Minimum distance | 3.614 km |
| Height difference | -0.830 km |
| Relative speed | 14.864 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 16.9°N, 147.2°W |
| Height | 799 km |
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