| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 12669 | 40396 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:50 | 2024 Dec 22 23:59 |
| Time of closest approach (UTC) | 2024 Dec 26 22:18:36.508 |
| Minimum distance | 3.560 km |
| Height difference | -1.919 km |
| Relative speed | 14.207 km/s |
| Angle between velocity vectors | 146° |
| Geographic position | 81.3°S, 27.9°E |
| Height | 866 km |
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